FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

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 oscilloscope.






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





3. Check continuity between door switch harness connector and ground.





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





Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace harness.
4.CHECK DOOR SWITCH
Component Inspection.
Is the inspection result normal?
YES - GO TO 5.
NO - Replace malfunctioning door switch. Service and Repair.
5.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- INSPECTION END