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Diagnosis Procedure

  1. CHECK CONTINUITY HORIZONTAL SYNCHRONIZING (HP) 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 8 M88 68 Existed
    4. Check continuity between front display unit harness connector and ground.
      TERMINAL CONTINUITY REFERENCE TABLE

      Front display unit Ground Continuity
      Connector Terminal
      M75 8 Not existed

      Is inspection result normal? 

      YES: GO TO  2.

      NO: Repair harness or connector.

  2. CHECK HORIZONTAL SYNCHRONIZING (HP) 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 8 Ground
      G04879209Courtesy of NISSAN MOTOR CO., U.S.A.

      Is inspection result normal? 

      YES: Replace AV control unit.

      NO: Replace front display unit.

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