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 AUX IMAGE SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect auxiliary input jacks connector and video distributor connector.
3. Check continuity between auxiliary input jacks harness connector terminal 7 and video distributor harness connector terminal 19.
  7 - 19: Continuity should exist.
4. Check continuity between auxiliary input jacks harness connector terminal 8 and video distributor harness connector terminal 21.
  8 - 21: Continuity should exist.
5. Check continuity between auxiliary input jacks harness connector terminal 7 and ground.
  7 - Ground: Continuity should not exist.
6. Check continuity between auxiliary input jacks harness connector terminal 8 and ground.
  8 - Ground: Continuity should not exist.
Is the inspection result normal?

Yes: GO TO 2.

No: Repair harness or connector.

CHECK AUX IMAGE SIGNAL

Connect auxiliary input jacks connector and video distributor connector.
Turn ignition switch ON.

Check signal between video distributor harness connector terminal 19 and 21.

TERMINAL VALUE TABLE

Terminal	Condition		Reference value
19 - 21	Ignition switch ON	When AUX image is displayed.	Courtesy of NISSAN MOTOR CO., U.S.A.

Is the inspection result normal?

Yes: Replace video distributor.

No: Check that there is no malfunction in the external device.