Door Switch Check

SUNROOF


Door Switch Check

1.CHECK DOOR SWITCH INPUT SIGNAL
With CONSULT-III
Check ("DOOR SW-DR" and "DOOR SW-AS") in BCM "DATA MONITOR" mode with CONSULT-III.





Without CONSULT-III





Check voltage between BCM connector M18, M19 terminals 12, 47 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.
3. Check continuity between BCM connector M18, M19 terminals
12, 47 and door switch connectors B8, B108 terminal 2.






4. Check continuity between BCM connector M18, M19 terminals
12, 47 and ground.






OK or NG
OK - GO TO 3.
NG - Repair or replace harness.
3.CHECK DOOR SWITCH





Check continuity between door switches terminal 2 and ground part of door switch.





OK or NG
OK - GO TO 4.
NG - Replace malfunctioning door switch.
4.CHECK BCM OUTPUT SIGNAL





1. Connect BCM.
2. Check voltage between BCM connector M18, M19 terminals 12, 47 and ground.






OK or NG
OK - Further inspection is necessary. Trouble Diagnosis Chart By Symptom.
NG - Replace BCM. Service and Repair.