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Home >> Infiniti >> 2021 >> Q50 Pure, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio System & Navigation System (DTCS) (2 Of 2) >> AVM (Around View Monitor Control Unit) >> DTC U111A: Rear Camera Image Signal Circuit >> DTC Diagnosis Procedure >> Models with Around View Monitor System
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Models with Around View Monitor System

  1. CHECK CONTINUITY REAR CAMERA POWER SUPPLY AND GROUND CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect around view monitor control unit connector and rear camera connector.
    3. Check continuity between around view monitor control unit harness connector and rear camera harness connector.

      Around view monitor control unit

      Rear camera

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      B51

      50

      T50

      8

      Existed

      52

      7

    4. Check continuity between around view monitor control unit harness connector and ground.

      Around view monitor control unit

      Ground

      Continuity

      Connector

      Terminal

      B51

      50

      Not existed

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Repair harness or connector.

  2. CHECK VOLTAGE REAR CAMERA POWER SUPPLY 
    1. Connect around view monitor control unit connector and rear camera connector.
    2. Turn ignition switch ON.
    3. Check voltage between around view monitor control unit harness connector and ground.

      Terminals

      Condition

      Voltage

      (Approx.)

      (+)

      (-)

      Around view monitor control unit

      Connector

      Terminal

      B51

      50

      Ground

      "CAMERA" switch is ON or shift position is "R".

      6.0 V

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Replace around view monitor control unit. Refer to AROUND VIEW MONITOR CONTROL UNIT : Removal & Installation .

  3. CHECK CONTINUITY REAR CAMERA IMAGE SIGNAL CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect around view monitor control unit connector and rear camera connector.
    3. Check continuity between around view monitor control unit harness connector and rear camera harness connector.

      Around view monitor control unit

      Rear camera

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      B51

      53

      T51

      5

      Existed

      54

      1

    4. Check continuity between around view monitor control unit harness connector and ground.

      Around view monitor control unit

      Ground

      Continuity

      Connector

      Terminal

      B51

      53

      Not existed

      54

    Is the inspection result normal?

    YES

    GO TO 4.

    NO

    Repair harness or connector.

  4. CHECK REAR CAMERA IMAGE SIGNAL 
    1. Connect around view monitor control unit connector and rear camera connector.
    2. Turn ignition switch ON.
    3. Check signal between around view monitor control unit harness connector.

      Around view monitor control unit

      Condition

      Reference value

      Connector

      Terminals

      (+)

      (-)

      Terminal

      B51

      53

      54

      "CAMERA" switch is ON or shift position is "R".

      GNSJSNIA0834GB-834Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal?

    YES

    Replace around view monitor control unit. Refer to AROUND VIEW MONITOR CONTROL UNIT : Removal & Installation .

    NO

    Replace rear camera. Refer to REAR CAMERA : Removal & Installation .