Front Door Switch LH Signal Inspection

WARNING CHIME


Front Door Switch LH Signal Inspection

1.CHECK BCM INPUT SIGNAL
With CONSULT-III
1. Select "BCM".
2. With "DATA MONITOR" of "BUZZER", confirm "DOOR SW-DR" when the driver's door is operated.





Without CONSULT-III





Check voltage between BCM harness connector and ground.






OK or NG
OK - Front door switch LH signal is OK. Return to Initial Inspection and Diagnostic Overview.
NG - GO TO 2.
2.CHECK FRONT DOOR SWITCH LH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector and front door switch LH connector.





3. Check continuity between BCM harness connector (A) and front door switch LH harness connector (B).





4. Check continuity between BCM harness connector (A) and ground.





OK or NG
OK - GO TO 3.
NG - Repair harness or connector.
3.CHECK FRONT DOOR SWITCH LH
Check front door switch LH. Electrical Component Inspection.
OK or NG
OK - Replace BCM. Service and Repair.
NG - Replace front door switch LH.