DIFF Lock Indicator Lamp Flashes While Driving

DIFF LOCK INDICATOR LAMP FLASHES WHILE DRIVING


Description

The DIFF LOCK indicator lamp will flash once every 2 seconds when the differential lock system is in standby condition. Standby condition is the time between when the differential lock mode switch is turned ON and when the differential lock control unit see's all conditions are met to engage the differential lock. The DIFF
LOCK indicator lamp should be OFF if there has been a malfunction detected. Refer to differential lock system operation for more information.




DIFF LOCK INDICATOR LAMP FLASHES WHILE DRIVING


Inspection Procedure

SYMPTOM:
DIFF LOCK indicator lamp sometimes flashes while driving.

DIAGNOSTIC PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to Scan Tool Testing and Procedures.
Is any malfunction detected by self-diagnosis?
YES - Check the malfunctioning system. Refer to Testing and Inspection.
NO - GO TO 2.
2.CHECK DIFFERENTIAL LOCK MODE SWITCH
Perform trouble diagnosis for differential lock mode switch. Refer to P1838.
Is the inspection result normal?
YES - Condition is intermittent. Refer to Intermittent Incident.
NO - Repair or replace malfunctioning component.