Diagnostic codes.

Rotors and pads worn or scored

Trouble area: Inspect, repair or replace — BR-17, 25, 33

↗ RM179U1_1991 · p1035 OEM manual

Dirty, greased, contaminated or glazed pads

Trouble area: Clean or replace — BR-17, 25, 33

↗ RM179U1_1991 · p1035 OEM manual

Improper pads using

Trouble area: Inspect for correct usage or replace — BR-17, 25, 33

↗ RM179U1_1991 · p1035 OEM manual

Mal-adjustment of brake pedal or booster push rod

Trouble area: Inspect and adjust — BR-5, 16

↗ RM179U1_1991 · p1035 OEM manual

Missing or damaged brake pad anti-squeal shim

Trouble area: Replace — BR-17, 25, 33

↗ RM179U1_1991 · p1035 OEM manual

Burred or rusted calipers

Trouble area: Clean or deburr — BR-17, 25, 33

↗ RM179U1_1991 · p1035 OEM manual

Low voltage of front right speed sensor signal

Trouble area: Front right speed sensor; Sensor installation

↗ RM179U1_1991 · p1095 OEM manual

Low voltage of front left speed sensor signal

Trouble area: Front left speed sensor; Sensor installation

↗ RM179U1_1991 · p1095 OEM manual

Low voltage of rear right speed sensor signal

Trouble area: Rear right speed sensor; Sensor installation

↗ RM179U1_1991 · p1095 OEM manual

Low voltage of rear left speed sensor signal

Trouble area: Rear left speed sensor; Sensor installation

↗ RM179U1_1991 · p1095 OEM manual

Abnormal change of front right speed sensor signal

Trouble area: Front right sensor rotor; Front sealed wire

↗ RM179U1_1991 · p1095 OEM manual

Abnormal change of front left speed sensor signal

Trouble area: Front left sensor rotor; Front sealed wire

↗ RM179U1_1991 · p1095 OEM manual

Abnormal change of rear right speed sensor signal

Trouble area: Rear right sensor rotor; Rear sealed wire

↗ RM179U1_1991 · p1095 OEM manual

Abnormal change of rear left speed sensor signal

Trouble area: Rear left sensor rotor; Rear sealed wire

↗ RM179U1_1991 · p1095 OEM manual

All speed sensors and sensor rotors are normal

↗ RM179U1_1991 · p1095 OEM manual

Tires improperly inflated

Trouble area: Inflate tires to proper pressure — SA-3

↗ RM179U1_1991 · p1108 OEM manual

Insufficient lubricant

Trouble area: Lubricate suspension and steering linkage

↗ RM179U1_1991 · p1108 OEM manual

Excessive caster

Trouble area: Check front wheel alignment — SA-4

↗ RM179U1_1991 · p1108 OEM manual

Steering system joint worn

Trouble area: Replace steering system joints — SR-15, 35

↗ RM179U1_1991 · p1108 OEM manual

Lower arm ball joints worn

Trouble area: Replace lower arm ball joints — SA-24

↗ RM179U1_1991 · p1108 OEM manual

Steering column binding

Trouble area: Inspect steering column — SR-4

↗ RM179U1_1991 · p1108 OEM manual

Steering gear out of adjustment or broken

Trouble area: Adjust or repair steering gear — SR-15, 35

↗ RM179U1_1991 · p1108 OEM manual

Fluid level in reservoir low

Trouble area: Check reservoir — SR-30

↗ RM179U1_1991 · p1108 OEM manual

Power steering unit faulty

Trouble area: Check power steering unit — SR-30

↗ RM179U1_1991 · p1108 OEM manual

Tires improperly inflated

Trouble area: Inflate tires to proper pressure — SA-3

↗ RM179U1_1991 · p1108 OEM manual

Insufficient lubricant

Trouble area: Lubricate suspension and steering linkage

↗ RM179U1_1991 · p1108 OEM manual

Wheel alignment incorrect

Trouble area: Check front wheel alignment — SA-4

↗ RM179U1_1991 · p1108 OEM manual

Steering column binding

Trouble area: Inspect steering column — SR-4

↗ RM179U1_1991 · p1108 OEM manual

Steering gear out of adjustment or broken

Trouble area: Adjust or repair steering gear — SR-15, 35

↗ RM179U1_1991 · p1108 OEM manual

Front wheel bearing worn

Trouble area: Replace front wheel bearing — SA-9

↗ RM179U1_1991 · p1108 OEM manual

Main shaft yoke or intermediate shaft yoke worn

Trouble area: Replace main shaft or intermediate shaft — SR-4

↗ RM179U1_1991 · p1108 OEM manual

Lower arm ball joints worn

Trouble area: Replace lower arm ball joints — SA-24

↗ RM179U1_1991 · p1108 OEM manual

Steering system joints worn

Trouble area: Replace steering system joint — SR-15, 35

↗ RM179U1_1991 · p1108 OEM manual

Steering gear out of adjustment or broken

Trouble area: Adjust or repair steering gear — SR-15, 35

↗ RM179U1_1991 · p1108 OEM manual

Steering linkage loose

Trouble area: Tighten steering linkage

↗ RM179U1_1991 · p1108 OEM manual

Steering system joints worn

Trouble area: Replace steering system joints — SR-15, 35

↗ RM179U1_1991 · p1108 OEM manual

Steering gear out of adjustment or broken

Trouble area: Adjust or repair steering gear — SR-15, 35

↗ RM179U1_1991 · p1108 OEM manual

System normal

Trouble area: -

↗ RM179U1_1991 · p1197 OEM manual

Source voltage drop

Trouble area: Battery; Center airbag sensor assembly

↗ RM179U1_1991 · p1197 OEM manual

Short in squib circuit or front airbag sensor circuit (to ground)

Trouble area: Steering wheel pad (squib); Front airbag sensor; Spiral cable; Center airbag sensor assembly; Wire harness

↗ RM179U1_1991 · p1197 OEM manual

Short in squib circuit or front airbag sensor circuit (to +B)

Trouble area: Steering wheel pad (squib); Front airbag sensor; Spiral cable; Center airbag sensor assembly; Wire harness

↗ RM179U1_1991 · p1197 OEM manual

Short in squib circuit (between D+ wire harness and D- wire harness)

Trouble area: Steering wheel pad (squib); Spiral cable; Center airbag sensor assembly; Wire harness

↗ RM179U1_1991 · p1197 OEM manual

Open in squib circuit

Trouble area: Steering wheel pad (squib); Spiral cable; Center airbag sensor assembly; Wire harness

↗ RM179U1_1991 · p1197 OEM manual

Open in front airbag sensor circuit

Trouble area: Front airbag sensor; Center airbag sensor assembly; Wire harness

↗ RM179U1_1991 · p1197 OEM manual

Airbag warning light system malfunction

Trouble area: Airbag warning light; Center airbag sensor assembly; Wire harness

↗ RM179U1_1991 · p1197 OEM manual

Center airbag sensor assembly malfunction

Trouble area: Center airbag sensor assembly

↗ RM179U1_1991 · p1197 OEM manual

Malfunction stored in memory

Trouble area: (Center airbag sensor assembly)

↗ RM179U1_1991 · p1197 OEM manual

Source voltage drop

Trouble area: AB-35

↗ RM179U1_1991 · p1201 OEM manual

Short in squib circuit or front airbag sensor circuit (to ground)

Trouble area: AB-37

↗ RM179U1_1991 · p1201 OEM manual

Short in squib circuit or front airbag sensor circuit (to +B)

Trouble area: AB-43

↗ RM179U1_1991 · p1201 OEM manual

Short in squib circuit (between D+ wire harness and D- wire harness)

Trouble area: AB-48

↗ RM179U1_1991 · p1201 OEM manual

Open in squib circuit

Trouble area: AB-55

↗ RM179U1_1991 · p1201 OEM manual

Open in front airbag sensor circuit

Trouble area: AB-60

↗ RM179U1_1991 · p1201 OEM manual

Airbag warning light system malfunction

Trouble area: AB-65

↗ RM179U1_1991 · p1201 OEM manual

Center airbag sensor assembly malfunction

Trouble area: AB-71

↗ RM179U1_1991 · p1201 OEM manual

Malfunction stored in memory

Trouble area: AB-73

↗ RM179U1_1991 · p1201 OEM manual

Short in Squib Circuit or Front Airbag Sensor Circuit (to Ground)

Trouble area: Short circuit in squib wire harness (to ground); Squib malfunction; Short circuit in front airbag sensor +S wire harness (to ground); Front airbag sensor malfunction; Short circuit between +S wire harness and -S wire harness of front airbag sensor; Spiral cable malfunction; Center airbag sensor assembly malfunction

↗ RM179U1_1991 · p1204 OEM manual

Squib circuit fault (center airbag sensor assembly)

Trouble area: Center airbag sensor assembly / squib circuit

↗ RM179U1_1991 · p1213 OEM manual

Steering wheel pad squib circuit malfunction

Trouble area: Center airbag sensor assembly or steering wheel pad (squib)

↗ RM179U1_1991 · p1226 OEM manual

Airbag Warning Light System Malfunction

Trouble area: Open circuit in airbag warning light system; Center airbag sensor assembly malfunction

↗ RM179U1_1991 · p1232 OEM manual

Airbag warning light turns off after disconnecting center airbag sensor assembly connector.

Trouble area: Replace center airbag sensor assembly.

↗ RM179U1_1991 · p1243 OEM manual

Airbag warning light does not turn off after disconnecting center airbag sensor assembly connector.

Trouble area: Check airbag warning light circuit or terminal AB circuit of check connector.

↗ RM179U1_1991 · p1243 OEM manual

WIPER fuse blown — Replace fuse and check for short (BE-3); Wiper motor faulty — Check motor (BE-46); Wiper switch faulty — Check switch (BE-45); Wiper or ground faulty — Repair as necessary

Trouble area: Wiper fuse, wiper motor, wiper switch, wiring/ground

↗ RM179U1_1991 · p1300 OEM manual

Wiper switch faulty — Check switch (BE-45); Wiper motor faulty — Check motor (BE-46); Wiring or ground faulty — Repair as necessary

Trouble area: Wiper switch, wiper motor, wiring/ground

↗ RM179U1_1991 · p1300 OEM manual

Washer hose or nozzle clogged — Repair as necessary; Washer motor faulty — Replace motor (BE-47); Wiper switch faulty — Check switch (BE-45); Wiring faulty — Repair as necessary

Trouble area: Washer hose/nozzle, washer motor, wiper switch, wiring

↗ RM179U1_1991 · p1300 OEM manual

Pressure too high at low pressure side, pressure too low at high pressure side — Does not cool

Trouble area: Insufficient compression — Repair or replace compressor

↗ RM179U1_1991 · p1509 OEM manual

Bubbles present in sight glass — Insufficient refrigerant

Trouble area: Check for gas leakage with gas leak tester

↗ RM179U1_1991 · p1509 OEM manual

No bubbles present in sight glass — None, sufficient or too much refrigerant

Trouble area: Refer to items 3 and 4

↗ RM179U1_1991 · p1509 OEM manual

No temperature difference between compressor inlet and outlet — Empty or nearly empty

Trouble area: Evacuate and charge system. Then check for gas leakage with gas leak tester

↗ RM179U1_1991 · p1509 OEM manual

Temperature between compressor inlet and outlet is noticeably different — Proper or too much refrigerant

Trouble area: Refer to items 5 and 6

↗ RM179U1_1991 · p1509 OEM manual

Immediately after air conditioner is turned off, refrigerant in sight glass stays clear — Too much refrigerant

Trouble area: Discharge excess refrigerant to specified amount

↗ RM179U1_1991 · p1509 OEM manual

When air conditioner is turned off, refrigerant foams and then stays clear — Proper refrigerant amount

Trouble area: Refer to items 3 and 4

↗ RM179U1_1991 · p1509 OEM manual

HC from tank is absorbed into the canister. Throttle valve position: —, Canister Check Valve (1): —, (2): —, (3): —, Check valve in Cap: —

Trouble area: Fuel Evaporative Emission Control System

↗ RM179U1_1991 · p290 OEM manual

HC from tank is absorbed into the canister. Canister Check Valve (1): CLOSED, (2): —, (3): —, Check valve in Cap: —

Trouble area: Fuel Evaporative Emission Control System

↗ RM179U1_1991 · p290 OEM manual

HC from canister is led into air intake chamber. Canister Check Valve (1): OPEN, (2): —, (3): —, Check valve in Cap: —

Trouble area: Fuel Evaporative Emission Control System

↗ RM179U1_1991 · p290 OEM manual

HC from tank is absorbed into the canister. Canister Check Valve (1): —, (2): OPEN, (3): CLOSED, Check valve in Cap: CLOSED

Trouble area: Fuel Evaporative Emission Control System

↗ RM179U1_1991 · p290 OEM manual

Air is led into the fuel tank. Canister Check Valve (1): —, (2): CLOSED, (3): OPEN, Check valve in Cap: OPEN

Trouble area: Fuel Evaporative Emission Control System

↗ RM179U1_1991 · p290 OEM manual

HC from tank is absorbed into the canister. Canister check valves (1)(2)(3) and check valve in cap are all inactive (–).

Trouble area: Fuel Evaporative Emission Control System

↗ RM179U1_1991 · p306 OEM manual

HC from tank is absorbed into the canister. Canister check valve (1) CLOSED.

Trouble area: Fuel Evaporative Emission Control System

↗ RM179U1_1991 · p306 OEM manual

HC from canister is led into air intake canister. Canister check valve (1) OPEN.

Trouble area: Fuel Evaporative Emission Control System

↗ RM179U1_1991 · p306 OEM manual

HC from tank is absorbed into the canister. Canister check valve (2) OPEN, (3) CLOSED, check valve in cap CLOSED.

Trouble area: Fuel Evaporative Emission Control System

↗ RM179U1_1991 · p306 OEM manual

Air is led into the fuel tank. Canister check valve (2) CLOSED, (3) OPEN, check valve in cap OPEN.

Trouble area: Fuel Evaporative Emission Control System

↗ RM179U1_1991 · p306 OEM manual

Throttle below E port with pressure present in EGR valve pressure chamber; EGR valve closed, exhaust not recirculated.

Trouble area: EGR valve pressure chamber — diagram reference EC3611

↗ RM179U1_1991 · p309 OEM manual

Throttle between E and R ports; HIGH pressure in EGR valve pressure chamber; EGR vacuum modulator closes atmosphere passage; EGR valve OPEN; exhaust recirculated.

Trouble area: EGR valve pressure chamber — diagram reference EC3612

↗ RM179U1_1991 · p309 OEM manual

Throttle above R port; HIGH pressure in EGR valve pressure chamber; EGR vacuum modulator closes atmosphere passage; EGR valve OPEN; exhaust recirculated (increase).

Trouble area: EGR valve pressure chamber — diagram reference EC3613

↗ RM179U1_1991 · p309 OEM manual

This appears when none of the other codes are identified.

Trouble area: -

↗ RM179U1_1991 · p345 OEM manual

RPM Signal — No NE or G signal to ECU within 2 seconds after engine has been cranked.

Trouble area: Distributor circuit, Distributor, Starter signal circuit, ECU

↗ RM179U1_1991 · p345 OEM manual

PRM Signal — No NE signal to ECU when engine speed is above 1,000 rpm.

