With Surround Sound

POWER SUPPLY AND GROUND CIRCUIT

A/C AND AV SWITCH ASSEMBLY : Diagnosis Procedure

Regarding Wiring Diagram information, refer to "Wiring Diagram" With Surround Sound.

1. CHECK FUSE

Check that the following fuse is not blown.





Is the fuse blown?
YES- Replace the blown fuse after repairing the affected circuit.
NO- GO TO 2.

2. CHECK POWER SUPPLY CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect A/C and AV switch assembly connector.
3.Check voltage between A/C and AV switch assembly connector M98 terminal 3 and ground.





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

3. CHECK CONTROL UNIT GROUND CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect AV control unit connector M125.
3.Check continuity between A/C and AV switch assembly connector M98 terminal 9 and AV control unit connector M125 terminal 98.





Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace harness or connectors.

4. CHECK SWITCH GROUND CIRCUIT

Check continuity between A/C and AV switch assembly connector M98 terminal 1 and ground.
Revision: March 20122013 Infiniti JX





Is the inspection result normal?
YES- Inspection End.
NO- Repair or replace harness or connectors.