Sunroof Motor Assembly

POWER SUPPLY AND GROUND CIRCUIT


SUNROOF MOTOR ASSEMBLY : Diagnosis Procedure

1.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect sunroof motor assembly connector.
3. Turn ignition switch ON.
4. Check voltage between sunroof motor assembly harness connector and ground.





Is the inspection result normal?
YES - GO TO 2.
NO - GO TO 3.
2.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between sunroof motor assembly harness connector and ground.





Is the inspection result normal?
YES - INSPECTION END
NO - Repair or replace harness.
3.CHECK SUNROOF MOTOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between BCM harness connector and sunroof motor assembly harness connector.





4. Check continuity between BCM harness connector and ground.





Is the inspection result normal?
YES - Replace BCM. Removal and Installation.
NO - Repair or replace harness.