Trouble area: Distributor ignition coil, Distributor, ECU

↗ RM179U1_1991 · p345 OEM manual

Ignition Signal — No IGF signal to ECU 8-11 times in succession.

Trouble area: Igniter and ignition coil circuit, Igniter and ignition coil, ECU

↗ RM179U1_1991 · p345 OEM manual

Oxygen Sensor Signal — During air-fuel ratio feedback correction, voltage output from the oxygen sensor does not exceed a set value on the lean side and the rich side continuously for a certain period.

Trouble area: Oxygen sensor circuit, Oxygen sensor, ECU

↗ RM179U1_1991 · p345 OEM manual

Oxygen Sensor Heater Circuit — Open or short circuit in oxygen sensor heater.

Trouble area: Oxygen sensor heater circuit, Oxygen sensor heater, ECU

↗ RM179U1_1991 · p345 OEM manual

Water Temp. Sensor Signal — Open or short circuit in water temp. sensor signal (THW).

Trouble area: Water temp. sensor circuit, Water temp. sensor, ECU

↗ RM179U1_1991 · p345 OEM manual

Intake Air Temp. Sensor Signal — Open or short circuit in intake air temp. sensor signal (THA).

Trouble area: Intake air temp. sensor circuit, Intake air temp. sensor, ECU

↗ RM179U1_1991 · p345 OEM manual

Air-fuel Ratio Lean Malfunction — When air-fuel ratio feedback correction valve or adaptive control value continued at the upper (lean) or lower (rich) limit renewed for a certain period of time. When air-fuel ratio feedback correction value or adaptive control value feedback frequency is abnormally high during feedback condition. Open or short circuit in oxygen sensor signal.

Trouble area: Injector circuit, Injector, Oxygen sensor circuit, ECU, Fuel line pressure, Air flow meter, Air intake system, Ignition system

↗ RM179U1_1991 · p345 OEM manual

Air-fuel Ratio Rich Malfunction — When air-fuel ratio feedback correction valve or adaptive control value continued at the upper (lean) or lower (rich) limit renewed for a certain period of time. When air-fuel ratio feedback correction value or adaptive control value feedback frequency is abnormally high during feedback condition. Open or short circuit in oxygen sensor signal.

Trouble area: Injector circuit, Injector, Fuel line pressure, Cold start injector, Air flow meter, ECU

↗ RM179U1_1991 · p345 OEM manual

Air-flow Meter Signal — Open circuit in VC signal or short circuit between VC and E2 when idle contacts are closed.

Trouble area: Air flow meter circuit, Air flow meter, ECU

↗ RM179U1_1991 · p345 OEM manual

Air-flow Meter Signal — Open circuit in E2 or short circuit between VC and VS.

Trouble area: Air flow meter circuit, Air flow meter, ECU

↗ RM179U1_1991 · p345 OEM manual

Clean radiator or condenser

Trouble area: Radiator or condenser — page CO-16

↗ RM179U1_1991 · p503 OEM manual

Repair as necessary

Trouble area: Cooling system leakage

↗ RM179U1_1991 · p503 OEM manual

Check thermostat

Trouble area: Thermostat — page CO-14

↗ RM179U1_1991 · p503 OEM manual

Reset timing

Trouble area: Ignition timing — page IG-17, 22

↗ RM179U1_1991 · p503 OEM manual

Inspect electric cooling system

Trouble area: Electric cooling system — page CO-22, 33

↗ RM179U1_1991 · p503 OEM manual

Replace hose

Trouble area: Radiator hose

↗ RM179U1_1991 · p503 OEM manual

Replace water pump

Trouble area: Water pump — page CO-10

↗ RM179U1_1991 · p503 OEM manual

Check radiator and cap

Trouble area: Radiator and cap — page CO-16

↗ RM179U1_1991 · p503 OEM manual

Repair as necessary

Trouble area: Cylinder head or block

↗ RM179U1_1991 · p503 OEM manual

Cylinder head, cylinder block or oil pump body damaged or cracked

Trouble area: Repair as necessary

↗ RM179U1_1991 · p540 OEM manual

Oil seal faulty

Trouble area: Replace oil seal — EM-160, 161, LU-10

↗ RM179U1_1991 · p540 OEM manual

Gasket faulty

Trouble area: Replace gasket

↗ RM179U1_1991 · p540 OEM manual

Oil leakage

Trouble area: Repair as necessary

↗ RM179U1_1991 · p540 OEM manual

Relief valve faulty

Trouble area: Repair relief valve — LU-10

↗ RM179U1_1991 · p540 OEM manual

Oil pump faulty

Trouble area: Repair oil pump — LU-10

↗ RM179U1_1991 · p540 OEM manual

Engine oil poor quality

Trouble area: Replace engine oil — LU-7

↗ RM179U1_1991 · p540 OEM manual

Crankshaft bearing faulty

Trouble area: Replace bearing — EM-134, 182

↗ RM179U1_1991 · p540 OEM manual

Connecting rod bearing faulty

Trouble area: Replace bearing — EM-134, 182

↗ RM179U1_1991 · p540 OEM manual

Oil filler clogged

Trouble area: Replace oil filler — LU-7

↗ RM179U1_1991 · p540 OEM manual

Relief valve faulty

Trouble area: Repair relief valve — LU-10

↗ RM179U1_1991 · p540 OEM manual

Battery charge low

Trouble area: Check battery specific gravity; Check or replace battery (CH-3)

↗ RM179U1_1991 · p585 OEM manual

Battery cables loose, corroded or worn

Trouble area: Repair or replace cables

↗ RM179U1_1991 · p585 OEM manual

Clutch start switch faulty (M/T)

Trouble area: Adjust or replace clutch start switch (CL-5)

↗ RM179U1_1991 · p585 OEM manual

Neutral start switch faulty (A/T)

Trouble area: Adjust or repair switch

↗ RM179U1_1991 · p585 OEM manual

Starter relay faulty (M/T)

Trouble area: Replace starter relay

↗ RM179U1_1991 · p585 OEM manual

Fusible link blown

Trouble area: Replace fusible link

↗ RM179U1_1991 · p585 OEM manual

Starter faulty

Trouble area: Repair starter (ST-6)

↗ RM179U1_1991 · p585 OEM manual

Ignition switch faulty

Trouble area: Replace ignition switch

↗ RM179U1_1991 · p585 OEM manual

Battery charge low

Trouble area: Check battery specific gravity; Charge or replace battery (CH-3)

↗ RM179U1_1991 · p585 OEM manual

Battery cables loose, corroded or worn

Trouble area: Repair or replace cables

↗ RM179U1_1991 · p585 OEM manual

Starter faulty

Trouble area: Repair starter (ST-6)

↗ RM179U1_1991 · p585 OEM manual

Starter faulty

Trouble area: Repair starter (ST-6)

↗ RM179U1_1991 · p585 OEM manual

Ignition switch faulty

Trouble area: Replace ignition switch

↗ RM179U1_1991 · p585 OEM manual

Short in wiring

Trouble area: Repair wiring

↗ RM179U1_1991 · p585 OEM manual

Pinion gear teeth broken or starter faulty

Trouble area: Repair starter (ST-6)

↗ RM179U1_1991 · p585 OEM manual

Flywheel teeth broken

Trouble area: Replace flywheel

↗ RM179U1_1991 · p585 OEM manual

Electronic control faulty

Trouble area: Inspect electronic control — AT-20

↗ RM179U1_1991 · p790 OEM manual

Valve body faulty

Trouble area: Inspect valve body — AT-112

↗ RM179U1_1991 · p790 OEM manual

Solenoid valve faulty

Trouble area: Inspect solenoid valve — AT-28

↗ RM179U1_1991 · p790 OEM manual

Transaxle faulty

Trouble area: Disassemble and inspect transaxle — AT-44

↗ RM179U1_1991 · p790 OEM manual

Throttle cable out of adjustment

Trouble area: Adjust throttle cable — AT-13

↗ RM179U1_1991 · p790 OEM manual

Throttle cable and cam faulty

Trouble area: Inspect throttle cable and cam — AT-50

↗ RM179U1_1991 · p790 OEM manual

Accumulator pistons faulty

Trouble area: Inspect accumulator pistons — AT-156

↗ RM179U1_1991 · p790 OEM manual

Valve body faulty

Trouble area: Inspect valve body — AT-112

↗ RM179U1_1991 · p790 OEM manual

Transaxle faulty

Trouble area: Disassemble and inspect transaxle — AT-44

↗ RM179U1_1991 · p790 OEM manual

Valve body faulty

Trouble area: Inspect valve body — AT-112

↗ RM179U1_1991 · p790 OEM manual

Solenoid valve faulty

Trouble area: Inspect solenoid valve — AT-28

↗ RM179U1_1991 · p790 OEM manual

Electronic control faulty

Trouble area: Inspect electronic control — AT-20

↗ RM179U1_1991 · p790 OEM manual

Throttle cable faulty

Trouble area: Inspect throttle cable — AT-12

↗ RM179U1_1991 · p790 OEM manual

Valve body faulty

Trouble area: Inspect valve body — AT-112

↗ RM179U1_1991 · p790 OEM manual

Transaxle faulty

Trouble area: Disassemble and inspect transaxle — AT-44

↗ RM179U1_1991 · p790 OEM manual

Solenoid valve faulty

Trouble area: Inspect solenoid valve — AT-28

↗ RM179U1_1991 · p790 OEM manual

Electronic control faulty

Trouble area: Inspect electronic control — AT-20

↗ RM179U1_1991 · p790 OEM manual

Solenoid valve faulty

Trouble area: Inspect solenoid valve — AT-28

↗ RM179U1_1991 · p790 OEM manual

Electronic control faulty

Trouble area: Inspect electronic control — AT-20

↗ RM179U1_1991 · p790 OEM manual

Valve body faulty

Trouble area: Inspect valve body — AT-112

↗ RM179U1_1991 · p790 OEM manual

Throttle cable out of adjustment

Trouble area: Adjust throttle cable — AT-12

↗ RM179U1_1991 · p790 OEM manual

Solenoid valve faulty

Trouble area: Inspect solenoid valve — AT-28

↗ RM179U1_1991 · p790 OEM manual

Electronic control faulty

Trouble area: Inspect electronic control — AT-20

↗ RM179U1_1991 · p790 OEM manual

Valve body faulty

Trouble area: Inspect valve body — AT-112

↗ RM179U1_1991 · p790 OEM manual

Transaxle faulty

Trouble area: Disassemble and inspect transaxle — AT-44

↗ RM179U1_1991 · p790 OEM manual

Shift cable out of adjustment

Trouble area: Adjust shift cable — AT-13

↗ RM179U1_1991 · p790 OEM manual

Parking lock pawl and spring faulty

Trouble area: Inspect cam and spring — AT-66

↗ RM179U1_1991 · p790 OEM manual

No. 1 speed sensor circuitry malfunction

Trouble area: Engine and ECT ECU connector SPD terminal continuity, No. 1 speed sensor, wiring between ECU and combination meter

↗ RM179U1_1991 · p796 OEM manual

No. 2 speed sensor circuitry malfunction

Trouble area: Engine and ECT ECU connector SP2 terminal continuity, No. 2 speed sensor, wiring between ECU and No. 2 speed sensor

↗ RM179U1_1991 · p796 OEM manual

Speed sensor circuitry malfunction (triggers overdrive OFF indicator blink)

Trouble area: Speed sensor circuit

↗ RM179U1_1991 · p796 OEM manual

Speed sensor circuitry malfunction (triggers overdrive OFF indicator blink)

Trouble area: Speed sensor circuit

↗ RM179U1_1991 · p796 OEM manual

Malfunction with no overdrive OFF indicator warning

Trouble area: No warning issued; code retained in ECU memory

↗ RM179U1_1991 · p796 OEM manual

Rough idle

Trouble area: 1. Faulty ignitions: Incorrect timing; Fouled, shorted or improperly gapped plugs; Open or crossed high-tension cords; Cracked distributor cap. 2. Incorrect valve clearance. 3. Leaky EGR valve. 4. Leaky intake and exhaust valves. 5. Leaky cylinder.

↗ RM285U_1993_3sgte_engineme · p127 OEM manual

Rough idle (Fluctuating HC reading)

Trouble area: 1. Vacuum leaks: PCV hose; EGR valve; Intake manifold; T-VIS valve; Throttle body; IACV; Brake booster line. 2. Lean mixture causing misfire.

↗ RM285U_1993_3sgte_engineme · p127 OEM manual

Rough idle (Black smoke from exhaust)

Trouble area: 1. Restricted air filter. 2. Faulty SMPI systems: Faulty pressure regulator; Clogged fuel return line; Defective ECTS; Defective MAP; Faulty PCME; Faulty injector; Faulty cold start injector; Faulty throttle position sensor; Faulty air flow sensor.

↗ RM285U_1993_3sgte_engineme · p127 OEM manual

Engine does not crank

Trouble area: No numbered suspect areas listed

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

Starter runs but engine does not crank

Trouble area: No numbered suspect areas listed

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

No initial combustion

Trouble area: RPM Signal Circuit (13), Ignition Circuit (3), Air Flow Sensor Circuit (6), Fuel Pump and Relay (7), Cold Start Injector System (14), IACV (9), MPI Main Relay (4)

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

No complete combustion

Trouble area: ECTS Circuit (5), Air Flow Sensor Circuit (2), Fuel Lines (4), Injectors (10), Cold Start Injector System (11), MPI Main Relay (3)

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

Engine cranks slowly

Trouble area: A/C Signal Circuit (2)

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

Difficult to start normally

Trouble area: RPM Signal Circuit (13), Ignition Circuit (14), ECTS Circuit (5), Intake Air Temp. Sensor Circuit (15), Fuel Pump and Relay (8), Fuel Pressure Regulator (7), Fuel Lines (9), Injectors (18), Cold Start Injector System (19), IACV (4)

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

Difficult to start in cold

Trouble area: ECTS Circuit (1), Intake Air Temp. Sensor Circuit (7), Throttle Position Sensor Circuit (2), Fuel Pump and Relay (9), Fuel Pressure Regulator (8), Fuel Lines (10), Injectors (11), Cold Start Injector System (6), IACV (5)

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

Difficult to start in hot

Trouble area: ECTS Circuit (1), Intake Air Temp. Sensor Circuit (5), Fuel Pump and Relay (8), Fuel Pressure Regulator (7), Fuel Lines (9), Injectors (10), Cold Start Injector System (6), IACV (4)

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

Incorrect first idle

Trouble area: ECTS Circuit (2), MPI Main Relay (3)

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

High engine idle speed

Trouble area: ECTS Circuit (2), Intake Air Temp. Sensor Circuit (4), Air Flow Sensor Circuit (5), Knock Sensor Circuit (6), Injectors (7), IACV (8), MPI Main Relay (3)

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

Low engine idle speed

Trouble area: ECTS Circuit (1), Intake Air Temp. Sensor Circuit (4), Injectors (5), MPI Main Relay (2)

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

Rough idling

Trouble area: Ignition Circuit (20), ECTS Circuit (3), Air Flow Sensor Circuit (14), Fuel Pump and Relay (9), Fuel Pressure Regulator (8), Fuel Lines (10), Injectors (18), Cold Start Injector System (19), IACV (11)

