Check BCM Power Supply and Ground Circuit

AUTOMATIC DRIVE POSITIONER


Check BCM Power Supply and Ground Circuit

1.CHECK FUSE
Check if any of the following fuses in the BCM are blown.





OK or NG
OK - GO TO 2.
NG - If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to Schematic.
2.CHECK POWER SUPPLY CIRCUIT (BCM)
1. Turn ignition switch OFF.
2. Disconnect BCM connector.





3. Check voltage between BCM connector and ground.





OK or NG
OK - GO TO 3.
NG - Repair or replace the harness between BCM and fuse.
3.CHECK GROUND CIRCUIT (BCM)





Check continuity between BCM connector and ground.





OK or NG
OK - BCM power supply and ground circuit are OK.
NG - Repair or replace the harness between BCM and ground.