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 CAMERA IMAGE SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect camera control unit connector and front display unit connector.
3. Check continuity between camera control unit harness connector terminal 12 and display unit harness connector terminal 12.
  12 - 12: Continuity should exist.
4. Check continuity between camera control unit harness connector terminal 12 and ground.
  12 - Ground: Continuity should not exist.
Is the inspection result normal?

Yes: GO TO 2.

No: Repair harness or connector.

CHECK CAMERA IMAGE SIGNAL

Connect camera control unit connector and front display unit connector.
Turn ignition switch ON.

Check signal between camera control unit harness connector terminal 12 and ground.

SIGNAL REFERENCE TABLE

Terminal	Condition		Reference value
12 - Ground	Ignition switch ON	When rear view camera image is displayed.	Courtesy of NISSAN MOTOR CO., U.S.A.

Is the inspection result normal?

Yes: Replace display unit.

No: Replace camera control unit.