Diagnosis Procedure

BACK DOOR REQUEST SWITCH


Description

Transmits lock/unlock operation to BCM.




BACK DOOR REQUEST SWITCH


Diagnosis Procedure

1.CHECK BCM OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect back door opener request switch connector.
3. Check signal between back door opener request switch harness connector and ground with oscilloscope.






Is the inspection result normal?
YES - GO TO 3.
NO - GO TO 2.
2.CHECK BACK DOOR OPENER REQUEST SWITCH CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector and back door opener request switch harness connector.





3. Check continuity between BCM harness connector and ground.





Is the inspection result normal?
YES - Replace BCM. Exploded View.
NO - Repair or replace harness.
3.CHECK BACK DOOR OPENER REQUEST SWITCH GROUND CIRCUIT
Check continuity between back door opener request switch harness connector and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace harness.
4.CHECK BACK DOOR OPENER REQUEST SWITCH
Component Inspection.
Is the inspection result normal?
YES - GO TO 5.
NO - Replace back door opener request switch. Removal and Installation.
5.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- INSPECTION END