Diagnosis Procedure

DOOR SWITCH


Description

Detects door open/close condition and transmits the signal to BCM.




DOOR SWITCH


Diagnosis Procedure

1. CHECK FRONT DOOR SWITCH





Check voltage between BCM connector and ground.





Is the measurement value within the specification?
YES - Replace BCM. Refer to Service and Repair.
NO - GO TO 2
2. CHECK HARNESS CONTINUITY





1. Turn ignition switch OFF.
2. Disconnect BCM and front door switch.
3. Check continuity between BCM connector and front door switch connector.





4. Check continuity between front door switch connector and ground.





Is the inspection result normal?
YES - GO TO 3
NO - Repair or replace harness.
3. CHECK BCM OUTPUT SIGNAL





1. Connect BCM connector.
2. Check voltage between BCM connector and ground.





Is the measurement value within the specification?
YES - GO TO 4
NO - Replace BCM. Refer to Service and Repair.
4. CHECK FRONT DOOR SWITCH
Check front door switch. Refer to Component Inspection.
Is the inspection result normal?
YES - Check intermittent incident. Refer to Intermittent Incident.
NO - Replace front door switch.