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Home >> Infiniti >> 2012 >> G37 Base, 2D Coupe >> Repair and Diagnosis >> External Pages >> Different car >> Section 13 (Audio, Visual, Navigation System) >> [Base Audio & Navigation] >> DTC/Circuit Diagnosis >> Rear View Camera Image Signal Circuit >> Diagnosis Procedure
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Diagnosis Procedure

WARNING: This page is about a different car, the 2011 Nissan Leaf. However, it is still accessible from the selected car via links, so may be relevant.
  1. CONTINUITY CHECK OF REAR VIEW CAMERA POWER
    1. Turn power switch OFF.
    2. Disconnect the AV control unit and rear view camera connectors.
    3. Check for continuity between the AV control unit harness connector and rear view camera harness connector.
      CONTINUITY REFERENCE CHART

      AV control unit Rear view camera Continuity
      Connector Terminal Connector Terminal
      M84 57 D113 1 Exists
    4. Check for continuity between the AV control unit harness connector and ground.
      CONTINUITY REFERENCE CHART

      AV control unit Ground Continuity
      Connector Terminal
      M84 57 Does not exist

      Is the check result normal? 

      YES: GO TO 2.

      NO: Repair the harnesses or connectors.

  2. CONTINUITY CHECK OF REAR VIEW CAMERA POWER
    1. Connect the AV control unit connector.
    2. Turn power switch ON.
    3. Check voltage between the AV control unit harness connector and ground.
      VOLTAGE REFERENCE CHART

      Probe Test condition Standard Reference value
      (+) (-)
      AV control unit
      Connector Terminal Connector Terminal
      M84 57 M84 58 In rear view camera image 5.9 - 6.5 V Approximately 6 V

      Is the check result normal? 

      YES: GO TO 3.

      NO: Repair the AV control unit. Refer to "REMOVAL AND INSTALLATION ".

  3. CONTINUITY CHECK OF REAR VIEW CAMERA IMAGE
    1. Turn power switch OFF.
    2. Disconnect the AV control unit connector.
    3. Check for continuity between the AV control unit harness connector and rear view camera harness connector.
      CONTINUITY REFERENCE CHART

      AV control unit Rear view camera Continuity
      Connector Terminal Connector Terminal
      M84 59 D113 3 Exists
    4. Check for continuity between the AV control unit harness connector and ground.
      CONTINUITY REFERENCE CHART

      AV control unit Ground Continuity
      Connector Terminal
      M84 59 Does not exist

      Is the check result normal? 

      YES: GO TO 4.

      NO: Repair the harnesses or connectors.

  4. CHECK REAR VIEW CAMERA SIGNAL IMAGE
    1. Connect AV control unit and rear view camera connectors.
    2. Turn power switch ON.
    3. Check for signals between the AV control unit harness connector and ground.
      SIGNALS REFERENCE CHART

      Probe Test condition Standard Reference value
      (+) (-)
      AV control unit
      Connector Terminal Connector Terminal
      M84 59 M84 58 Showing rear view camera image Input the waveform synchronized with the rear view camera image.
      G07088406Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the check result normal? 

      YES: Replace the AV control unit. Refer to "REMOVAL AND INSTALLATION ".

      NO: Replace the rear view camera. Refer to "REMOVAL AND INSTALLATION ".

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