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Home >> Infiniti >> 2014 >> Q60 Base, 2D Convertible, Automatic Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio, Visual & Navigation System (Base Audio Without Navigation) (Convertible) >> DTC/Circuit Diagnosis >> Vertical Synchronizing (VP) Signal Circuit >> Diagnosis Procedure
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Diagnosis Procedure

  1. CHECK CONTINUITY VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect display unit connector and AV control unit connector.
    3. Check continuity between display unit harness connector and AV control unit harness connector.
      Display unit AV control unit Continuity
      Connector Terminal Connector Terminal
      M71 20 M202 50 Existed
    4. Check continuity between display unit harness connector and ground.
      Display unit Ground Continuity
      Connector Terminal
      M71 20 Not existed

      Is the inspection result normal? 

      YES: GO TO 2.

      NO: Repair harness or connector.

  2. CHECK VERTICAL SYNCHRONIZING (VP) SIGNAL 
    1. Connect display unit connector and AV control unit connector.
    2. Turn ignition switch ON.
    3. Check signal between display unit harness connector and ground.
      (+) (-) Reference value
      Display unit
      Connector Terminal
      M71 20 Ground
      G04923331

      Is the inspection result normal? 

      YES: Replace AV control unit. Refer to "EXPLODED VIEW ".

      NO: Replace display unit. Refer to "EXPLODED VIEW ".

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