Diagnosis Procedure
WARNING: This page is about a different car, the 2012 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT
- Turn ignition switch OFF.
- Disconnect AV control unit connector and video distributor connector.
- Check continuity between AV control unit harness connector and video distributor harness connector.
AV control unit Video distributor Continuity Connector Terminal Connector Terminal M209 34 M218 34 Existed - Check continuity between video distributor harness connector and ground.
Video distributor Ground Continuity Connector Terminal M218 34 Not existed Is the inspection result normal?
YES: GO TO 2.
NO: Repair harness or connector.
- CHECK COMPOSITE IMAGE SIGNAL
- Connect AV control unit connector and video distributor connector.
- Turn ignition switch ON.
- Check signal between video distributor harness connector and ground.
(+) (-) Condition Reference value Video distributor Connector Terminal M218 34 Ground When DVD, USB or front AUX image is displayed on headrest display unit LH or RH. Is the inspection result normal?
YES: Replace video distributor. Refer to "REMOVAL AND INSTALLATION ".
NO: Replace AV control unit. Refer to "REMOVAL AND INSTALLATION ".