Power Supply And Ground Circuit

POWER SUPPLY AND GROUND CIRCUIT





Diagnosis Procedure
1.CHECK FUSE AND FUSIBLE LINK
Check that the following fuse is not blown.





Is the fuse blown?
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 ignition switch OFF.
2. Disconnect pre-crash seat belt control unit (driver side and passenger side) connectors.
3. Check voltage between harness pre-crash seat belt control unit (driver side and passenger side) connector and ground.





Is the measurement value normal?
YES - GO TO 3.
NO - Repair or replace harness.
3.CHECK GROUND CIRCUIT
Check continuity between pre-crash seat belt control unit (driver side and passenger side) harness connector and ground.





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