Inspection Procedure

DIFF LOCK INDICATOR LAMP INOPERATIVE


Inspection Procedure

SYMPTOM:
DIFF LOCK indicator lamp does not turn ON for approx. 1 second when turning ignition switch to "ON".

DIAGNOSTIC PROCEDURE
1.PERFORM DIFFERENTIAL LOCK CONTROL UNIT SELF DIAGNOSIS
Perform self-diagnosis. Scan Tool Testing and Procedures.
Were any DTC's displayed?
YES - Testing and Inspection.
NO - GO TO 2.
2.CHECK DIFFERENTIAL LOCK CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT
Check the differential lock control unit for proper power and ground. P1833.
Is the inspection result normal?
YES - GO TO 3.
NO - Repair harness or connector.
3.CHECK DIFF LOCK INDICATOR LAMP POWER SUPPLY
Check power supply to the combination meter (DIFF LOCK indicator lamp). Combination Meter, "COMBINATION
METER : Diagnosis Procedure".
Is the inspection result normal?
YES - GO TO 4.
NO - Repair harness or connectors.
4.CHECK DIFF LOCK INDICATOR LAMP CONTROL
Check the DIFF LOCK indicator lamp control circuit. Component Tests and General Diagnostics.
Is the inspection result normal?
YES - Replace the differential lock control unit. Service and Repair.
NO - Repair malfunctioning component.