Power Supply and Ground Circuit

POWER SUPPLY AND GROUND CIRCUIT

Diagnosis Procedure

Regarding Wiring Diagram information, refer to "Wiring Diagram" [1][2]Electrical Diagrams.

1. CHECK POWER SUPPLY CIRCUIT - 1

Check voltage between pre-crash seat belt control unit (driver side and passenger side) harness connector and ground.





Is the inspection result normal?
YES- GO TO 3
NO- GO TO 2

2. CHECK POWER SUPPLY CIRCUIT - 2

1.Disconnect fuse block (J/B) harness connector.
2.Check continuity between pre-crash seat belt control unit (driver side and passenger side) harness connector and fuse block (J/B) harness connector.





3.Check continuity between pre-crash seat belt control unit (driver side and passenger side) harness connector and ground.





Is the inspection result normal?
YES- GO TO 3
NO- Repair harness or connector.

3. CHECK GROUND CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect pre-crash seat belt control unit (driver side and passenger side) harness connector.
3.Check continuity between pre-crash seat belt control unit (driver side and passenger side) harness connector and ground.





Revision: March 20122013 Infiniti JX
Is the inspection result normal?
YES- Inspection End.
NO- Repair harness or connector.
Revision: March 20122013 Infiniti JX