With Surround Sound

U125A HEADREST DISPLAY UNIT

DTC Logic








Diagnosis Procedure

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

1. CHECK HEADREST DISPLAY UNIT POWER SUPPLY AND GROUND CIRCUIT

Check headrest display unit power supply and ground circuits. Refer to "HEADREST DISPLAY UNIT : Diagnosis Procedure" With Surround Sound.
Is the inspection result normal?
YES- GO TO 2.
NO- Repair or replace harness or connectors.

2. CHECK AV COMMUNICATION CIRCUIT CONTINUITY

1.Turn ignition switch OFF.
2.Disconnect headrest display unit connectors.
3.Check continuity between headrest display unit (driver seat) connector B202 and headrest display unit (passenger seat) connector B302.





4.Check continuity between headrest display unit (driver seat) connector B202 and ground.





Is the inspection result normal?
YES- Replace headrest display unit (passenger seat). Refer to "Removal and Installation" With Surround Sound.
NO- Repair or replace harness or connectors.
Revision: March 20122013 Infiniti JX