Component Function Check

1.CHECK 4WD WARNING LAMP FUNCTION

1. Turn the ignition switch ON.

2. Check that 4WD warning lamp turns on.

Is the inspection result normal? YES >> INSPECTION END

NO >> Proceed to diagnosis procedure. Refer to DLN-80, "Diagnosis Procedure".

Diagnosis Procedure

1.CHECK POWER SUPPLY AND GROUND CIRCUIT

Perform the trouble diagnosis for power supply and ground circuit. Refer to DLN-78, "Diagnosis Procedure".

Is the inspection result normal? YES >> GO TO 2.

NO >> Repair or replace the error-detected parts.

2.PERFORM SELF-DIAGNOSIS

With CONSULT-III

Perform self-diagnosis for “ALL MODE AWD/4WD”.

Is any DTC detected? YES >> Check the DTC. Refer to DLN-33, "DTC Index".

NO >> GO TO 3.

3.CHECK 4WD WARNING LAMP SIGNAL

With CONSULT-III

1. Turn the ignition switch ON.

CAUTION:
Never start the engine.

2. Check “WARNING LAMP” of CONSULT-III “DATA MONITOR” for “ALL MODE AWD/4WD”.

Does the item on “DATA MONITOR” indicate “On”? YES >> Perform the trouble diagnosis for combination meter power supply circuit. Refer to MWI-51, "COMBINATION METER : Diagnosis Procedure".

NO >> Replace 4WD control module. Refer to DLN-91, "Removal and Installation".