BCM Power Supply and Ground Circuit Inspection

TRUNK LID OPENER


BCM Power Supply and Ground Circuit Inspection

1.CHECK FUSES AND FUSIBLE LINK
- Check 40A fusible link (letter g , located in the fuse and fusible link box).
- Check 10A fuses [No. 6, 8 and 20, located in the fuse block (J/B)].
OK or NG
OK - GO TO 2.
NG - If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Description and Operation .
2.CHECK BCM POWER SUPPLY CIRCUIT





1. Turn ignition switch OFF.
2. Disconnect BCM.
3. Check voltage between BCM connectors and ground.








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





Check continuity between BCM connector M20 terminal 67 and ground.

67 - Ground : Continuity should exist.

OK or NG
OK - Power supply and ground circuit is OK.
NG - Repair or replace harness.