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Diagnosis Procedure

  1. CHECK CONTINUITY RGB SYNCHRONIZING SIGNAL CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect front display unit connector and AV control unit connector.
    3. Check continuity between front display unit harness connector and AV control unit harness connector.
      TERMINAL CONTINUITY REFERENCE TABLE

      Front display unit AV control unit Continuity
      Connector Terminal Connector Terminal
      M75 19 M88 65 Existed
    4. Check continuity between front display unit harness connector and ground.
      TERMINAL CONTINUITY REFERENCE TABLE

      Front display unit Ground Continuity
      Connector Terminal
      M75 19 Not existed

      Is inspection result normal? 

      YES: GO TO  2.

      NO: Repair harness or connector.

  2. CHECK RGB SYNCHRONIZING SIGNAL 
    1. Connect front display unit connector and AV control unit connector.
    2. Turn ignition switch ON.
    3. Check signal between front display unit harness connector and ground.
      TERMINAL CONNECTOR REFERENCE TABLE

      (+) (-) Reference value
      Front display unit
      Connector Terminal
      M75 19 Ground
      G04879209Courtesy of NISSAN MOTOR CO., U.S.A.

      Is inspection result normal? 

      YES: Replace front display unit.

      NO: Replace AV control unit.

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