With Surround Sound

IMAGE SWITCH SIGNAL CIRCUIT

Diagnosis Procedure

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

1. CHECK CONTINUITY IMAGE SWITCH SIGNAL CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect video distributor connector B24 and headrest display unit connectors.
3.Check continuity between video distributor connector B24 and headrest display unit connectors.





4.Check continuity between video distributor connector B24 and ground.





Is the inspection result normal?
YES- GO TO 2.
NO- Repair or replace harness or connectors.

2. CHECK VIDEO DISTRIBUTOR VOLTAGE

1.Connect video distributor connector B24 and headrest display unit connectors.
2.Turn ignition switch ON.
3.Check voltage between video distributor connector B24 and ground.





Is the inspection result normal?
YES- Replace headrest display unit. Refer to "Removal and Installation" With Surround Sound.
NO- Replace video distributor. Refer to "Removal and Installation" With Surround Sound.
Revision: March 20122013 Infiniti JX