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. Check signal between BCM harness connector and ground with oscilloscope.






Is the inspection result normal?
YES - GO TO 4.
NO - GO TO 2.
2.CHECK DOOR SWITCH CIRCUIT
1. Disconnect BCM connector and door switch 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 - GO TO 3.
NO - Repair or replace harness between BCM and door switch.
3.CHECK DOOR SWITCH
Component Inspection.
Is the inspection result normal?
YES - GO TO 4.
NO - Replace malfunctioning door switch. Service and Repair.
4.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- INSPECTION END