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

CHECK AV SWITCH CIRCUIT
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.
  
  Fig 1: Checking Continuity Between Display Control Unit Terminals 28, 30 And AV Switch Terminals 6, 8 & Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 2: Connector Terminal (Wire Color) Specification
  Courtesy of NISSAN MOTOR CO., U.S.A.
4. Check continuity between display control unit and ground.
  
  Fig 3: Connector Terminal Continuity Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 2.
2. NG: Repair harness or connector.
CHECK SELF-DIAGNOSIS OF DCU
1. Replace AV switch.
2. Connect display control unit and AV switch connector.
3. Turn ignition switch ON.
4. Start self-diagnosis of DCU and check the self-diagnosis result.
OK or NG
1. OK: Inspection End.
2. NG: Replace display control unit. Refer to "REMOVAL AND INSTALLATION OF DISPLAY CONTROL UNIT ".