Power Supply And Ground Circuit

POWER SUPPLY AND GROUND CIRCUIT





Diagnosis Procedure
1.CHECK FUSE
Check that the following fuse are not blown.





Is the fuse fusing?
YES - Replace the blown fuse after repairing the affected circuit if a fuse is blown.
NO - GO TO 2.
2.CHECK POWER SUPPLY CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect the connector of CAN gateway.
3. Check voltage between CAN gateway 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 CAN gateway harness connector and ground.





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