System -- Basic Engine Control System

SYMPTOM

Reference

HARD/NO START/RESTART (EXCP. HA)

ENGINE STALL

HESITATION/SURGING/FLAT SPOT

SPARK KNOCK/DETONATION

LACK OF POWER/POOR ACCELERATION

HIGH IDLE/LOW IDLE

ROUGH IDLE/HUNTING

IDLING VIBRATION

SLOW/NO RETURN TO IDLE

OVERHEATS/WATER TEMPERATURE HIGH

EXCESSIVE FUEL CONSUMPTION

EXCESSIVE OIL CONSUMPTION

BATTERY DEAD (UNDER CHARGE)

Warranty symptom code

AA

AB

AC

AD

AE

AF

AG

AH

AJ

AK

AL

AM

HA

Fuel

Fuel pump circuit

1

1

2

3

2

2

2

3

2

Refer to Component Function Check .

Fuel pressure regulator system

3

3

4

4

4

4

4

4

4

4

Refer to Work Procedure .

Fuel injector circuit

1

1

2

3

2

2

2

2

Refer to Component Function Check .

Evaporative emission system

3

3

4

4

4

4

4

4

4

4

Refer to System Description .

Fuel rail pressure sensor circuit

1

1

2

2

2

2

2

2

Refer to DTC Description .

High pressure fuel pump circuit

4

3

Refer to Component Function Check .

Air

Positive crankcase ventilation system

3

3

4

4

4

4

4

4

4

4

1

Refer to POSITIVE CRANKCASE VENTILATION : Periodic Maintenance Operation .

Incorrect idle speed adjustment

1

1

1

1

1

Refer to IDLE SPEED : Periodic Maintenance Operation .

Electric throttle control actuator

1

1

2

3

3

2

2

2

2

2

2

Refer to DTC Description .

Refer to DTC Description .

Intake manifold runner control valve circuit

4

4

Refer to DTC Description .

Ignition

Incorrect ignition timing adjustment

3

3

1

1

1

1

1

1

Refer to IGNITION TIMING : Periodic Maintenance Operation .

Ignition circuit

1

1

2

2

2

2

2

2

Refer to Component Function Check .

Main power supply and ground circuit

2

2

3

3

3

3

3

2

3

Refer to Diagnosis Procedure .

Main power supply and ground circuit

1

1

2

2

2

2

2

2

Refer to Diagnosis Procedure .

Engine coolant temperature sensor circuit

3

3

3

Refer to DTC Description .

Air fuel ratio (A/F) sensor 1 circuit

Refer to DTC Description .

Refer to DTC Description .

Refer to DTC Description .

Throttle position sensor circuit

2

2

Refer to DTC Description .,

Refer to DTC Description .,

Refer to DTC Description .

Refer to DTC Description .

Refer to DTC Description .

Accelerator pedal position sensor circuit

3

2

1

Refer to DTC Description .,

Refer to DTC Description .,

Refer to DTC Description .

Knock sensor circuit

2

3

Refer to DTC Description .

Engine oil temperature sensor circuit

4

2

3

Refer to DTC Description .

Crankshaft position sensor circuit

2

2

Refer to DTC Description .

Camshaft position sensor (PHASE) circuit

3

2

Refer to DTC Description .

Vehicle speed signal circuit

2

3

3

3

Refer to DTC Description .

ECM

2

2

3

3

3

3

3

3

3

3

3

Refer to DTC Description .,

Refer to DTC Description .

Intake valve timing control solenoid valve circuit

3

2

1

3

2

2

3

3

Refer to DTC Description .,

Refer to DTC Description .

Exhaust valve timing control solenoid valve circuit

3

2

1

3

2

2

3

3

Refer to DTC Description .,

Refer to DTC Description .

Exhaust valve timing control position sensor circuit

5

5

5

5

5

5

5

5

Refer to DTC Description .

Transmission range switch

3

3

3

3

3

Refer to DTC Description .

Refrigerant pressure sensor circuit

2

3

3

4

Refer to Component Function Check .

Electrical load signal circuit

3

Refer to Component Function Check .

Air conditioner circuit

2

2

3

3

3

3

3

3

3

3

2

Refer to Work Flow .

ABS actuator and electric unit (control unit)

4

Refer to Work Flow .