AV Communication Line Check (Between Display Control Unit and AV Switch)

1. Turn ignition switch OFF.
2. Disconnect display control unit connector M95 and AV switch connector M98.
3. Check continuity between display control unit and AV switch.
   CONTINUITY CHECK
   
   

   Terminals				Continuity
   Display control unit (+)		AV switch (-)
   Connector	Terminal	Connector	Terminal
   M95	28	M98	6	Yes
   	30		8

   Fig 1: Checking Continuity Between Display Control Unit Connector Terminals And AV Switch Connector Terminals

   Courtesy of NISSAN MOTOR CO., U.S.A.
4. Check continuity between display control unit and ground.
   CONTINUITY CHECK
   
   

   Terminals			Continuity
   Display control unit (+)		(-)
   Connector	Terminal
   M95	28	Ground	No
   	30

OK or NG 

OK:  GO TO 2.

NG:  Repair harness or connector.

1. Connect display control unit connector and AV switch connector.
2. Turn ignition switch ON.
3. Check signal between display control unit harness connector M95 terminal 28 and 30 with CONSULT-II or oscilloscope.

   28, 30 - Ground: Refer to  "TERMINALS AND REFERENCE VALUE FOR DISPLAY CONTROL UNIT ".

OK or NG 

OK:  Replace AV switch. Refer to "AV SWITCH ".

NG:  Replace display control unit. Refer to "DISPLAY CONTROL UNIT ".

Fig 2: Checking Signal Between Display Control Unit Harness Connector M95 Terminal 28 And 30

Courtesy of NISSAN MOTOR CO., U.S.A.