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

Misfire

Trouble area: Ignition Circuit (5), ECTS Circuit (8), Air Flow Sensor Circuit (10), Injectors (11), Cold Start Injector System (12)

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

Hesitation / Poor acceleration

Trouble area: Oxygen Sensor Circuit (14), ECTS Circuit (12), Intake Air Temp. Sensor Circuit (13), Air Flow Sensor Circuit (11), Throttle Position Sensor Circuit (10), Fuel Pump and Relay (16), Fuel Pressure Regulator (15), Fuel Lines (17), Injectors (20), Cold Start Injector System (21)

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

Backfire

Trouble area: Oxygen Sensor Circuit (7), ECTS Circuit (4), Intake Air Temp. Sensor Circuit (8), Air Flow Sensor Circuit (6), Throttle Position Sensor Circuit (5), Fuel Pump and Relay (10), Fuel Pressure Regulator (9), Fuel Lines (11), Injectors (12)

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

Muffler explosion (after fire)

Trouble area: Oxygen Sensor Circuit (8), ECTS Circuit (3), Intake Air Temp. Sensor Circuit (7), Air Flow Sensor Circuit (5), Throttle Position Sensor Circuit (6), Fuel Pressure Regulator (4), Injectors (9), Cold Start Injector System (10)

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

Surging

Trouble area: Fuel Pressure Regulator (2), Injectors (6)

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

Knocking

Trouble area: Knock Sensor Circuit (1)

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

Engine stall soon after starting

Trouble area: ECTS Circuit (9), Air Flow Sensor Circuit (8), Fuel Pump and Relay (4), Fuel Pressure Regulator (3), Fuel Lines (5), Injectors (10), Cold Start Injector System (11), IACV (7)

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

After acceleration pedal depressed

Trouble area: Air Flow Sensor Circuit (1), Throttle Position Sensor Circuit (3), Fuel Pressure Regulator (5), Fuel Lines (6), Injectors (7)

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

After acceleration pedal released

Trouble area: Air Flow Sensor Circuit (3), IACV (1)

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

During A/C operation

Trouble area: A/C Signal Circuit (1), IACV (2)

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

Poor fuel economy

Trouble area: Oxygen Sensor Circuit (20), ECTS Circuit (16), Intake Air Temp. Sensor Circuit (21), Air Flow Sensor Circuit (18), Throttle Position Sensor Circuit (17), A/C Signal Circuit (19), Injectors (14), Cold Start Injector System (15)

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

Engine overheat

Trouble area: Throttle Position Sensor Circuit (9)

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

Engine overcool

Trouble area: No numbered suspect areas listed

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

Excessive oil consumption

Trouble area: No numbered suspect areas listed

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

Low oil pressure

Trouble area: No numbered suspect areas listed

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

High oil pressure

Trouble area: No numbered suspect areas listed

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

Starter keeps running

Trouble area: No numbered suspect areas listed

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

Battery often discharge

Trouble area: No numbered suspect areas listed

↗ RM285U_1993_3sgte_engineme · p177 OEM manual

Engine does not crank

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

Starter runs – engine does not crank

Trouble area: Flywheel (2)

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

No initial combustion

Trouble area: Valve Timing (11), Timing Belt (12)

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

No complete combustion

Trouble area: Valve Timing (8), Timing Belt (9), Piston Ring (7)

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

Engine cranks slowly

Trouble area: Connecting Rod Bearing (3), Crankshaft Bearing (4)

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

Difficult to start normally

Trouble area: Valve Timing (12), Piston Ring (11)

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

Difficult to start in cold

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

Difficult to start in hot

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

Incorrect first idle

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

High engine idle speed

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

Low engine idle speed

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

Rough idling

Trouble area: Valve Timing (16), Timing Belt (17), Piston Ring (22), Flywheel (13)

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

Misfire

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

Hesitation / Poor acceleration

Trouble area: Valve Timing (19)

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

Backfire

Trouble area: Valve Timing (3)

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

Muffler explosion (after fire)

Trouble area: Valve Timing (2)

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

Surging

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

Knocking

Trouble area: Valve Timing (5), Water Pump (9), Radiator and Radiator Cap (6), Thermostat (8)

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

Engine stall soon after starting

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

Engine stall after acceleration pedal depressed

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

Engine stall after acceleration pedal released

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

Engine stall during A/C operation

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

Poor fuel economy

Trouble area: Valve Timing (13), Piston Ring (12)

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

Engine overheat

Trouble area: Valve Timing (7), Timing Belt (5), Water Pump (6), Oil Pump (10), Cylinder Head (11), Radiator and Radiator Cap (3), Thermostat (4), Engine Coolant and Sender Gauge (13), Cylinder Block (12)

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

Engine overcool

Trouble area: Thermostat (2), Engine Coolant and Sender Gauge (3)

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

Excessive oil consumption

Trouble area: Valve Stem Guide Bushing (3), Crankshaft Bearing (6), Piston Ring (5), Cylinder Block (7)

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

Low oil pressure

Trouble area: Oil Pump (2), Connecting Rod Bearing (3), Crankshaft Bearing (4), Alternator (5)

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

High oil pressure

Trouble area: Oil Pump (1), Alternator (2)

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

Starter keeps running

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

Battery often discharge

Trouble area: Drive Belt (1), Alternator (2)

↗ RM285U_1993_3sgte_engineme · p178 OEM manual

(1) No NE signal is input to PCME (PCME & T) for 2 secs. or more after STA turns ON. (2) No G signal is input to PCME (PCME & T) for 3 secs. or more between 600-4,000 rpm.

Trouble area: Open or short in NE, G circuit; Distributor; Open or short in STA circuit; PCME (PCME & T)

↗ RM285U_1993_5sfe_mpisyste · p14 OEM manual

(1) NE signal is not input to PCME (PCME & T) for 0.3 secs. or more when engine speed is 1,500 rpm or more. (2) No G signal is input to PCME (PCME & T) for 4 NE signal. (Test mode only)

Trouble area: Open or short in NE circuit; Distributor; PCME (PCME & T)

↗ RM285U_1993_5sfe_mpisyste · p14 OEM manual

IG signal from igniter is not input to PCME (PCME & T) for 4-5 consecutive ignition.

Trouble area: Open or short in IGF or IGT circuit from igniter to PCME (PCME & T); Igniter; PCME (PCME & T)

↗ RM285U_1993_5sfe_mpisyste · p14 OEM manual

Normal signal is not output from PCME & T.

Trouble area: PCME & T

↗ RM285U_1993_5sfe_mpisyste · p14 OEM manual

At normal driving speed (below 60 mph and engine speed is above 1,500 rpm), amplitude of oxygen sensor signal (OX) is reduced to between 0.35-0.70 V continuously for 60 secs. or more.

Trouble area: Open or short in oxygen sensor circuit; Oxygen sensor; PCME (PCME & T)

↗ RM285U_1993_5sfe_mpisyste · p14 OEM manual

Open or short in engine coolant temp. sensor circuit for 0.5 sec. or more. (THW)

Trouble area: Open or short in engine coolant temp. sensor circuit; Engine coolant temp. sensor; PCME (PCME & T)

↗ RM285U_1993_5sfe_mpisyste · p14 OEM manual

Open or short in intake air temp. sensor circuit for 0.5 sec. or more. (THA)

Trouble area: Open or short in intake air temp. sensor circuit; Intake air temp. sensor; PCME (PCME & T)

↗ RM285U_1993_5sfe_mpisyste · p14 OEM manual

(1) Oxygen sensor output is less than 0.45 V for at least 90 secs. when oxygen sensor is warmed up (racing at 2,000 rpm) — only for code 25. (2) When the engine speed varies by more than 20 rpm over the preceding crank angle period during a period of 20 seconds during idling with the coolant temp. 60°C (140°F) or more. (Calif. only)

Trouble area: Engine ground bolt loose; Open in E1 circuit; Open in injector circuit; Fuel line pressure (Injector blockage, etc.); Open or short in oxygen sensor circuit; Oxygen sensor; Ignition system; Engine coolant temp. sensor; MAP; PCME (PCME & T)

↗ RM285U_1993_5sfe_mpisyste · p14 OEM manual

(2 trip detection logic) Conditions (1) and (2) same as code 25 (Calif. only)

Trouble area: Engine ground bolt loose; Open in E1 circuit; Short in injection circuit; Fuel line pressure (Injector leakage, etc.); Open or short in oxygen sensor circuit; Oxygen sensor; Engine coolant temp. sensor; MAP; Compression pressure; PCME (PCME & T)

↗ RM285U_1993_5sfe_mpisyste · p14 OEM manual

Sub-Oxygen Sensor Signal — When sub-oxygen sensor is warmed up and full acceleration continued for 2 seconds, output of main oxygen sensor is 0.45 V or more (rich) and output of sub-oxygen sensor is 0.45 V or less (lean). (OX2) 2 trip detection logic.

Trouble area: Short or open in sub-oxygen sensor circuit; Sub-oxygen sensor; PCME (PCME & T)

↗ RM285U_1993_5sfe_mpisyste · p15 OEM manual

Manifold Absolute Pressure Sensor Signal — Open or short detected continuously for 0.5 sec. or more in MAP circuit. (PIM)

Trouble area: Open or short in vacuum sensor circuit; MAP; PCME (PCME & T)

↗ RM285U_1993_5sfe_mpisyste · p15 OEM manual

Throttle Position Sensor Signal — Open or short detected continuously for 0.5 sec. or more in throttle sensor (VTA) circuit.

Trouble area: Open or short in throttle position sensor circuit; Throttle position sensor; PCME (PCME & T)

↗ RM285U_1993_5sfe_mpisyste · p15 OEM manual

Vehicle Speed Pulse Generator Signal — (M/T) SPD signal is not input to PCM for at least 8 seconds during high load driving with engine speed between 2,400 rpm and 5,000 rpm. (A/T) PNS OFF and engine speed 3,000 rpm or more.

Trouble area: Open or short in vehicle speed sensor circuit; Vehicle speed pulse generator; PCME (PCME & T)

↗ RM285U_1993_5sfe_mpisyste · p15 OEM manual

Starter Signal — No starter signal is not input to PCM even once after ignition.

Trouble area: Open or short in starter signal circuit; Open or short in IG SW or MPI main relay circuit; PCME (PCME & T)

↗ RM285U_1993_5sfe_mpisyste · p15 OEM manual

Knock Sensor Signal — In area of knock control signal from knock sensor is not input to PCM for 0.65 sec. (KNK)

Trouble area: Open or short in knock sensor circuit; Knock sensor (looseness, etc.); PCME (PCME & T)

↗ RM285U_1993_5sfe_mpisyste · p15 OEM manual

EGR System Malfunction — 50 seconds from start of EGR operation, EGR gas temp. is less than 70°C with coolant temp. 80°C (176°F) or more.

Trouble area: Open in EGR function sensor circuit; Open in VSV circuit for EGR; EGR vacuum hose disconnected, valve stuck; Clogged in EGR gas passage; PCME (PCME & T)

↗ RM285U_1993_5sfe_mpisyste · p15 OEM manual

Switch Condition Signal — Displayed when A/C is ON IDL contact OFF or shift position in R, D, 2, or 1 ranges with the check terminals E1 and TE1 connected.

Trouble area: A/C switch circuit; Throttle position sensor IDL circuit; Park/Neutral switch circuit; Accelerator pedal, cable; PCME (PCME & T)

↗ RM285U_1993_5sfe_mpisyste · p15 OEM manual

Main Oxygen Sensor-Circuit — Deterioration of Main Oxygen Sensor

Trouble area: Main Oxygen Sensor circuit

↗ RM285U_1993_5sfe_mpisyste · p16 OEM manual

Air-Fuel Ratio Lean Malfunction

Trouble area: Open or Short in Main Oxygen Sensor

↗ RM285U_1993_5sfe_mpisyste · p17 OEM manual

Air-Fuel Ratio Rich Malfunction

Trouble area: Open or Short in Main Oxygen Sensor

↗ RM285U_1993_5sfe_mpisyste · p17 OEM manual

Air-Fuel Ratio Lean Malfunction (California)

Trouble area: Open or Short in OXygen Sensor, Open or Short in Injector Leak, Blockage, Loose Engine Ground Bolt

↗ RM285U_1993_5sfe_mpisyste · p18 OEM manual

Air-Fuel Ratio Lean Malfunction (California)

Trouble area: Open or Short in OXygen Sensor, Open or Short in Injector Leak, Blockage, Loose Engine Ground Bolt

↗ RM285U_1993_5sfe_mpisyste · p18 OEM manual

Sub-Oxygen Sensor Circuit (California)

Trouble area: Open or Short in Sub-Oxygen Sensor

↗ RM285U_1993_5sfe_mpisyste · p19 OEM manual

EGR System Malfunction (California)

Trouble area: Short in VSV Circuit for EGR, Loose EGR Hose, Valve Stuck

↗ RM285U_1993_5sfe_mpisyste · p20 OEM manual

Oxygen sensor signal

Trouble area: O2 sensor / fuel mixture circuit

↗ RM285U_1993_5sfe_mpisyste · p76 OEM manual

Air-fuel ratio lean malfunction

Trouble area: Fuel system / O2 sensor feedback

↗ RM285U_1993_5sfe_mpisyste · p76 OEM manual

Air-fuel ratio rich malfunction

Trouble area: Fuel system / O2 sensor feedback

↗ RM285U_1993_5sfe_mpisyste · p76 OEM manual

Sub-oxygen sensor malfunction

Trouble area: Sub-oxygen sensor circuit (OX2); replace sub-oxygen sensor if circuit is normal

↗ RM285U_1993_5sfe_mpisyste · p94 OEM manual

No voltage between PCME terminals VF and E1

Trouble area: Oxygen sensor circuit, PCME, wiring, air leaks, spark plugs, ignition system, fuel pressure, injectors, MAP sensor

↗ RM285U_1993_5sfe_mpisyste · p120 OEM manual

No voltage between terminals THA and E2 at intake air temperature 20°C (68°F) with IG SW ON

Trouble area: Intake Air Temperature Sensor circuit — THA, E2 terminals; PCME & T; wiring between PCME & T terminal E1 and body ground

↗ RM285U_1993_5sfe_mpisyste · p130 OEM manual

Voltage check — IG switch on; specified: Battery voltage

Trouble area: ECU-IG Fuse

↗ RM285U_1993_brake · p5 OEM manual

Continuity check — IG switch off; specified: Continuity

Trouble area: ABS ECU

↗ RM285U_1993_brake · p5 OEM manual

Voltage — IG switch off and brake pedal depressed; Continuity — IG switch off and brake pedal returned

