With Surround Sound

RGB DIGITAL IMAGE SIGNAL CIRCUIT

Diagnosis Procedure

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

1. CHECK RGB DIGITAL IMAGE SIGNAL CIRCUIT CONTINUITY

1.Turn ignition switch OFF.
2.Disconnect AV control unit connector M140 and display unit connector M141.
3.Check continuity between AV control unit connector M140 and display unit connector M141.





4.Check continuity between AV control unit connector M140 and ground.





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

2. CHECK RGB DIGITAL IMAGE SIGNAL

1.Connect AV control unit connector M140.
2.Turn ignition switch ON.
3.Check signal between display unit connector M141 and ground.





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