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Home >> Infiniti >> 2017 >> QX30 Base >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Audio, Visual & Navigation System (Rear View Monitor System) >> DTC/Circuit Diagnosis >> Camera Image Signal Circuit >> Diagnosis Procedure
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Diagnosis Procedure

  1. CHECK CAMERA IMAGE SIGNAL

    1. Turn ignition switch ON.
    2. Shift the selector lever to "R" position.
    3. Check the signal between display control unit harness connector and ground.
      Display control unit Condition Reference value
      Connector (+) (-)
      Terminal
      M51 24 4 At rear view camera image is displayed.
      GNSSKIB0827E-827Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal?

    YES 

    Replace display control unit. Refer to REMOVAL AND INSTALLATION .

    NO 

    GO TO STEP 2  .

  2. CHECK CAMERA IMAGE SIGNAL CIRCUIT FOR OPEN

    1. Turn ignition switch OFF.
    2. Disconnect display control unit connector and rear view camera connector.
    3. Check the continuity between display control unit harness connector and rear view camera harness connector.
      Display control unit Rear view camera Continuity
      Connector Terminal Connector Terminal
      M51 24 M23 4 Existed

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Repair or replace harness or connector.

  3. CHECK CAMERA IMAGE SIGNAL CIRCUIT FOR SHORT

    Check the continuity between display control unit harness connector and ground.

    (+) (-) Continuity
    Display control unit
    Connector Terminal
    M51 24 Ground Not existed

    Is the inspection result normal?

    YES 

    GO TO STEP 4  .

    NO 

    Repair or replace harness or connector.

  4. CHECK CAMERA IMAGE SIGNAL GROUND CIRCUIT

    Check the continuity between display control unit harness connector and rear view camera harness connector.

    Display control unit Rear view camera Continuity
    Connector Terminal Connector Terminal
    M51 4 M23 5 Existed

    Is the inspection result normal?

    YES 

    Replace rear view camera. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair or replace harness or connector.