Trouble area: Stop light switch / Stop light

↗ RM285U_1993_brake · p5 OEM manual

Voltage check — IG switch off; specified: Battery voltage

Trouble area: ECU + B Fuse

↗ RM285U_1993_brake · p5 OEM manual

Voltage check — IG switch on; specified: Battery voltage

Trouble area: ABS ECU, EFI ECU

↗ RM285U_1993_brake · p5 OEM manual

Continuity check — IG switch off; specified: Continuity

Trouble area: ABS ECU

↗ RM285U_1993_brake · p5 OEM manual

Continuity check — IG switch off; specified: Continuity

Trouble area: ABS ECU

↗ RM285U_1993_brake · p5 OEM manual

Voltage — ABS warning light on: About 0V; warning light off: Battery voltage

Trouble area: ABS ECU / ABS warning light

↗ RM285U_1993_brake · p5 OEM manual

Voltage — PKB lever pulled: About 0V; PKB lever returned: Battery voltage

Trouble area: Parking brake switch / Level warning switch

↗ RM285U_1993_brake · p5 OEM manual

Voltage — ABS warning light on: About 0V; A6S warning light off: Battery voltage

Trouble area: Actuator

↗ RM285U_1993_brake · p5 OEM manual

Voltage — Ts-E not connected: Battery voltage; Ts-E connected: About 0V

Trouble area: ABS ECU

↗ RM285U_1993_brake · p5 OEM manual

Continuity check — IG switch off; specified: Continuity

↗ RM285U_1993_brake · p5 OEM manual

Continuity check — IG switch off; specified: Continuity

↗ RM285U_1993_brake · p5 OEM manual

Voltage — ABS warning light on: About 0V; A6S warning light off: Battery voltage

Trouble area: ABS ECU

↗ RM285U_1993_brake · p5 OEM manual

Continuity check — IG switch off; specified: Continuity

Trouble area: Wiring harness

↗ RM285U_1993_brake · p5 OEM manual

Voltage — ABS warning light on: About 0V; ABS warning light off: Battery voltage

Trouble area: Actuator

↗ RM285U_1993_brake · p5 OEM manual

Open circuit in solenoid relay circuit

Trouble area: Actuator inside wire harness; Control relay; Wire harness and connector of solenoid relay circuit

↗ RM285U_1993_brake · p14 OEM manual

Short circuit in solenoid relay circuit

Trouble area: Actuator inside wire harness; Control relay; Wire harness and connector of solenoid relay circuit

↗ RM285U_1993_brake · p14 OEM manual

Open circuit in pump motor relay circuit

Trouble area: Actuator inside wire harness; Control relay; Wire harness and connector of pump motor relay circuit

↗ RM285U_1993_brake · p14 OEM manual

Short circuit in pump motor relay circuit

Trouble area: Actuator inside wire harness; Control relay; Wire harness and connector of pump motor relay circuit

↗ RM285U_1993_brake · p14 OEM manual

Open or short circuit in 3 position solenoid of front right wheel

Trouble area: Actuator solenoid; Wire harness and connector of actuator solenoid circuit

↗ RM285U_1993_brake · p14 OEM manual

Open or short circuit in 3 position solenoid of front left wheel

Trouble area: Actuator solenoid; Wire harness and connector of actuator solenoid circuit

↗ RM285U_1993_brake · p14 OEM manual

Open or short circuit in 3 position solenoid of rear right wheel

Trouble area: Actuator solenoid; Wire harness and connector of actuator solenoid circuit

↗ RM285U_1993_brake · p14 OEM manual

Open or short circuit 3 position solenoid of rear left wheel

Trouble area: Actuator solenoid; Wire harness and connector of actuator solenoid circuit

↗ RM285U_1993_brake · p14 OEM manual

Front right wheel speed sensor signal malfunction

Trouble area: Speed sensor; Sensor rotor; Wire harness and connector of speed sensor

↗ RM285U_1993_brake · p14 OEM manual

Front left wheel speed sensor signal malfunction

Trouble area: Speed sensor; Sensor rotor; Wire harness and connector of speed sensor

↗ RM285U_1993_brake · p14 OEM manual

Rear right wheel speed sensor signal malfunction

Trouble area: Speed sensor; Sensor rotor; Wire harness and connector of speed sensor

↗ RM285U_1993_brake · p14 OEM manual

Rear left wheel speed sensor signal malfunction

Trouble area: Speed sensor; Sensor rotor; Wire harness and connector of speed sensor

↗ RM285U_1993_brake · p14 OEM manual

Open circuit in front left or rear right wheel speed sensor

Trouble area: Speed sensor; Sensor rotor; Wire harness and connector of speed sensor

↗ RM285U_1993_brake · p14 OEM manual

Open circuit in front right or rear left wheel speed sensor

Trouble area: Speed sensor; Sensor rotor; Wire harness and connector of speed sensor

↗ RM285U_1993_brake · p14 OEM manual

Wrong both rear axle hubs

Trouble area: Rear sensor rotors

↗ RM285U_1993_brake · p14 OEM manual

Abnormal battery voltage (less than 9.5 V/more than 16.2 V)

Trouble area: Battery; Voltage regulator

↗ RM285U_1993_brake · p14 OEM manual

Pump motor of actuator locked or open circuit in pump motor circuit in actuator

Trouble area: Pump motor, relay and battery; Wire harness, connector and ground bolt or actuator pump motor circuit

↗ RM285U_1993_brake · p14 OEM manual

Malfunction in ECU

Trouble area: ECU

↗ RM285U_1993_brake · p14 OEM manual

Low voltage of front right speed sensor signal

Trouble area: Front right speed sensor; Sensor installation

↗ RM285U_1993_brake · p22 OEM manual

Low voltage of front left speed sensor signal

Trouble area: Front left speed sensor; Sensor installation

↗ RM285U_1993_brake · p22 OEM manual

Low voltage of rear right speed sensor signal

Trouble area: Rear right speed sensor; Sensor installation

↗ RM285U_1993_brake · p22 OEM manual

Low voltage of rear left speed sensor signal

Trouble area: Rear left speed sensor; Sensor installation

↗ RM285U_1993_brake · p22 OEM manual

Abnormal change of front right speed sensor signal

Trouble area: Front right sensor rotor

↗ RM285U_1993_brake · p22 OEM manual

Abnormal change of front left speed sensor signal

Trouble area: Front left sensor rotor

↗ RM285U_1993_brake · p22 OEM manual

Abnormal change of rear right speed sensor signal

Trouble area: Rear right sensor rotor

↗ RM285U_1993_brake · p22 OEM manual

Abnormal change of rear left speed sensor signal

Trouble area: Rear left sensor rotor

↗ RM285U_1993_brake · p22 OEM manual

Priority 1: Brake system (Fluid leaks) [BR-18,26,34]; Priority 2: Brake system (Air in) [BR-18,26,34]; Priority 3: Brake pad or lining (Worn) [BR-18,34]; Priority 4: Parking brake (Lever travel out of adjustment) [BR-10]; Priority 5: Master cylinder (Faulty) [BR-11]; Priority 6: Booster push rod (Out of adjustment) [BR-17]

Trouble area: Brake system fluid leaks, air in system, worn pad/lining, parking brake adjustment, master cylinder, booster push rod

↗ RM285U_1993_brake · p76 OEM manual

Priority 1: Brake pedal (Freeplay minimal) [BR-7]; Priority 2: Rear brake (Shoe clearance out of adjustment) [BR-26,34]; Priority 3: Parking brake (Lever travel out of adjustment) [BR-10]; Priority 4: Parking brake wire (Sticking) [BR-10]; Priority 5: Pad or lining (Cracked or distorted) [BR-18,26,34]; Priority 6: Piston (Stuck) [BR-18,26,34]; Priority 7: Booster system (Vacuum leaks) [BR-7]; Priority 8: Anchor or return spring (Faulty) [BR-26]; Priority 9: Booster push rod (Out of adjustment) [BR-17]; Priority 10: Pad support plate (Loose) [BR-18,34]; Priority 11: Master cylinder (Faulty) [BR-11]

Trouble area: Brake pedal freeplay, rear brake shoe clearance, parking brake, pad/lining, piston, booster system, return spring

↗ RM285U_1993_brake · p76 OEM manual

Priority 1: Piston (Stuck) [BR-18,26,34]; Priority 2: Piston Frozen [BR-18,26,34]; Priority 3: Pad or lining (oily) [BR-18,26,34]; Priority 4: Rotor (Scored) [BR-18,34]; Priority 5: Pad or lining (Cracked or distorted) [BR-18,26,34]

Trouble area: Piston stuck/frozen, oily pad/lining, scored rotor, cracked/distorted pad/lining

↗ RM285U_1993_brake · p76 OEM manual

Priority 1: Brake system (Fluid leaks) [BR-18,26,34]; Priority 2: Brake system (Air in) [BR-18,26,34]; Priority 3: Brake pad or lining (Worn) [BR-18,34]; Priority 4: Pad or lining (Cracked or distorted) [BR-18,26,34]; Priority 5: Master cylinder (Faulty) [BR-11]; Priority 6: Piston Frozen [BR-18,26,34]; Priority 7: Anti-squeal shim (Damaged) [BR-18,34]; Priority 8: Pad or lining (Hardened) [BR-18,26,34]; Priority 9: Booster push rod (Out of adjustment) [BR-17]; Priority 10: Pad support plate (Loose) [BR-18,34]

Trouble area: Fluid leaks, air in system, worn/cracked/hardened pad/lining, master cylinder, frozen piston, anti-squeal shim, booster push rod

↗ RM285U_1993_brake · p76 OEM manual

Priority 1: Anchor or return spring (Faulty) [BR-26]; Priority 2: Installation bolt (Loose) [BR-18,26,34]; Priority 3: Sliding pin (Worn) [BR-18,34]; Priority 4: Pad support plate (Loose) [BR-18,34]; Priority 5: Rotor (Scored) [BR-18,34]; Priority 6: Pad or lining (Dirty) [BR-18,26,34]; Priority 7: Anti-squeal shim (Damaged) [BR-18,34]; Priority 8: Pad or lining (Cracked or distorted) [BR-26]; Priority 9: Hold-down spring (Damaged) [BR-26]; Priority 10: Pad or lining (Hardened) [BR-18,26,34]

Trouble area: Return spring, loose bolt/pad support, worn sliding pin, scored rotor, dirty/cracked/hardened pad/lining, damaged anti-squeal shim/hold-down spring

↗ RM285U_1993_brake · p76 OEM manual

Priority 1: Tires; Priority 2: Wheel alignment; Priority 3: Steering linkage; Priority 4: Hub bearings; Priority 5: Steering gear; Priority 6: Suspension parts

Trouble area: Tires, Wheel alignment, Hub bearings, Steering linkage, Steering gear, Suspension parts

↗ RM285U_1993_suspension · p109 OEM manual

Priority 1: Overloaded; Priority 2: Springs; Priority 3: Shock absorber

Trouble area: Springs, Shock absorber, Overloaded

↗ RM285U_1993_suspension · p109 OEM manual

Priority 1: Tires; Priority 2: Stabilizer bar; Priority 3: Shock absorber

Trouble area: Tires, Stabilizer bar, Shock absorber

↗ RM285U_1993_suspension · p109 OEM manual

Priority 1: Tires; Priority 2: Wheel balance; Priority 3: Shock absorber; Priority 4: Wheel alignment; Priority 5: Ball joint; Priority 6: Hub bearings; Priority 7: Steering linkage; Priority 8: Steering gear

Trouble area: Tires, Wheel alignment, Shock absorber, Ball joint, Hub bearings, Steering linkage, Steering gear, Wheel balance

↗ RM285U_1993_suspension · p109 OEM manual

Priority 1: Cold tire inflation pressure; Priority 2: Wheel alignment; Priority 3: Suspension parts; Priority 4: Shock absorber

Trouble area: Cold tire inflation pressure, Wheel alignment, Shock absorber, Suspension parts

↗ RM285U_1993_suspension · p109 OEM manual

Engine mounting (Loosen)

Trouble area: Engine mounting

↗ RM285U_1993_clutch · p20 OEM manual

Clutch disc (Runout is excessive)

Trouble area: Clutch disc — CL-16

↗ RM285U_1993_clutch · p20 OEM manual

Clutch disc (Oily)

Trouble area: Clutch disc — CL-16

↗ RM285U_1993_clutch · p20 OEM manual

Clutch disc (Worn out)

Trouble area: Clutch disc — CL-16

↗ RM285U_1993_clutch · p20 OEM manual

Clutch disc torsion rubber (Damaged)

Trouble area: Clutch disc — CL-16

↗ RM285U_1993_clutch · p20 OEM manual

Clutch disc (Harden)

Trouble area: Clutch disc — CL-16

↗ RM285U_1993_clutch · p20 OEM manual

Diaphragm spring (Out of tip alignment)

Trouble area: Diaphragm spring — CL-18

↗ RM285U_1993_clutch · p20 OEM manual

Release bearing (Worn, dirty or damaged)

Trouble area: Release bearing — CL-16

↗ RM285U_1993_clutch · p20 OEM manual

Input shaft bearing (Worn or damaged)

Trouble area: Input shaft bearing

↗ RM285U_1993_clutch · p20 OEM manual

Clutch disc torsion rubber (Damaged)

Trouble area: Clutch disc — CL-16

↗ RM285U_1993_clutch · p20 OEM manual

Clutch line (Air in line)

Trouble area: Clutch line — CL-6

↗ RM285U_1993_clutch · p20 OEM manual

Master cylinder cup (Damaged)

Trouble area: Master cylinder cup — CL-9

↗ RM285U_1993_clutch · p20 OEM manual

Release cylinder cup (Damaged)

Trouble area: Release cylinder cup — CL-12

↗ RM285U_1993_clutch · p20 OEM manual

Clutch pedal (Freeplay out of adjustment)

Trouble area: Clutch pedal — CL-7

↗ RM285U_1993_clutch · p20 OEM manual

Clutch disc (Oily)

Trouble area: Clutch disc — CL-16

↗ RM285U_1993_clutch · p20 OEM manual

Clutch disc (Worn out)

Trouble area: Clutch disc — CL-16

↗ RM285U_1993_clutch · p20 OEM manual

Diaphragm spring (Damaged)

Trouble area: Diaphragm spring — CL-16

↗ RM285U_1993_clutch · p20 OEM manual

Pressure plate (Distortion)

Trouble area: Pressure plate — CL-16

↗ RM285U_1993_clutch · p20 OEM manual

Flywheel (Distortion)

Trouble area: Flywheel

↗ RM285U_1993_clutch · p20 OEM manual

Clutch pedal (Freeplay out of adjustment)

Trouble area: Clutch pedal — CL-7

↗ RM285U_1993_clutch · p20 OEM manual

Clutch line (Air in line)

Trouble area: Clutch line — CL-6

↗ RM285U_1993_clutch · p20 OEM manual

Clutch disc (Out of true)

Trouble area: Clutch disc — CL-16

↗ RM285U_1993_clutch · p20 OEM manual

Clutch disc (Lining broken)

Trouble area: Clutch disc — CL-16

↗ RM285U_1993_clutch · p20 OEM manual

Clutch disc (Dirty or burred)

Trouble area: Clutch disc — CL-16

↗ RM285U_1993_clutch · p20 OEM manual

Clutch disc (Oily)

Trouble area: Clutch disc — CL-16

↗ RM285U_1993_clutch · p20 OEM manual

Diaphragm spring (Damaged)

Trouble area: Diaphragm spring — CL-16

↗ RM285U_1993_clutch · p20 OEM manual

Diaphragm spring (Out of tip alignment)

Trouble area: Diaphragm spring — CL-18

↗ RM285U_1993_clutch · p20 OEM manual

Pressure plate (Distortion)

Trouble area: Pressure plate — CL-16

↗ RM285U_1993_clutch · p20 OEM manual

Clutch disc (Lack of spline grease)

Trouble area: Clutch disc — CL-18

↗ RM285U_1993_clutch · p20 OEM manual

No power coming in.

