Diagnosis Procedure

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

   Display unit		AV control unit		Continuity
   Connector	Terminal	Connector	Terminal
   M75	8	M88	68	Existed

4. Check continuity between display unit harness connector and ground.
   CONTINUITY REFERENCE TABLE
   
   

   Display unit		Ground	Continuity
   Connector	Terminal
   M75	8		Not existed

Is inspection result normal? 

YES: GO TO  2.

NO: Repair harness or connector.

1. Connect display unit connector and AV control unit connector.
2. Turn ignition switch ON.
3. Check signal between display unit harness connector and ground.
   SIGNAL REFERENCE TABLE
   
   

   (+)		(-)	Reference value
   Display unit
   Connector	Terminal
   M75	8	Ground	Courtesy of NISSAN MOTOR CO., U.S.A.

Is inspection result normal? 

YES: Replace AV control unit.

NO: Replace Display unit.