Diagnosis Procedure

1. Turn ignition switch OFF.
2. Disconnect rear auxiliary input jacks connector and video distributor connector.
3. Check continuity between rear auxiliary input jacks harness connector and video distributor harness connector.

   Rear auxiliary input jacks		Video distributor		Continuity
   Connector	Terminal	Connector	Terminal
   M98	7	M218	40	Existed

4. Check continuity between rear auxiliary input jacks harness connector and ground.

   Rear auxiliary input jacks		Ground	Continuity
   Connector	Terminal
   M98	7		Not existed

Is the inspection result normal?

YES 

GO TO STEP 2  .

NO 

Repair harness or connector.

1. Connect rear auxiliary input jacks connector and video distributor connector.
2. Turn ignition switch ON.
3. Check signal between rear auxiliary input jacks harness connector and ground.

   (+)		(-)	Condition	Reference value
   Rear auxiliary input jacks
   Connector	Terminal
   M98	7	Ground	At rear AUX image is displayed on headrest display unit.	Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES 

Replace video distributor. Refer to REMOVAL AND INSTALLATION .

NO 

Check that there is no malfunction in the external device.