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Component Tests and General Diagnostics


POWER SUPPLY AND GROUND CIRCUIT





Diagnosis Procedure
1.CHECK FUSE AND FUSIBLE LINK
Check that the following fuse and fusible link are not blown.





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





Is the measurement value normal?
YES - GO TO 3.
NO - Repair harness or connector.
3.CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.





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