Check Door Switch

SUNROOF


Check Door Switch

1.CHECK DOOR SWITCH INPUT SIGNAL
Check voltage between BCM connector and ground.










OK or NG
OK - Door switch circuit is OK.
NG - GO TO 2.
2.CHECK DOOR SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door switch and BCM connector.
3. Check continuity between BCM connector and door switch connector.










4. Check continuity between BCM connector and ground.





OK or NG
OK - GO TO 3.
NG - Repair or replace harness.
3.CHECK DOOR SWITCH
Check continuity between door switches and ground part of door switch.










OK or NG
OK - GO TO 4.
NG - Replace malfunction door switch.
4.CHECK BCM OUTPUT SIGNAL
1. Connect BCM connector.
2. Check voltage between BCM connector and ground.










OK or NG
OK - Check the condition of the harness and the connector.
NG - Replace BCM.