LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2018 >> QX30 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 29 (Around View Monitor System) >> Around View Monitor System >> DTC/Circuit Diagnosis >> U111C Front Camera Image Signal Circuit >> Diagnosis Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Infiniti Q60. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK CONTINUITY FRONT CAMERA POWER SUPPLY AND GROUND CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect around view monitor control unit connector and front camera connector.
    3. Check continuity between around view monitor control unit harness connector and front camera harness connector.

      Around view monitor control unit

      Front camera

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      B51

      68

      E116

      1

      Existed

      70

      2
    4. Check continuity between front camera harness connector and ground.

      Front camera

      Ground

      Continuity

      Connector

      Terminal

      E116

      1

      Not existed

      2

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Repair harness or connector.

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

      Around view monitor control unit

      Condition

      Voltage

      (Approx.)

      Connector

      Terminals

      (+)

      (-)

      Terminal

      B51

      68

      70

      "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 Removal and Installation .

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

      Around view monitor control unit

      Front camera

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      B51

      71

      E116

      3

      Existed

      72

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

      Around view monitor control unit

      Ground

      Continuity

      Connector

      Terminal

      B51

      71

      Not existed

      72

    Is the inspection result normal?

    YES

    GO TO 4.

    NO

    Repair harness or connector.

  4. CHECK FRONT CAMERA IMAGE SIGNAL 
    1. Connect around view monitor control unit connector and front 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

      71

      72

      "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 Removal and Installation .

    NO

    Replace front camera. Refer to Removal and Installation .

scientia non olet · About LEMON Manuals