Trouble area: Radio

↗ RM285U_1993_body_electrical · p9 OEM manual

Power coming in, but radio not operating.

Trouble area: Radio

↗ RM285U_1993_body_electrical · p9 OEM manual

Noise present, but AM – FM not operating.

Trouble area: Radio

↗ RM285U_1993_body_electrical · p9 OEM manual

Either speaker does not work.

Trouble area: Radio

↗ RM285U_1993_body_electrical · p9 OEM manual

Either AM or FM does not work.

Trouble area: Radio

↗ RM285U_1993_body_electrical · p9 OEM manual

Reception poor (Volume faint).

Trouble area: Radio

↗ RM285U_1993_body_electrical · p9 OEM manual

Few preset tuning bands.

Trouble area: Radio

↗ RM285U_1993_body_electrical · p9 OEM manual

Sound quality poor.

Trouble area: Radio

↗ RM285U_1993_body_electrical · p9 OEM manual

Cannot set station select button.

Trouble area: Radio

↗ RM285U_1993_body_electrical · p9 OEM manual

Preset memory disappears.

Trouble area: Radio

↗ RM285U_1993_body_electrical · p9 OEM manual

Cassette tape cannot be inserted.

Trouble area: Tape Player

↗ RM285U_1993_body_electrical · p9 OEM manual

Cassette tape inserts, but no power.

Trouble area: Tape Player

↗ RM285U_1993_body_electrical · p9 OEM manual

Power coming in, but tape player not operating.

Trouble area: Tape Player

↗ RM285U_1993_body_electrical · p9 OEM manual

Either speaker does not work.

Trouble area: Tape Player

↗ RM285U_1993_body_electrical · p9 OEM manual

Sound quality poor (Volume faint).

Trouble area: Tape Player

↗ RM285U_1993_body_electrical · p9 OEM manual

Tape jammed, malfunction with tape speed or auto-reverse.

Trouble area: Tape Player

↗ RM285U_1993_body_electrical · p9 OEM manual

APS, SKIP, RPT buttons not operating.

Trouble area: Tape Player

↗ RM285U_1993_body_electrical · p9 OEM manual

Cassette tape will not eject.

Trouble area: Tape Player

↗ RM285U_1993_body_electrical · p9 OEM manual

CD cannot be inserted.

Trouble area: CD Player

↗ RM285U_1993_body_electrical · p9 OEM manual

CD inserts, but no power.

Trouble area: CD Player

↗ RM285U_1993_body_electrical · p9 OEM manual

Power coming in, but CD player not operating.

Trouble area: CD Player

↗ RM285U_1993_body_electrical · p9 OEM manual

Sound jumps.

Trouble area: CD Player

↗ RM285U_1993_body_electrical · p9 OEM manual

Sound quality poor (Volume faint).

Trouble area: CD Player

↗ RM285U_1993_body_electrical · p9 OEM manual

Either speaker does not work.

Trouble area: CD Player

↗ RM285U_1993_body_electrical · p9 OEM manual

CD will not eject.

Trouble area: CD Player

↗ RM285U_1993_body_electrical · p9 OEM manual

Antenna – related.

Trouble area: Antenna

↗ RM285U_1993_body_electrical · p9 OEM manual

Noise produced by vibration or shock while driving.

Trouble area: Noise

↗ RM285U_1993_body_electrical · p9 OEM manual

Noise produced when engine starts.

Trouble area: Noise

↗ RM285U_1993_body_electrical · p9 OEM manual

Back–Up light does not light up.

Trouble area: ECU-IG Fuse (priority 1), Ignition Switch (priority 2), Ignition Relay (priority 3), Back-Up Light Switch M/T or Park/Neutral Switch A/T (priority 4), Wire Harness (priority 5), Bulb (priority 6)

↗ RM285U_1993_body_electrical · p31 OEM manual

Back–Up light remains always on.

Trouble area: Wire Harness (priority 1)

↗ RM285U_1993_body_electrical · p31 OEM manual

Only one light does not light up.

Trouble area: Wire Harness (priority 1)

↗ RM285U_1993_body_electrical · p31 OEM manual

O/D OFF indicator light does not light up

Trouble area: Bulb (1), O/D OFF Switch (3), Combination Meter Wiring Circuit (2*1), Wire Harness (4)

↗ RM285U_1993_body_electrical · p40 OEM manual

Cruise control indicator light does not light up

Trouble area: Bulb (1), Combination Meter Wiring Circuit (3), Other Parts (2*2)

↗ RM285U_1993_body_electrical · p40 OEM manual

High beam indicator light does not light up

Trouble area: Bulb (1), Combination Meter Wiring Circuit (2*3), Wire Harness (3), Other Parts (4*4)

↗ RM285U_1993_body_electrical · p40 OEM manual

Turn indicator light does not light up

Trouble area: Bulb (1), Combination Meter Wiring Circuit (2*5), Wire Harness (3), Other Parts (4*6)

↗ RM285U_1993_body_electrical · p40 OEM manual

Shift indicator lights do not light up (All)

Trouble area: Bulb (1), Park/Neutral Switch (3), Combination Meter Wiring Circuit (2*7), Wire Harness (4)

↗ RM285U_1993_body_electrical · p40 OEM manual

Shift indicator lights do not light up (L, 2, D)

Trouble area: Bulb (1), Park/Neutral Switch (3), Light Control Rheostat (4), Combination Meter Wiring Circuit (2*8), Wire Harness (5)

↗ RM285U_1993_body_electrical · p40 OEM manual

Only one shift indicator does not light up

Trouble area: Bulb (1), Combination Meter Wiring Circuit (2), Wire Harness (3)

↗ RM285U_1993_body_electrical · p40 OEM manual

Indicator lights do not light up (Except Turn, Hi-beam)

Trouble area: GAUGE Fuse (1), Combination Meter Wiring Circuit (2)

↗ RM285U_1993_body_electrical · p40 OEM manual

Normal operation — rapid continuous blinks at 0.25S intervals

↗ RM285U_1993_body_electrical · p58 OEM manual

Excessive current flowed to motor or safety magnetic clutch drive circuit.

Trouble area: Motor drive circuit or safety magnetic clutch drive circuit

↗ RM285U_1993_body_electrical · p58 OEM manual

Open circuit in safety magnetic clutch circuit.

Trouble area: Safety magnetic clutch circuit

↗ RM285U_1993_body_electrical · p58 OEM manual

Position sensor circuit abnormal. Open circuit in motor.

Trouble area: Position sensor circuit; motor circuit

↗ RM285U_1993_body_electrical · p58 OEM manual

Vehicle speed signal not sent for 140 msec. or longer.

Trouble area: Vehicle speed signal circuit

↗ RM285U_1993_body_electrical · p58 OEM manual

Vehicle speed pulse generator (in Powertrain Control Module) circuit is abnormal.

Trouble area: Vehicle speed pulse generator circuit in PCM

↗ RM285U_1993_body_electrical · p58 OEM manual

(A/T) Vehicle speed has decreased by 16 km/h (10 mph) or more from the set speed during cruising.

Trouble area: Vehicle speed sensor / A/T system

↗ RM285U_1993_body_electrical · p58 OEM manual

(CANADA) RESUME/ACCEL switch is ON always when MAIN switch is pushed ON.

Trouble area: RESUME/ACCEL switch circuit (Canada)

↗ RM285U_1993_body_electrical · p58 OEM manual

(USA) Short circuit in control switch circuit.

Trouble area: Control switch circuit (USA)

↗ RM285U_1993_body_electrical · p58 OEM manual

(CANADA) SET/COAST switch signal and RES/ACC switch signal turned on simultaneously.

Trouble area: SET/COAST switch and RES/ACC switch circuit (Canada)

↗ RM285U_1993_body_electrical · p58 OEM manual

(USA) Control switch does not turn off before switching.

Trouble area: Control switch circuit (USA)

↗ RM285U_1993_body_electrical · p58 OEM manual

ECU malfunction.

Trouble area: Cruise control ECU

↗ RM285U_1993_body_electrical · p58 OEM manual

Turn SET/COAST switch ON. CRUISE MAIN indicator light blinks with 0.25s on/off pattern.

Trouble area: SET/COAST switch circuit is normal.

↗ RM285U_1993_body_electrical · p60 OEM manual

Turn RES/CC switch ON. CRUISE MAIN indicator light blinks repeatedly.

Trouble area: RES/ACC switch circuit is normal.

↗ RM285U_1993_body_electrical · p60 OEM manual

Turn CANCEL switch ON. Light ON with switch OFF, light OFF with switch ON.

Trouble area: CANCEL switch circuit is normal.

↗ RM285U_1993_body_electrical · p60 OEM manual

Turn stop light switch ON (depress brake pedal). Light ON with switch OFF, light OFF with switch ON.

Trouble area: Stop light switch circuit is normal.

↗ RM285U_1993_body_electrical · p60 OEM manual

Turn parking brake switch ON (release parking brake). Light ON with switch OFF, light OFF with switch ON.

Trouble area: Parking brake switch circuit is normal.

↗ RM285U_1993_body_electrical · p60 OEM manual

Turn park/neutral switch ON (shift to N or P range). Light ON with switch OFF, light OFF with switch ON.

Trouble area: Park/neutral switch circuit is normal.

↗ RM285U_1993_body_electrical · p60 OEM manual

Drive at 40 km/h (25 mph) or higher. CRUISE MAIN indicator light blinks repeatedly.

Trouble area: Vehicle speed pulse generator is normal.

↗ RM285U_1993_body_electrical · p60 OEM manual

Drive at 40 km/h (25 mph) or below. CRUISE MAIN indicator light remains OFF.

Trouble area: Vehicle speed pulse generator is normal.

↗ RM285U_1993_body_electrical · p60 OEM manual

CRUISE indicator light blinks 5 times; Cruise control system does not set; Cruise control system does not operate

Trouble area: CC ECU (priority 3), Actuator (priority 2), Wire Harness (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

CRUISE indicator light blinks 5 times; Cruise control system does not set; Cruise control system does not operate

Trouble area: CC ECU (priority 4), Actuator (priority 2), Stop Light Switch (priority 3), Wire Harness (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

CRUISE indicator light blinks 5 times; Cruise control system does not set; Cruise control system does not operate

Trouble area: CC ECU (priority 3), Actuator (priority 2), Wire Harness (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

CRUISE indicator light blinks 5 times; Cruise control system does not set; Cruise control system does not operate

Trouble area: CC ECU (priority 3), Vehicle Speed Pulse Generator or Speedometer Cable (priority 2), Wire Harness (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

CRUISE indicator light blinks 5 times; Cruise control system does not set; Cruise control system does not operate

Trouble area: CC ECU (priority 2), Vehicle Speed Pulse Generator or Speedometer Cable (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

CRUISE indicator light blinks 5 times; Cruise control system does not set; Cruise control system does not operate

Trouble area: CC ECU (priority 4), Actuator (priority 3), Vehicle Speed Pulse Generator or Speedometer Cable (priority 2), Speed Control Cable Function (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

CRUISE indicator light blinks 5 times; Cruise control system does not set; Cruise control system does not operate

Trouble area: CC ECU (priority 3), Control Switch (priority 2), Wire Harness (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

CRUISE indicator light blinks 5 times; Cruise control system does not set; Cruise control system does not operate

Trouble area: CC ECU (priority 2), Control Switch (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

CRUISE indicator light blinks 5 times; Cruise control system does not set; Cruise control system does not operate

Trouble area: CC ECU (priority 3), Control Switch (priority 2), Wire Harness (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

CRUISE indicator light blinks 5 times; Cruise control system does not set; Cruise control system does not operate

Trouble area: CC ECU (priority 2), Control Switch (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

CRUISE indicator light blinks 5 times; Cruise control system does not set; Cruise control system does not operate

Trouble area: CC ECU (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

Normal condition — OK

Trouble area: CC ECU (priority 9), Actuator (priority 8), Main Switch in Control Switch (priority 2), Control Switch (priority 3), Stop Light Switch (priority 4), Clutch Switch or Park/Neutral Switch (priority 5), Parking Brake Switch (priority 6), Vehicle Speed Pulse Generator or Speedometer Cable (priority 7), Speed Control Cable Function (priority 7), Wire Harness (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

Normal condition — NG

Trouble area: CC ECU (priority 2)

↗ RM285U_1993_body_electrical · p61 OEM manual

Set speed deviates on high or low side

Trouble area: Actuator (priority 4), Main Switch in Control Switch (priority 3), Vehicle Speed Pulse Generator or Speedometer Cable (priority 1), Speed Control Cable Function (priority 2)

↗ RM285U_1993_body_electrical · p61 OEM manual

Large speed drop when the speed control switch turned to SET

Trouble area: Actuator (priority 4), Main Switch in Control Switch (priority 3), Throttle Position Sensor IDL (priority 2), Speed Control Cable Function (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

Vehicle speed fluctuates when speed control switch turned to SET

Trouble area: Actuator (priority 4), Main Switch in Control Switch (priority 3), Vehicle Speed Pulse Generator or Speedometer Cable (priority 1), Speed Control Cable Function (priority 2)

↗ RM285U_1993_body_electrical · p61 OEM manual

Acceleration response is sluggish when speed control switch turned to ACCEL or RESUME

Trouble area: Actuator (priority 4), Main Switch in Control Switch (priority 3), Vehicle Speed Pulse Generator or Speedometer Cable (priority 2), Speed Control Cable Function (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

During autodrive operation, shift operation occurs frequently without control

Trouble area: CC ECU (priority 2), ECT Solenoid No. 2 Circuit (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

Set speed does not cancel when brake pedal depressed — OK

Trouble area: CC ECU (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

Set speed does not cancel when brake pedal depressed — NG

Trouble area: CC ECU (priority 2), Stop Light Switch (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

Set speed does not cancel when parking brake lever pulled — OK

Trouble area: CC ECU (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

Set speed does not cancel when parking brake lever pulled — NG

Trouble area: CC ECU (priority 2), Parking Brake Switch (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

Set speed does not cancel when clutch pedal depressed — OK

Trouble area: CC ECU (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

Set speed does not cancel when clutch pedal depressed — NG

Trouble area: CC ECU (priority 2), Clutch Switch or Park/Neutral Switch (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

Set speed does not cancel when speed control switch turned to CANCEL — OK

Trouble area: CC ECU (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

Set speed does not cancel when speed control switch turned to CANCEL — NG

Trouble area: CC ECU (priority 2), Control Switch (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

Vehicle speed does not decrease when speed control switch turned to COAST — OK

Trouble area: CC ECU (priority 4), Actuator (priority 1), Vehicle Speed Pulse Generator or Speedometer Cable (priority 3), Speed Control Cable Function (priority 2)

↗ RM285U_1993_body_electrical · p61 OEM manual

Vehicle speed does not decrease when speed control switch turned to COAST — NG

Trouble area: CC ECU (priority 2), Control Switch (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

Vehicle speed does not accelerate when speed control switch turned to ACCEL — OK

Trouble area: CC ECU (priority 4), Actuator (priority 1), Vehicle Speed Pulse Generator or Speedometer Cable (priority 3), Speed Control Cable Function (priority 2)

↗ RM285U_1993_body_electrical · p61 OEM manual

Vehicle speed does not accelerate when speed control switch turned to ACCEL — NG

Trouble area: CC ECU (priority 2), Control Switch (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

