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 IMAGE SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect video distributor connector and front display unit connector.
3. Check continuity between video distributor harness connector terminal 8 and front display unit harness connector terminal 15.
  8 - 15: Continuity should exist.
4. Check continuity between video distributor harness connector terminal 6 and front display unit harness connector terminal 5.
  6 - 5: Continuity should exist.
5. Check continuity between front display unit harness connector terminal 15 and ground.
  15 - Ground: Continuity should not exist.
6. Check continuity between front display unit harness connector terminal 5 and ground.
  5 - Ground: Continuity should not exist.
Is the inspection result normal?

Yes: GO TO 2.

No: Repair harness or connector.

CHECK COMPOSITE IMAGE SIGNAL

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

Check signal between front display unit harness connector terminal 15 and 5.

TERMINAL VALUE TABLE

Terminal	Condition		Reference value
15 - 5	Ignition switch ON	When AUX or DVD image is displayed on front display unit.	Courtesy of NISSAN MOTOR CO., U.S.A.

Is the inspection result normal?

Yes: Replace front display unit.

No: Replace video distributor.