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

Low pressure 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 EVAP CANISTER : Periodic Maintenance Operation .

FRP 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 Work Procedure .

Electric throttle control actuator

1

1

2

3

3

2

2

2

2

2

2

Refer to DTC Description .

Refer to DTC Description .

Ignition

Incorrect ignition timing adjustment

3

3

1

1

1

1

1

1

Refer to Work Procedure .

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 .

Mass air flow sensor circuit

1

1

2

2

2

2

2

2

Refer to DTC Description .

Engine coolant temperature sensor 1 circuit

3

3

3

Refer to DTC Description .

Air fuel ratio (A/F) sensor 1 circuit

Refer to DTC Description .

Refer to DTC Description .

Throttle position sensor circuit

2

2

Refer to DTC Description .

Accelerator pedal position sensor circuit

3

2

1

Refer to DTC Description .

Knock sensor circuit

2

3

Refer to DTC Description .

Refer to DTC Description .

Engine oil temperature sensor

4

2

3

Refer to DTC Description .

Engine oil pressure sensor

4

4

3

3

3

3

Refer to DTC Description .

Crankshaft position sensor circuit

2

2

Refer to DTC Description .

Camshaft position sensor circuit

3

2

Refer to DTC Description .

Refer to DTC Description .

Vehicle speed signal circuit

2

3

3

3

Refer to DTC Description .

Power steering pressure sensor circuit

2

3

3

Refer to DTC Description .

ECM

2

2

3

3

3

3

3

3

3

3

3

--

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

5

5

5

5

5

5

5

5

Refer to DTC Description .

Refer to DTC Description .

Exhaust gas temperature sensor

5

Refer to DTC Description .

VVEL control module

3

4

4

3

Refer to Component Description .

VVEL actuator motor

3

4

4

3

Refer to DTC Description .

Refer to DTC Description .

VVEL actuator motor relay

3

4

4

3

Refer to DTC Description .

VVEL control shaft position sensor

3

4

4

3

Refer to DTC Description .

Refer to DTC Description

PNP signal circuit

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 .

Battery current sensor

4

5

5

3

Refer to DTC Description .

Heated oxygen sensor 2

6

6

6

6

5

Refer to DTC Description .

Refer to DTC Description .