Check BCM Power Supply and Ground Circuit

BCM (BODY CONTROL MODULE)


Check BCM Power Supply and Ground Circuit

1.CHECK FUSES AND FUSIBLE LINK
Check for blown fuses and fusible link.





Refer to LT-186, "Wiring Diagram - TAIL/L -". Diagrams By Diagram Name

OK or NG
OK - GO TO 2.
NG - If fuse or fusible link is blown, be sure to eliminate cause of malfunction before installing new fuse or fusible link. Refer to Schematic.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check voltage between BCM harness connector and ground.










OK or NG
OK - GO TO 3.
NG - Repair harness or connector.
3.CHECK GROUND CIRCUIT





Check continuity between BCM harness connector and ground.





OK or NG
OK - INSPECTION END
NG - Repair harness or connector.