Power Supply and Ground Circuit

POWER SUPPLY AND GROUND CIRCUIT

Diagnosis Procedure


1. CHECK FUSE

Check that the following fuse and fusible link are not blown.





Is the fuse blown?
YES- Replace the blown fuse 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 pre-crash seat belt control unit connectors.
3.Check voltage between harness pre-crash seat belt control unit 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 harness connector and ground.





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