Diagnosis Procedure
WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
Regarding Wiring Diagram information, refer to "WIRING DIAGRAM ".
- CHECK CONTINUITY RGB SYNCHRONIZING SIGNAL CIRCUIT
- Turn ignition switch OFF.
- Disconnect display unit connector M93 and AV control unit connector M133.
- Check continuity between display unit harness connector M93 (A) terminal 19 and AV control unit harness connector M133 (B) terminal 41.
A B Continuity Connector Terminal Connector Terminal M93 19 M133 41 Yes - Check continuity between display unit harness connector M93 (A) terminal 19 and ground.
A - Continuity Connector Terminal M93 19 Ground No
Are continuity results as specified?
YES: GO TO 2
NO: Repair harness or connector.
- CHECK RGB SYNCHRONIZING SIGNAL
- Connect display unit connector M93 and AV control unit connector M133.
- Turn ignition switch ON.
- Check signal between display unit harness connector M93 terminal 19 and ground.
Courtesy of NISSAN NORTH AMERICA, INC.
(+) (-) Condition Reference signal Connector Terminal M93 19 Ground Receive audio signal Are voltage readings as specified?
YES: Replace display unit. Refer to "REMOVAL AND INSTALLATION ".
NO: Replace AV control unit. Refer to "REMOVAL AND INSTALLATION ".