Diagnosis Procedure

DOOR SWITCH


Description

Detects door open/close condition.




DOOR SWITCH


Diagnosis Procedure

1.CHECK DOOR SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect malfunctioning door switch connector.
3. Check signal between malfunctioning door switch harness connector and ground using an oscilloscope.





Is the inspection result normal?
YES-1 - Back door: GO TO 3.
YES-2 - Other doors: GO TO 4.
NO - GO TO 2.
2.CHECK DOOR SWITCH CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector and door switch harness connector.





3. Check continuity between BCM harness connector and ground.





Is the inspection result normal?
YES - Replace BCM. Refer to Removal and Installation.
NO - Repair or replace harness.
3.CHECK BACK DOOR SWITCH GROUND CIRCUIT
Check continuity between back door lock assembly (back door switch) harness connector and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace harness.
4.CHECK DOOR SWITCH
Refer to Component Inspection.
Is the inspection result normal?
YES - GO TO 5.
NO - Replace malfunctioning door switch.
- Door switch: Refer to Service and Repair.
- Back door lock assembly (back door switch): Refer to Removal and Installation.
5.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
- INSPECTION END