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 VERTICAL SYNCHRONIZING (VP) 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 19 and video distributor harness connector terminal 29.
  19 - 29: Continuity should exist.
4. Check continuity between rear display unit harness connector terminal 19 and ground.
  19 - Ground: Continuity should not exist.
Is the inspection result normal?

Yes: GO TO 2.

No: Repair harness or connector.

CHECK VERTICAL SYNCHRONIZING (VP) SIGNAL

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

Check signal between rear display unit harness connector terminal 19 and ground.

SIGNAL TABLE

19 - Ground

Courtesy of NISSAN MOTOR CO., U.S.A.

Is the inspection result normal?

Yes: Replace video distributor.

No: Replace rear display unit.