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. Refer to 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
Refer to Component Inspection.
Is the inspection result normal?
YES - GO TO 5.
NO - Replace malfunctioning door switch. Refer to Door Switch.
5.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
- INSPECTION END