Diagnosis Procedure

WARNING: This page is about a different car, the 2008 Infiniti M45 and 2008 Infiniti M35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK CONTINUITY COMPOSITE SYNCHRONIZING SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear display unit connector and video distributor connector.
3. Check continuity between rear display unit harness connector terminal 15 and video distributor harness connector terminal 33.
  15 - 33: Continuity should exist.
4. Check continuity between rear display unit harness connector terminal 15 and ground.
  15 - Ground: Continuity should not exist.
Is the inspection result normal?

Yes: GO TO 2.

No: Repair harness or connector.

CHECK RGB SYNCHRONIZING SIGNAL

Connect rear display unit connector and video distributor connector.
Turn ignition switch ON.

Check signal between rear display unit harness connector terminal 15 and ground.

TERMINAL VALUE TABLE

Terminal	Condition		Reference value
15 - Ground	Ignition switch ON	When AUX or DVD image is displayed on rear display unit.	Courtesy of NISSAN MOTOR CO., U.S.A.

Is the inspection result normal?

Yes: Replace rear display unit.

No: Replace video distributor.