Vehicle speed does not return to memorized speed when control switch turned on RESUME — OK

Trouble area: CC ECU (priority 4), Actuator (priority 1), Vehicle Speed Pulse Generator or Speedometer Cable (priority 3), Speed Control Cable Function (priority 2)

↗ RM285U_1993_body_electrical · p61 OEM manual

Vehicle speed does not return to memorized speed when control switch turned on RESUME — NG

Trouble area: CC ECU (priority 2), Control Switch (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

Speed can be set below about 40 km/h (25 mph) — OK

Trouble area: CC ECU (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

Speed can be set below about 40 km/h (25 mph) — NG

Trouble area: CC ECU (priority 2), Vehicle Speed Pulse Generator or Speedometer Cable (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

Cruise control will not disengage even at about 40 km/h (25 mph) — OK

Trouble area: CC ECU (priority 1)

↗ RM285U_1993_body_electrical · p61 OEM manual

Cruise control will not disengage even at about 40 km/h (25 mph) — NG

Trouble area: CC ECU (priority 3), Vehicle Speed Pulse Generator or Speedometer Cable (priority 1), Speed Control Cable Function (priority 2)

↗ RM285U_1993_body_electrical · p61 OEM manual

Check in order: 1-DEFOG Fuse (BE-3), 2-GAUGE Fuse (BE-3), 3-Defogger Switch (BE-86), 4-Defogger Relay (BE-86), 5-Defogger Wire (BE-87), 6-Wire Harness

Trouble area: DEFOG Fuse, GAUGE Fuse, Defogger Switch, Defogger Relay, Defogger Wire, Wire Harness

↗ RM285U_1993_body_electrical · p87 OEM manual

Check in order: 1-FR FOG Fuse, 2-HEAD Fuse, 3-Front Fog Light Relay, 4-Headlight Control Relay, 5-Light Retractor Relay (w/o Daytime Running Light Relay), 6-Front Fog Light Switch, 7-Wire Harness

Trouble area: FR FOG Fuse, HEAD Fuse, Front Fog Light Relay, Headlight Control Relay, Light Retractor Relay, Front Fog Light Switch, Wire Harness

↗ RM285U_1993_body_electrical · p96 OEM manual

Check in order: 2-Wire Harness, 1*2-Other Parts (* Inspect Headlight System, w/ Daytime Running Light Relay)

Trouble area: Wire Harness, Other Parts (Inspect Headlight System)

↗ RM285U_1993_body_electrical · p96 OEM manual

Check in order: 1-Bulb, 2-Wire Harness

Trouble area: Bulb, Wire Harness

↗ RM285U_1993_body_electrical · p96 OEM manual

Check in order: 1-MAIN FL, 2-HEAD Fuse, 3-Light Control Switch, 4-Dimmer Switch, 5-Wire Harness, 6-Headlight Bulb

Trouble area: Headlight

↗ RM285U_1993_body_electrical · p115 OEM manual

Check in order: 1-Light Control Switch, 2-Dimmer Switch, 3-Wire Harness, 4-Headlight Bulb

Trouble area: Headlight

↗ RM285U_1993_body_electrical · p115 OEM manual

Check in order: 1-HEAD Fuse, 2-Wire Harness, 3-Headlight Bulb

Trouble area: Headlight

↗ RM285U_1993_body_electrical · p115 OEM manual

Check in order: 1-Headlight Control Relay, 2-Light Retractor Relay, 3-Dimmer Switch, 4-Wire Harness, 5-Headlight Bulb

Trouble area: Headlight

↗ RM285U_1993_body_electrical · p115 OEM manual

Check in order: 1-Headlight Control Relay, 2-Light Retractor Relay, 3-Dimmer Switch, 4-Wire Harness, 5-Headlight Bulb

Trouble area: Headlight

↗ RM285U_1993_body_electrical · p115 OEM manual

Check in order: 1-Headlight Control Relay, 2-Light Retractor Relay, 3-Dimmer Switch, 4-Wire Harness, 5-Headlight Bulb

Trouble area: Headlight

↗ RM285U_1993_body_electrical · p115 OEM manual

Check in order: 1-Headlight Control Relay (position 4), 2-Light Control Switch, 3-Dimmer Switch, 5-Light Retractor Relay, 6-Light Retractor Motor, 7-Wire Harness, 8-Headlight Bulb

Trouble area: Headlight

↗ RM285U_1993_body_electrical · p115 OEM manual

Check in order: 1-MAIN FL, 2-TAIL Fuse, 3-Light Control Switch, 4-Wire Harness, 5-Taillight Bulb

Trouble area: Taillight

↗ RM285U_1993_body_electrical · p115 OEM manual

Check in order: 1-TAIL Fuse, 2-Light Control Switch, 3-Taillight Control Relay, 4-Wire Harness, 5-Taillight Bulb

Trouble area: Taillight

↗ RM285U_1993_body_electrical · p115 OEM manual

Check in order: 1-Wire Harness, 2-Taillight Bulb

Trouble area: Taillight

↗ RM285U_1993_body_electrical · p115 OEM manual

Check in order: 1-TAIL Fuse, 2-Wire Harness, 3-Taillight Bulb

Trouble area: Taillight

↗ RM285U_1993_body_electrical · p115 OEM manual

Check in order: 1-Headlight Control Relay, 2-Taillight Control Relay, 3-Light Retractor Relay, 4-Light Control Switch, 5-Dimmer Switch, 6-Wire Harness

Trouble area: Daytime Running Light

↗ RM285U_1993_body_electrical · p115 OEM manual

Check in order: 1-GAUGE Fuse, 2-Ignition Switch, 3-Door Courtesy Switch, 4-Light Auto Turn Off (module), 5-Wire Harness

Trouble area: Light Auto Turn Off

↗ RM285U_1993_body_electrical · p115 OEM manual

Ignition switch faulty / Power source circuit faulty

Trouble area: Check switch (BE-11) / Repair as necessary (BE-9)

↗ RM285U_1993_body_electrical · p126 OEM manual

Key unlock warning switch faulty / Door courtesy switch faulty / Door lock control relay faulty / Wiring faulty

Trouble area: Check switch (BE-11) / Check switch (BE-49) / Check relay (BE-102) / Repair as necessary

↗ RM285U_1993_body_electrical · p126 OEM manual

Key unlock warning switch faulty / Door courtesy switch faulty / Seat Belt Warning Relay faulty / Wiring faulty

Trouble area: Check switch (BE-11) / Check switch (BE-49) / Check relay (BE-12) / Repair as necessary

↗ RM285U_1993_body_electrical · p126 OEM manual

Check Wire Harness (priority 2), then Bulb (priority 1).

Trouble area: Wire Harness, Bulb

↗ RM285U_1993_body_electrical · p130 OEM manual

Check DOME Fuse (priority 1), then Wire Harness (priority 2).

Trouble area: DOME Fuse, Wire Harness

↗ RM285U_1993_body_electrical · p130 OEM manual

Check Room Light Control Relay (priority 1), Door Courtesy Switch (priority 2), Door Outside Handle Switch (priority 3), Wire Harness (priority 4).

Trouble area: Room Light Control Relay, Door Courtesy Switch, Door Outside Handle Switch, Wire Harness

↗ RM285U_1993_body_electrical · p130 OEM manual

Check Interior Light Switch (priority 2), Wire Harness (priority 3).

Trouble area: Interior Light Switch, Wire Harness

↗ RM285U_1993_body_electrical · p130 OEM manual

Entire door lock control system inoperative

Trouble area: 1st: Door Lock Control Relay (Door Lock Signal) [BE-103]; 2nd: Door Lock Control Relay (Relay Circuit) [BE-102]; 3rd: RADIO & CIG Fuse [BE-3]; 4th: P/W Fuse (M-Fuse) [BE-3]; 5th: Wire Harness; 6th: Other Parts

↗ RM285U_1993_body_electrical · p135 OEM manual

Door lock/unlock malfunction when operated via door manual switch

Trouble area: 1st: Door Lock Manual Switch [BE-99]; 2nd: Wire Harness; 3rd: Door Lock Control Relay (Relay Circuit) [BE-102]; 4th: Other Parts

↗ RM285U_1993_body_electrical · p135 OEM manual

Door lock/unlock malfunction when operated via both door manual switch and key

Trouble area: 1st: Door Lock Control Relay (Door Lock Signal) [BE-103]; 2nd: Door Lock Control Relay (Relay Circuit) [BE-102]; 3rd: Other Parts

↗ RM285U_1993_body_electrical · p135 OEM manual

Door lock/unlock malfunction when operated via key

Trouble area: 1st: Door Key Lock and Unlock Switch [BE-99]; 2nd: Wire Harness; 3rd: Door Lock Control Relay (Relay Circuit) [BE-102]; 4th: Other Parts

↗ RM285U_1993_body_electrical · p135 OEM manual

Two-operation unlock function of driver's side door key lock and unlock switch is faulty

Trouble area: 1st: Door Key Lock and Unlock Switch [BE-99]; 2nd: Wire Harness; 3rd: Door Lock Control Relay (Relay Circuit) [BE-102]; 4th: Other Parts

↗ RM285U_1993_body_electrical · p135 OEM manual

Key confine prevention operation is faulty

Trouble area: 1st: Key Unlock Warning Switch [BE-11]; 2nd: Door Courtesy Switch [BE-49]; 3rd: Door Lock and Unlock Switch [BE-101]; 4th: Wire Harness; 5th: Door Lock Control Relay (Relay Circuit) [BE-102]; 6th: Other Parts

↗ RM285U_1993_body_electrical · p135 OEM manual

Single door lock is inoperative

Trouble area: 1st: Door Lock Motor [BE-100]; 2nd: Wire Harness

↗ RM285U_1993_body_electrical · p135 OEM manual

Priority order: 1-Fuse RADIO (BE-3), 2-Mirror Switch (BE-106), 3-Mirror Motor Up/Down Control (BE-106), 3-Mirror Motor Left or Right Control (BE-106), 3-Wiring and Ground

Trouble area: Fuse RADIO, Mirror Switch, Mirror Motor (Up/Down Control), Mirror Motor (Left or Right Control), Wiring and Ground

↗ RM285U_1993_body_electrical · p142 OEM manual

Priority order: 1-Mirror Switch (BE-106), 2-Mirror Motor Up/Down Control (BE-106), 2-Mirror Motor Left or Right Control (BE-106), 3-Wiring and Ground

Trouble area: Mirror Switch, Mirror Motor (Up/Down Control), Mirror Motor (Left or Right Control), Wiring and Ground

↗ RM285U_1993_body_electrical · p142 OEM manual

Priority order: 1-Mirror Motor Up/Down Control (BE-106), 2-Wiring and Ground

Trouble area: Mirror Motor (Up/Down Control), Wiring and Ground

↗ RM285U_1993_body_electrical · p142 OEM manual

Priority order: 1-Mirror Motor Left or Right Control (BE-106), 2-Wiring and Ground

Trouble area: Mirror Motor (Left or Right Control), Wiring and Ground

↗ RM285U_1993_body_electrical · p142 OEM manual

*1: Power door lock control system does not operate. Check in order: 1-POWER Fuse (M-Fuse, BE-3), 2-GAUGE Fuse (BE-3), 3-Power Main Relay (BE-95), 6-Power Window Master Switch (BE-92), 7-Wire Harness, 5-Door Lock Control Relay (BE-95), 4-Ignition Switch (BE-11)

Trouble area: POWER Fuse (M-Fuse), GAUGE Fuse, Power Main Relay, Power Window Master Switch, Wire Harness, Door Lock Control Relay, Ignition Switch

↗ RM285U_1993_body_electrical · p150 OEM manual

*2: Power door lock control is normal. Check in order: 1-POWER Fuse (M-Fuse, BE-3), 2-GAUGE Fuse (BE-3), 5-Power Main Relay (BE-95), 6-Power Window Master Switch (BE-92), 7-Wire Harness, 4-Door Lock Control Relay (BE-95), 3-Ignition Switch (BE-11)

Trouble area: POWER Fuse (M-Fuse), GAUGE Fuse, Power Main Relay, Power Window Master Switch, Wire Harness, Door Lock Control Relay, Ignition Switch

↗ RM285U_1993_body_electrical · p150 OEM manual

Check in order: 1-Power Window Master Switch (BE-92)

Trouble area: Power Window Master Switch

↗ RM285U_1993_body_electrical · p150 OEM manual

Check in order: 1-Power Window Master Switch (BE-92), 2-Power Window Switch (BE-94), 3-Power Window Motor (BE-94), 4-Wire Harness

Trouble area: Power Window Master Switch, Power Window Switch, Power Window Motor, Wire Harness

↗ RM285U_1993_body_electrical · p150 OEM manual

Check in order: 1-Power Window Master Switch (BE-92)

Trouble area: Power Window Master Switch

↗ RM285U_1993_body_electrical · p150 OEM manual

Check in order: 1-Power Window Master Switch (BE-92)

Trouble area: Power Window Master Switch

↗ RM285U_1993_body_electrical · p150 OEM manual

Stop light does not light up

Trouble area: 1: STOP Fuse (BE-3); 2: Stop Light Switch (BE-54); 4: Bulb; 3: Wire Harness

↗ RM285U_1993_body_electrical · p157 OEM manual

Stop light remains always on

Trouble area: 1: Stop Light Switch (BE-54); 2: Wire Harness

↗ RM285U_1993_body_electrical · p157 OEM manual

Only one light does not light up

Trouble area: 2: Bulb; 1: Wire Harness

↗ RM285U_1993_body_electrical · p157 OEM manual

Theft deterrent system can not be set.

Trouble area: Power source circuit

↗ RM285U_1993_body_electrical · p162 OEM manual

Indicator light does not light even if theft deterrent system operated.

Trouble area: Indicator light circuit

↗ RM285U_1993_body_electrical · p162 OEM manual

Theft deterrent system does not operate when driver's and passengers's doors opened.

Trouble area: Door lock and unlock switch circuit

↗ RM285U_1993_body_electrical · p162 OEM manual

Theft deterrent system does not operate when driver's and passenger's doors opened.

Trouble area: Door lock switch circuit

↗ RM285U_1993_body_electrical · p162 OEM manual

Theft deterrent system does not operate when driver's and passenger's doors opened.

Trouble area: Door courtesy switch circuit

↗ RM285U_1993_body_electrical · p162 OEM manual

Theft deterrent system does not operate when front and rear luggage doors opened.

Trouble area: Luggage door courtesy switch circuit

↗ RM285U_1993_body_electrical · p162 OEM manual

Theft deterrent system does not operate when engine hood opened.

Trouble area: Engine hood courtesy switch circuit

↗ RM285U_1993_body_electrical · p162 OEM manual

Theft deterrent system does not cancel when driver's and passenger's doors unlocked with key.

Trouble area: Door key lock and unlock switch circuit

↗ RM285U_1993_body_electrical · p162 OEM manual

Theft deterrent system does not cancel when rear luggage door unlocked with key.

Trouble area: Luggage door key unlock switch circuit

↗ RM285U_1993_body_electrical · p162 OEM manual

Theft deterrent system does not cancel when ignition switch turned to ON or ACC position.

Trouble area: Ignition switch circuit

↗ RM285U_1993_body_electrical · p162 OEM manual

Theft deterrent system does not cancel when ignition switch turned to ON or ACC position.

