Function Inspection

INSPECT DIFFERENTIAL LOCK OPERATION
Start the engine. Check that the differential lock indicator light comes on when the differential lock control switch is turned to ON. Check that the light goes off when the switch is turned to OFF.

HINT: After checking the system, turn the control switch to OFF and check that the differential lock function is released.

Reference: If the indicator light does not come on and go out when the control switch is operated, move the vehicle slightly forward. When the system is operated it should be normal.