Power Supply and Ground Circuit

POWER SUPPLY AND GROUND CIRCUIT

Diagnosis Procedure

Regarding Wiring Diagram information, refer to "Wiring Diagram" Inverter Unit.

1. CHECK FUSE AND FUSIBLE LINK

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.
NO- GO TO 2.

2. CHECK INVERTER UNIT POWER SUPPLY CIRCUIT

1.Disconnect inverter unit connector B82.
2.Check voltage between inverter unit connector B82 terminal 4 and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace the inverter unit power supply circuit.

3. CHECK INVERTER UNIT GROUND CIRCUIT

Check continuity between inverter unit connector B82 terminal 8 and ground.





Is the inspection result normal?
YES- Inspection End.
NO- Repair or replace the inverter unit ground circuit.
Revision: March 20122013 Infiniti JX