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Diagnosis Procedure

WARNING: This page is about a different car, the 2011 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK CONTINUITY RGB SYNCHRONIZING SIGNAL CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect AV control unit connector and display unit connector.
    3. Check continuity between AV control unit harness connector and display unit harness connector.
      CONTINUITY REFERENCE CHART

      AV control unit Display unit Continuity
      Connector Terminal Connector Terminal
      M172 42 M194 19 Existed
    4. Check continuity between display unit harness connector and ground.
      CONTINUITY REFERENCE CHART

      Display unit Ground Continuity
      Connector Terminal
      M194 19 Not existed

      Is the inspection result normal? 

      YES: GO TO 2.

      NO: Repair harness or connector.

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

      (+) (-) Reference value
      Display unit
      Connector Terminal
      M194 19 Ground
      G04879209

      Is the inspection result normal? 

      YES: Replace display unit. Refer to "EXPLODED VIEW ".

      NO: Replace AV control unit. Refer to "EXPLODED VIEW ".

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