Check Door Switch

POWER WINDOW SYSTEM


Check door Switch

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





Without CONSULT-III
Check voltage between BCM connector and ground.











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





4. Check continuity between BCM connector ground.










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










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 ground.










OK or NG
OK - Further inspection is necessary, Refer to symptom chart.
NG - Replace BCM.