Component Tests and General Diagnostics

POWER SUPPLY AND GROUND CIRCUIT

Diagnosis Procedure


1. CHECK FUSES AND FUSIBLE LINK

Check that the following fuses and fusible link are not fusing.





Is the fuse fusing?
YES- Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is blown.
NO- GO TO 2.

2. CHECK POWER SUPPLY CIRCUIT

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





Is the measurement value normal?
YES- GO TO 3.
NO- Repair the harness or connector.

3. CHECK GROUND CIRCUIT

Check continuity between BCM harness connector and the ground.





Does continuity exist?
YES- INSPECTION END
NO- Repair the harness or connector.