Trouble area: Key unlock warning switch circuit

↗ RM285U_1993_body_electrical · p162 OEM manual

Starter cut system does not operate even if theft deterrent system operated.

Trouble area: Starter cut system circuit

↗ RM285U_1993_body_electrical · p162 OEM manual

Starter cut system does not cancel even if theft deterrent system canceled.

Trouble area: Starter cut system circuit

↗ RM285U_1993_body_electrical · p162 OEM manual

Horn does not blow even if theft deterrent system operated.

Trouble area: Theft deterrent horn circuit; Standard equipment horns circuit

↗ RM285U_1993_body_electrical · p162 OEM manual

Theft deterrent horn blows even if system is not set.

Trouble area: Theft deterrent horn circuit

↗ RM285U_1993_body_electrical · p162 OEM manual

Headlights do not flash even if theft deterrent system operated.

Trouble area: Light retractor relay circuit

↗ RM285U_1993_body_electrical · p162 OEM manual

Taillights do not flash even if theft deterrent system operated.

Trouble area: Light retractor relay circuit

↗ RM285U_1993_body_electrical · p162 OEM manual

Headlights flash even if system is not set.

Trouble area: Light retractor relay circuit

↗ RM285U_1993_body_electrical · p162 OEM manual

Taillights flash even if system is not set.

Trouble area: Light retractor relay circuit

↗ RM285U_1993_body_electrical · p162 OEM manual

"Hazard" and "Turn" do not light up.

Trouble area: 1: Hazard Warning Switch, 2: Turn Signal Flasher, 3: Wire Harness

↗ RM285U_1993_body_electrical · p177 OEM manual

The flashing frequency is abnormal.

Trouble area: 1: Bulb, 2: Turn Signal Flasher, 3: Wire Harness

↗ RM285U_1993_body_electrical · p177 OEM manual

Hazard warning light does not light up. (Turn is normal.)

Trouble area: 1: HAZ-HORN Fuse, 2: Wire Harness

↗ RM285U_1993_body_electrical · p177 OEM manual

Hazard warning light does not light up in one direction.

Trouble area: 1: Hazard Warning Switch, 2: Wire Harness

↗ RM285U_1993_body_electrical · p177 OEM manual

*1 Turn signal does not light up. Combination Meter, Wiper and Washer do not operate.

Trouble area: 1: Ignition Switch, 2: TURN Fuse, 3: Turn Signal Switch, 4: Wire Harness

↗ RM285U_1993_body_electrical · p177 OEM manual

*2 Turn signal does not light up. Combination Meter, Wiper and Washer are normal.

Trouble area: 1: TURN Fuse, 2: Turn Signal Switch, 3: Wire Harness

↗ RM285U_1993_body_electrical · p177 OEM manual

Turn signal does not light up in one direction.

Trouble area: 1: Turn Signal Switch, 2: Wire Harness

↗ RM285U_1993_body_electrical · p177 OEM manual

Only one bulb does not light.

Trouble area: 1: Bulb, 2: Wire Harness

↗ RM285U_1993_body_electrical · p177 OEM manual

Check in order: WIPER Fuse (1), Ignition Switch (2), Wiper and Washer Switch (3), Wiper Motor (4), Wire Harness (5). See pages BE-11, BE-3, BE-62, BE-64, BE-65.

Trouble area: Ignition Switch, WIPER Fuse, Wiper and Washer Switch, Wiper Motor, Wire Harness

↗ RM285U_1993_body_electrical · p181 OEM manual

Check in order: Wiper and Washer Switch (1), Wiper Motor (2), Wire Harness (3). See pages BE-62, BE-64, BE-65.

Trouble area: Wiper and Washer Switch, Wiper Motor, Wire Harness

↗ RM285U_1993_body_electrical · p181 OEM manual

Check in order: Wiper and Washer Switch (1), Washer Hose and Nozzle (2), Washer motor (3), Wire Harness (4). See pages BE-62, BE-65.

Trouble area: Wiper and Washer Switch, Washer Hose and Nozzle, Washer motor, Wire Harness

↗ RM285U_1993_body_electrical · p181 OEM manual

Noise from manual transaxle

Trouble area: 1: Oil (Level low); 2: Oil (Wrong); 3: Gear (Worn or damaged); 3: Bearing (Worn or damaged)

↗ RM285U_1993_transaxle_s54 · p70 OEM manual

Oil leakage from manual transaxle

Trouble area: 1: Oil (Level too high); 2: Gasket (Damaged); 2: Oil seal (Worn or damaged); 3: -O-Ring (Worn or damaged)

↗ RM285U_1993_transaxle_s54 · p70 OEM manual

Difficulty shifting or inability to shift gears

Trouble area: 1: Control cable (Faulty); 2: Synchronizer ring (Worn or damaged); 3: Shifting key spring (Damaged)

↗ RM285U_1993_transaxle_s54 · p70 OEM manual

Transmission jumps out of selected gear

Trouble area: 1: Locking ball spring (Damaged); 2: Shift fork (Worn); 3: Gear (Worn or damaged); 3: Bearing (Worn or damaged)

↗ RM285U_1993_transaxle_s54 · p70 OEM manual

Tires (Improperly inflated)

Trouble area: See page SA-3

↗ RM285U_1993_steering · p2 OEM manual

Fluid level (Low)

Trouble area: See page SA-40

↗ RM285U_1993_steering · p2 OEM manual

Drive belt (Loose)

↗ RM285U_1993_steering · p2 OEM manual

Front wheel alignment (Incorrect)

Trouble area: See page SA-4

↗ RM285U_1993_steering · p2 OEM manual

Steering system joints (Worn)

↗ RM285U_1993_steering · p2 OEM manual

Suspension arm ball joints (Worn)

Trouble area: See page SA-27

↗ RM285U_1993_steering · p2 OEM manual

Steering column (Binding)

↗ RM285U_1993_steering · p2 OEM manual

Steering gear housing

↗ RM285U_1993_steering · p2 OEM manual

Tires (Improperly inflated)

Trouble area: See page SA-3

↗ RM285U_1993_steering · p2 OEM manual

Front wheel alignment (Incorrect)

Trouble area: See page SA-4

↗ RM285U_1993_steering · p2 OEM manual

Steering column (Binding)

↗ RM285U_1993_steering · p2 OEM manual

Steering gear housing

↗ RM285U_1993_steering · p2 OEM manual

Steering system joints (Worn)

↗ RM285U_1993_steering · p2 OEM manual

Suspension arm ball joints (Worn)

Trouble area: See page SA-27

↗ RM285U_1993_steering · p2 OEM manual

Sliding yoke (Worn)

↗ RM285U_1993_steering · p2 OEM manual

Front wheel bearing (Worn)

Trouble area: See page SA-10

↗ RM285U_1993_steering · p2 OEM manual

Steering gear housing

↗ RM285U_1993_steering · p2 OEM manual

Fluid level (Low)

Trouble area: See page SA-40

↗ RM285U_1993_steering · p2 OEM manual

Steering system joints (Worn)

↗ RM285U_1993_steering · p2 OEM manual

Steering gear housing

↗ RM285U_1993_steering · p2 OEM manual

No electric current being supplied to power steering motor

Trouble area: Wire harness and connector between battery and power steering motor; Wire harness and connector between ECU and power steering motor; Power steering relay; Power steering motor; ECU

↗ RM285U_1993_steering · p26 OEM manual

Short-circuit in power steering relay coil circuit

Trouble area: Wire harness and connector between ECU and power steering relay; Power steering relay; ECU

↗ RM285U_1993_steering · p26 OEM manual

Power steering motor temperature is abnormally high

Trouble area: Wire harness and connector between ECU and power steering motor; Power steering motor; ECU

↗ RM285U_1993_steering · p26 OEM manual

Abnormally high current being supplied to power steering motor

Trouble area: Wire harness and connector between ECU and power steering driver; Power steering driver; ECU

↗ RM285U_1993_steering · p26 OEM manual

Wearing out of power steering motor brush

Trouble area: Wire harness and connector between ECU and power steering motor; Power steering motor; ECU

↗ RM285U_1993_steering · p26 OEM manual

Tires (Improperly inflated)

Trouble area: See page SA-3

↗ RM285U_1993_steering · p73 OEM manual

Fluid level (Low)

Trouble area: See page SA-40

↗ RM285U_1993_steering · p73 OEM manual

Drive belt (Loose)

↗ RM285U_1993_steering · p73 OEM manual

Front wheel alignment (Incorrect)

Trouble area: See page SA-4

↗ RM285U_1993_steering · p73 OEM manual

Steering system joints (Worn)

↗ RM285U_1993_steering · p73 OEM manual

Suspension arm ball joints (Worn)

Trouble area: See page SA-27

↗ RM285U_1993_steering · p73 OEM manual

Steering column (Binding)

↗ RM285U_1993_steering · p73 OEM manual

Steering gear housing

↗ RM285U_1993_steering · p73 OEM manual

Tires (Improperly inflated)

Trouble area: See page SA-3

↗ RM285U_1993_steering · p73 OEM manual

Front wheel alignment (Incorrect)

Trouble area: See page SA-4

↗ RM285U_1993_steering · p73 OEM manual

Steering column (Binding)

↗ RM285U_1993_steering · p73 OEM manual

Steering gear housing

↗ RM285U_1993_steering · p73 OEM manual

Steering system joints (Worn)

↗ RM285U_1993_steering · p73 OEM manual

Suspension arm ball joints (Worn)

Trouble area: See page SA-27

↗ RM285U_1993_steering · p73 OEM manual

Sliding yoke (Worn)

↗ RM285U_1993_steering · p73 OEM manual

Front wheel bearing (Worn)

Trouble area: See page SA-10

↗ RM285U_1993_steering · p73 OEM manual

Steering gear housing

↗ RM285U_1993_steering · p73 OEM manual

Fluid level (Low)

Trouble area: See page SA-40

↗ RM285U_1993_steering · p73 OEM manual

Steering system joints (Worn)

↗ RM285U_1993_steering · p73 OEM manual

Steering gear housing

↗ RM285U_1993_steering · p73 OEM manual

TURBOCHARGING HEAT INSULATOR RESONANCE

Trouble area: Check for loose, improperly installed or deformed insulator mount bolts, and repair or replace as necessary.

↗ RM285U_1993_3sgte_turbocha · p15 OEM manual

EXHAUST PIPE LEAKING OR VIBRATING

Trouble area: Check for deformed exhaust pipe, loose mount bolts or damaged gasket, and repair or replace as necessary.

↗ RM285U_1993_3sgte_turbocha · p15 OEM manual

ERRATIC TURBOCHARGER OPERATION

Trouble area: Refer to Item 6 of INSUFFICIENT ACCELERATION, LACK OF POWER OR EXCESSIVE FUEL CONSUMPTION.

↗ RM285U_1993_3sgte_turbocha · p15 OEM manual

FAULTY TURBOCHARGER SEAL

Trouble area: Check for oil leakage in exhaust system. Remove the turbine elbow from the turbocharger and check for excessive carbon deposits on the turbine wheel. Check for oil leakage in intake air system. Check for axial and radial plays in impeller wheel, and replace the turbocharger if necessary. (See page EG1-215)

↗ RM285U_1993_3sgte_turbocha · p15 OEM manual

Uses 2 trip detection logic

Trouble area: Refer to SMPI system diagnostic procedure

↗ RM285U_1993_3sgte_smpisyst · p21 OEM manual

Uses 2 trip detection logic

Trouble area: Refer to SMPI system diagnostic procedure

↗ RM285U_1993_3sgte_smpisyst · p21 OEM manual

Uses 2 trip detection logic

Trouble area: Refer to SMPI system diagnostic procedure

↗ RM285U_1993_3sgte_smpisyst · p21 OEM manual

RPM Signal — No G1, G2 or NE signal is input to the PCM E for 2 secs. or more after STA turns ON; Open in G circuit

Trouble area: Open or short in NE, G circuit; Distributor; Open or short in STA circuit; PCME

↗ RM285U_1993_3sgte_smpisyst · p25 OEM manual

RPM Signal — NE signal is not input to PCME for 0.05 sec. or more when engine speed is 1,000 rpm or more

Trouble area: Open or short in NE circuit; Distributor; PCME

↗ RM285U_1993_3sgte_smpisyst · p25 OEM manual

Ignition Signal — IG signal from igniter is not input to PCME for 8 consecutive ignition

Trouble area: Open or short in IG F or IGT circuit from igniter to ECU; Igniter; PCME

↗ RM285U_1993_3sgte_smpisyst · p25 OEM manual

Oxygen Sensor Signal — Open or short in heater circuit of oxygen sensor for 0.5 sec. or more (HT); At normal driving speed (below 60 mph and engine speed is above 1,900 rpm), amplitude of oxygen sensor signal (OX1) is reduced to between 0.35-0.70 V continuously for 60 secs. or more. *6 (2 trip detection logic) (Exc. Calif.)

Trouble area: Open or short in heater circuit of oxygen sensor; Oxygen sensor heater; PCME; Open or short in oxygen sensor circuit; Oxygen sensor; Open or short in air flow sensor circuit; Air flow sensor; PCME

↗ RM285U_1993_3sgte_smpisyst · p25 OEM manual

Engine Coolant Temp. Sensor Signal — Open or short in engine coolant temp. sensor circuit for 0.5 sec. or more (THW)

Trouble area: Open or short in engine coolant temp. sensor circuit; Engine coolant temp. sensor; PCME

↗ RM285U_1993_3sgte_smpisyst · p25 OEM manual

Intake Air Temp. Sensor Signal — Open or short in intake air temp. sensor circuit for 0.5 sec. or more (THA)

Trouble area: Open or short in intake air temp. sensor circuit; Intake air temp. sensor; PCME

↗ RM285U_1993_3sgte_smpisyst · p25 OEM manual

Air-Fuel Ratio Lean Malfunction — (1) Oxygen sensor output is less than 0.45 V for at least 90 secs. when oxygen sensor is warming (racing at 1,500 rpm) (only for code 25); (2) When the oxygen sensor signal oscillates beyond 0.45 V more than 10 times within a 4 sec. period at idle and at coolant temperature of 60°C (140°F) or above

Trouble area: Engine ground bolt loose; Open in E1 circuit; Open in injector circuit; Fuel line pressure (Injector blockage etc.); Open or short in oxygen sensor circuit; Oxygen sensor; Ignition system; Engine coolant temp. sensor; Air flow sensor (air intake); PCM E

↗ RM285U_1993_3sgte_smpisyst · p25 OEM manual

Air-Fuel Ratio Rich Malfunction — (3) When the air-fuel compensation value fluctuates more than 20% from the PCM E set range within an 80 sec. period at coolant temperature of 60°C (140°F) or above. *6 (2 trip detection logic) (1)-(3)

Trouble area: Engine ground bolt loose; Open in E1 circuit; Short in injector circuit; Fuel line pressure (Injector leakage etc.); Open or short in open or cold start injector circuit; Cold start injector; Open or short in oxygen sensor circuit; Oxygen sensor; Air flow sensor; Compression pressure; PCIME

↗ RM285U_1993_3sgte_smpisyst · p25 OEM manual

Air Flow Sensor Signal — At idling, open or short detected continuously for 0.5 sec. or more in air flow sensor circuit. Open – VC; Short – VC-E2

Trouble area: Open or short in air flow sensor circuit; Air flow sensor; PCME

↗ RM285U_1993_3sgte_smpisyst · p26 OEM manual

Air Flow Sensor Signal — Open or short detected continuously for 0.5 sec. or more in air flow sensor circuit. Open – E2; Short – VS–VC

Trouble area: Open or short in air flow sensor circuit; Air flow sensor; PCME

↗ RM285U_1993_3sgte_smpisyst · p26 OEM manual

Turbocharging Pressure Signal — Abnormal over charge during high load driving.

