STEP 1. Check if 4WD/LOCK Indicator Lights flash simultaneously
(1) Turn the ignition switch from the "LOCK" (OFF) position to the "ON" position.
(2) Check that the 4WD/LOCK indicator lights flash simultaneously when the drive mode selector is switched to 4WD (AWD) position, or LOCK position.
Does the 4WD/LOCK Indicator Lights flash simultaneously?
- When the drive system fluid temperature warning display illuminates in the combination meter, cool down the electronic control coupling.
- When the drive system fluid temperature warning display does not illuminate in the combination meter, referring to "Inspection Procedure 1: Scan tool MB991958 cannot Communicate with the Electronic Control AWD System<ECU power supply circuit system check> ", perform the check .
Referring to the Inspection Chart for Trouble Symptoms, perform the check .