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Home >> Infiniti >> 2009 >> G37 Base, 2D Convertible >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio, Visual & Navigation System (Base Without Navigation) -- Convertible >> DTC/Circuit Diagnosis >> DTC U1250: Camera Control Unit >> Diagnosis Procedure
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Diagnosis Procedure

  1. CHECK CAMERA CONNECTION RECOGNITION SIGNAL CIRCUIT
    1. Disconnect AV control unit connector and camera control unit connector.
    2. Check continuity between AV control unit harness connector and camera control unit harness connector.
      CONTINUITY SPECIFICATION

      AV control unit Camera control unit Continuity
      Connector Terminal Connector Terminal
      M84 68 B241 14 Existed

      Is the inspection result normal? 

      YES: GO TO 2.

      NO: Repair harness or connector.

  2. CHECK AV CONTROL UNIT VOLTAGE
    1. Connect AV control unit connector.
    2. Turn ignition switch ON.
    3. Check voltage between AV control unit harness connector and ground.
      VOLTAGE SPECIFICATION

      (+) (-) Voltage (Approx.)
      AV control unit
      Connector Terminal
      M84 68 Ground 5.0 V

      Is the inspection result normal? 

      YES: Replace camera control unit.

      NO: Replace AV control unit.

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