Trouble area: Open or short in manifold absolute pressure sensor circuit; Manifold absolute pressure sensor; Turbocharger; PCME

↗ RM285U_1993_3sgte_smpisyst · p26 OEM manual

Manifold Absolute Pressure Sensor Signal — Open or short detected continuously for 0.5 sec. or more in manifold absolute pressure sensor signal circuit (PIM).

Trouble area: Open or short in manifold absolute pressure sensor circuit; Manifold absolute pressure sensor; Turbocharger; PCME

↗ RM285U_1993_3sgte_smpisyst · p26 OEM manual

Throttle Position Sensor Signal — Open or short detected in throttle position sensor signal (VTA) for 0.5 sec. or more.

Trouble area: Open or short in throttle position sensor circuit; Throttle position sensor; PCME

↗ RM285U_1993_3sgte_smpisyst · p26 OEM manual

Vehicle Speed Pulse Generator Signal — SPO signal is not input to the PCM E for at least 8 seconds during high load driving with engine speed between 2,500 rpm and 5,000 rpm.

Trouble area: Open or short in vehicle speed pulse generator circuit; Vehicle speed pulse generator; PCM E

↗ RM285U_1993_3sgte_smpisyst · p26 OEM manual

Starter Signal — Starter signal (STA) is not input to PCME until TE1 and E1 are connected.

Trouble area: Open or short in starter signal circuit; Open or short in IG SW or MPI main relay circuit; PCME

↗ RM285U_1993_3sgte_smpisyst · p26 OEM manual

Switch Condition Signal — Displayed when A/C is ON or IDL contact OFF with the check terminals E1 and TE1 connected.

Trouble area: A/C switch circuit; Throttle position sensor IDL circuit; Accelerator pedal, cable; PCME

↗ RM285U_1993_3sgte_smpisyst · p26 OEM manual

Knock Sensor Signal — With engine speed between 2,520 rpm and 7,200 rpm, signal from knock sensor is not input to PCME for 2 revolutions (KNK).

Trouble area: Open or short in knock sensor circuit; Knock sensor (looseness, etc.); PCME

↗ RM285U_1993_3sgte_smpisyst · p26 OEM manual

Knock Control Signal — Engine speed is between 700 rpm and 7,200 rpm and PCME (for knock control) malfunction is detected.

Trouble area: PCME

↗ RM285U_1993_3sgte_smpisyst · p26 OEM manual

EGR System Malfunction — 120 secs. from start of EGR operation, EGR gas temp. is less than 80°C (176°F) with coolant temp. 72°C (162°F) or more. *6 (2 trip detection logic)

Trouble area: Open in EGR function sensor circuit; Open in VSV circuit for EG R; EGR vacuum hose disconnected, valve stuck; Clogged in EGR gas passage; PCME

↗ RM285U_1993_3sgte_smpisyst · p26 OEM manual

Oxygen Sensor Circuit — Deterioration of Oxygen Sensor

Trouble area: Oxygen sensor circuit

↗ RM285U_1993_3sgte_smpisyst · p27 OEM manual

Air-Fuel Ratio Lean Malfunction

Trouble area: Open or Short in Oxygen Sensor

↗ RM285U_1993_3sgte_smpisyst · p28 OEM manual

Air-Fuel Ratio Rich Malfunction

Trouble area: Open or Short in Oxygen Sensor

↗ RM285U_1993_3sgte_smpisyst · p28 OEM manual

Air-Fuel Ratio Lean Malfunction (California)

Trouble area: Open or Short in Injector Leak, Blockage, Loose Engine Ground Bolt

↗ RM285U_1993_3sgte_smpisyst · p29 OEM manual

Air-Fuel Ratio Rich Malfunction (California)

Trouble area: Open or Short in Injector Leak, Blockage, Loose Engine Ground Bolt

↗ RM285U_1993_3sgte_smpisyst · p29 OEM manual

EGR System Malfunction (California)

Trouble area: Short in VSV Circuit for EGR, Loose EGR Hose, Valve Stuck

↗ RM285U_1993_3sgte_smpisyst · p30 OEM manual

Referenced as normal/malfunction code in SMPI feedback diagnostic

Trouble area: Oxygen sensor / fuel feedback system

↗ RM285U_1993_3sgte_smpisyst · p89 OEM manual

Referenced as normal/malfunction code in SMPI feedback diagnostic

Trouble area: Fuel feedback system

↗ RM285U_1993_3sgte_smpisyst · p89 OEM manual

Referenced as malfunction code in SMPI feedback diagnostic

Trouble area: Fuel feedback system

↗ RM285U_1993_3sgte_smpisyst · p89 OEM manual

Throttle position sensor resistance at closed throttle (0 mm clearance)

Trouble area: Throttle Position Sensor — VTA to E2: 0.2–5.7 kΩ

↗ RM285U_1993_3sgte_smpisyst · p114 OEM manual

Throttle position sensor resistance at 0.50 mm clearance

Trouble area: Throttle Position Sensor — IDL to E2: 2.3 kΩ or less

↗ RM285U_1993_3sgte_smpisyst · p114 OEM manual

Throttle position sensor resistance at 0.70 mm clearance

Trouble area: Throttle Position Sensor — IDL to E2: Infinity

↗ RM285U_1993_3sgte_smpisyst · p114 OEM manual

Throttle position sensor resistance at fully open throttle valve

Trouble area: Throttle Position Sensor — VTA to E2: 2.0–10.2 kΩ

↗ RM285U_1993_3sgte_smpisyst · p114 OEM manual

Throttle position sensor resistance between VC and E2 terminals

Trouble area: Throttle Position Sensor — VC to E2: 2.5–5.9 kΩ

↗ RM285U_1993_3sgte_smpisyst · p114 OEM manual

No voltage between PCME terminals #1, #2 – E01, #3 – E02, #4 with IG SW ON

Trouble area: Injector circuit — solenoid resistor, injectors, wiring, fuse, ignition main relay, PCME

↗ RM285U_1993_3sgte_smpisyst · p125 OEM manual

Cooling system faulty

Trouble area: Troubleshoot cooling system — CO-2

↗ AW11_1988_full · p25 OEM manual

Incorrect ignition timing

Trouble area: Reset timing — IG-11

↗ AW11_1988_full · p25 OEM manual

Starting system faulty

Trouble area: Troubleshoot starting system — ST-2

↗ AW11_1988_full · p25 OEM manual

Ignition problems — Ignition coil

Trouble area: Inspect ignition coil — IG-7

↗ AW11_1988_full · p25 OEM manual

Ignition problems — Igniter

Trouble area: Inspect igniter — IG-4

↗ AW11_1988_full · p25 OEM manual

Ignition problems — Distributor

Trouble area: Inspect distributor — IG-7

↗ AW11_1988_full · p25 OEM manual

Spark plugs faulty

Trouble area: Inspect plugs — IG-5

↗ AW11_1988_full · p25 OEM manual

High-tension cords disconnected or broken

Trouble area: Inspect cords — IG-5

↗ AW11_1988_full · p25 OEM manual

Low compression

Trouble area: Check compression — EM-14

↗ AW11_1988_full · p25 OEM manual

Vacuum leaks — PCV hose

Trouble area: Check PCV system — EC-5

↗ AW11_1988_full · p25 OEM manual

Vacuum leaks — EGR valve

Trouble area: Check EGR system — EC-10, 16

↗ AW11_1988_full · p25 OEM manual

Vacuum leaks — Intake manifold

Trouble area: Check intake manifold — EM-43

↗ AW11_1988_full · p25 OEM manual

Vacuum leaks — Intake air control valve (4A-GE)

Trouble area: Check intake air control valve — EM-43

↗ AW11_1988_full · p25 OEM manual

Vacuum leaks — Throttle body

Trouble area: Check throttle body — FI-97

↗ AW11_1988_full · p25 OEM manual

Vacuum leaks — Brake booster line

Trouble area: Check brake booster line

↗ AW11_1988_full · p25 OEM manual

No fuel supply to injector — No fuel in tank; Fuel pump not working; Fuel filter clogged; Fuel line clogged or leaking

Trouble area: Troubleshoot EFI system — FI-9

↗ AW11_1988_full · p25 OEM manual

EFI system problems

Trouble area: Repair as necessary

↗ AW11_1988_full · p25 OEM manual

Pulling in air between air flow meter and throttle body

Trouble area: Repair as necessary

↗ AW11_1988_full · p25 OEM manual

Spark plugs faulty

Trouble area: Inspect plugs — IG-5

↗ AW11_1988_full · p25 OEM manual

High-tension cords faulty

Trouble area: Inspect cords — IG-5

↗ AW11_1988_full · p25 OEM manual

Ignition problems — Ignition coil

Trouble area: Inspect coil — IG-7

↗ AW11_1988_full · p25 OEM manual

Ignition problems — Igniter

Trouble area: Inspect igniter — IG-4

↗ AW11_1988_full · p25 OEM manual

Ignition problems — Distributor

Trouble area: Inspect distributor — IG-7

↗ AW11_1988_full · p25 OEM manual

Incorrect ignition timing

Trouble area: Reset timing — IG-11

↗ AW11_1988_full · p25 OEM manual

Incorrect valve clearance

Trouble area: Adjust valve clearance — EM-7

↗ AW11_1988_full · p25 OEM manual

Low compression

Trouble area: Check compression — EM-14

↗ AW11_1988_full · p25 OEM manual

Incorrect idle speed

Trouble area: Adjust idle speed — MA-7 or EM-11

↗ AW11_1988_full · p25 OEM manual

Vacuum leaks — PCV hose

Trouble area: Check PCV system — EC-5

↗ AW11_1988_full · p25 OEM manual

Vacuum leaks — EGR valve

Trouble area: Check EGR system — EC-10, 16

↗ AW11_1988_full · p25 OEM manual

Vacuum leaks — Intake manifold

Trouble area: Check intake manifold — EM-43

↗ AW11_1988_full · p25 OEM manual

Vacuum leaks — Intake air control valve (4A-GE)

Trouble area: Check intake air control valve — EM-43

↗ AW11_1988_full · p25 OEM manual

Vacuum leaks — Throttle body

Trouble area: Check throttle body — FI-97

↗ AW11_1988_full · p25 OEM manual

Vacuum leaks — Brake booster line

Trouble area: Check brake booster line

↗ AW11_1988_full · p25 OEM manual

EFI system problems

Trouble area: Repair as necessary

↗ AW11_1988_full · p25 OEM manual

Engine overheats

Trouble area: Check cooling system — CO-2

↗ AW11_1988_full · p25 OEM manual

Pulling in air between air flow meter and throttle body

Trouble area: Repair as necessary

↗ AW11_1988_full · p25 OEM manual

Spark plugs faulty

Trouble area: Inspect plugs — IG-5

↗ AW11_1988_full · p26 OEM manual

High tension cords faulty

Trouble area: Inspect cords — IG-5

↗ AW11_1988_full · p26 OEM manual

Incorrect ignition timing

Trouble area: Reset timing — IG-11

↗ AW11_1988_full · p26 OEM manual

Incorrect valve clearance

Trouble area: Adjust valve clearance — EM-7

↗ AW11_1988_full · p26 OEM manual

Low compression

Trouble area: Check compression — EM-14

↗ AW11_1988_full · p26 OEM manual

Air cleaner clogged

Trouble area: Check air cleaner — MA-5

↗ AW11_1988_full · p26 OEM manual

Engine overheats

Trouble area: Check cooling system — CO-2

↗ AW11_1988_full · p26 OEM manual

Vacuum leaks — PCV hose

Trouble area: Check PCV system — EC-5

↗ AW11_1988_full · p26 OEM manual

Vacuum leaks — EGR valve

Trouble area: Check EGR system — EC-10, 16

↗ AW11_1988_full · p26 OEM manual

Vacuum leaks — Intake manifold

Trouble area: Check intake manifold — EM-43

↗ AW11_1988_full · p26 OEM manual

Vacuum leaks — Intake air control valve (4A-GE)

Trouble area: Check intake air control valve — EM-43

↗ AW11_1988_full · p26 OEM manual

Vacuum leaks — Throttle body

Trouble area: Check throttle body — FI-97

↗ AW11_1988_full · p26 OEM manual

Vacuum leaks — Brake booster line

Trouble area: Check brake booster line

↗ AW11_1988_full · p26 OEM manual

Emission control system problem (Cold engine) — EGR system always on

Trouble area: Check EGR system — EC-10, 16

↗ AW11_1988_full · p26 OEM manual

EFI system problems

Trouble area: Repair as necessary

↗ AW11_1988_full · p26 OEM manual

Pulling in air between air flow meter and throttle body

Trouble area: Repair as necessary

↗ AW11_1988_full · p26 OEM manual

Fuel system clogged

Trouble area: Check fuel system

↗ AW11_1988_full · p26 OEM manual

Air cleaner clogged

Trouble area: Check air cleaner

↗ AW11_1988_full · p26 OEM manual

EFI system problems

Trouble area: Repair as necessary

↗ AW11_1988_full · p26 OEM manual

Deceleration fuel cut system completing off

Trouble area: Check fuel cut system — FI-128

↗ AW11_1988_full · p26 OEM manual

DP system faulty

Trouble area: Check DP system — EC-8

↗ AW11_1988_full · p26 OEM manual

Incorrect ignition timing

Trouble area: Reset timing — IG-11

↗ AW11_1988_full · p26 OEM manual

Incorrect valve clearance

Trouble area: Adjust valve clearance — EM-7

↗ AW11_1988_full · p26 OEM manual

Air cleaner clogged

Trouble area: Check air cleaner — MA-5

↗ AW11_1988_full · p26 OEM manual

EFI system problem

Trouble area: Repair as necessary

↗ AW11_1988_full · p26 OEM manual

Incorrect ignition timing

Trouble area: Reset timing — IG-11

↗ AW11_1988_full · p27 OEM manual

Incorrect valve clearance

Trouble area: Adjust valve clearance — EM-7

↗ AW11_1988_full · p27 OEM manual

Vacuum leaks — PCV hose

Trouble area: Check PCV system — EC-5

↗ AW11_1988_full · p27 OEM manual

Vacuum leaks — EGR valve

Trouble area: Check EGR system — EC-10, 16

↗ AW11_1988_full · p27 OEM manual

Vacuum leaks — Intake manifold

Trouble area: Check intake manifold — EM-43

↗ AW11_1988_full · p27 OEM manual

Vacuum leaks — Intake air control valve (4A-GE)

Trouble area: Check intake air control valve — EM-43

↗ AW11_1988_full · p27 OEM manual

Vacuum leaks — Throttle body

Trouble area: Check throttle body — FI-97

↗ AW11_1988_full · p27 OEM manual

Vacuum leaks — Brake booster line

Trouble area: Check brake booster line

↗ AW11_1988_full · p27 OEM manual