Diagnosis Procedure

1. Turn ignition switch OFF.
2. Disconnect AV control unit connector and rear display unit connector.
3. Check continuity between AV control unit harness connector and rear display unit harness connector.

   AV control unit		Rear display unit		Continuity
   Connector	Terminal	Connector	Terminal
   M173	67	R36	7	Existed
   	66		8

4. Check continuity between AV control unit harness connector and ground.

   AV control unit		Ground		Continuity
   Connector	Terminal
   M173	67			Not existed
   	66

Is the inspection result normal?

YES 

GO TO STEP 2  .

NO 

Repair harness or connector.

1. Connect AV control unit connector and rear display unit connector.
2. Turn ignition switch ON.
3. Check signal between rear display unit harness connector.

   Probe				Condition	Standard	Reference value
   (+)		(-)
   Rear display unit
   Connector	Terminal	Connector	Terminal
   R36	7	R36	8	When DVD or AUX image is displayed.	Waveform according to composite image is input.	Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES 

Replace rear display unit. Refer to REMOVAL AND INSTALLATION .

NO 

Replace AV control unit. Refer to REMOVAL AND INSTALLATION .