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.
   TERMINALS CONTINUITY SPECIFICATION
   
   

   Display unit		AV control unit		Continuity
   Connector	Terminal	Connector	Terminal
   M71	9	M83	43	Existed

4. Check continuity between display unit harness connector and ground.
   TERMINALS CONTINUITY SPECIFICATION
   
   

   Display unit		Ground	Continuity
   Connector	Terminal
   M71	9		Not existed

Is the 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.
   TERMINALS REFERENCE
   
   

   (+)		(-)	Condition	Reference value (Approx.)
   Display unit
   Connector	Terminal
   M71	9	Ground	At RGB image is displayed	5.0 V
   			At AUX image is displayed	Courtesy of NISSAN MOTOR CO., U.S.A.

Is the inspection result normal? 

YES: Replace display unit.

NO: Replace AV control unit.