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Home >> Infiniti >> 2021 >> Q50 Pure, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Audio System & Navigation System (DTCS) (2 Of 2) >> AVM (Around View Monitor Control Unit) >> DTC U1302: Camera Power Volt >> DTC Diagnosis Procedure >> Models with Around View Monitor System
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Models with Around View Monitor System

  1. CHECK AROUND VIEW MONITOR CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT 

    Check around view monitor control unit power supply and ground circuit. Refer to Diagnosis Procedure .

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Repair malfunctioning parts.

  2. CHECK REAR CAMERA POWER SUPPLY OUTPUT CIRCUIT (CHECK FOR SHORT CIRCUIT) 
    1. Disconnect around view monitor control unit connector and rear camera connector.
    2. Check whether or not continuity between around view monitor control unit harness connector and ground is normal.

      Around view monitor control unit

      Ground

      Continuity

      Connector

      Terminal

      B51

      50

      Not existed

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Repair the harnesses or connectors.

  3. CHECK REAR CAMERA POWER SUPPLY 1 
    1. Connect around view monitor control unit connector.
    2. Turn ignition switch ON.
    3. Check whether or not voltage between around view monitor control unit harness connectors is normal.

      Around view monitor control unit

      Reference value

      (Approx.)

      Connector

      Terminals

      (+)

      (-)

      Terminal

      B51

      50

      52

      6.0 V

    Is the inspection result normal?

    YES

    GO TO 4.

    NO

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

  4. CHECK REAR CAMERA POWER SUPPLY 2 
    1. Turn ignition switch OFF.
    2. Connect rear camera connector.
    3. Turn ignition switch ON.
    4. Check whether or not voltage between around view monitor control unit harness connectors is normal.

      Around view monitor control unit

      Reference value

      (Approx.)

      Connector

      Terminals

      (+)

      (-)

      Terminal

      B51

      50

      52

      6.0 V

    Is the inspection result normal?

    YES

    GO TO 5.

    NO

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

  5. CHECK FRONT CAMERA POWER SUPPLY OUTPUT CIRCUIT (CHECK FOR SHORT CIRCUIT) 
    1. Turn ignition switch OFF.
    2. Disconnect around view monitor control unit connector and front camera connector.
    3. Check whether or not continuity between around view monitor control unit harness connector and ground is normal.

      Around view monitor control unit

      Ground

      Continuity

      Connector

      Terminal

      B51

      68

      Not existed

    Is the inspection result normal?

    YES

    GO TO 6.

    NO

    Repair the harnesses or connectors.

  6. CHECK FRONT CAMERA POWER SUPPLY 1 
    1. Connect around view monitor control unit connector.
    2. Turn ignition switch ON.
    3. Check whether or not voltage between around view monitor control unit harness connectors is normal.

      Around view monitor control unit

      Reference value

      (Approx.)

      Connector

      Terminals

      (+)

      (-)

      Terminal

      B51

      68

      70

      6.0 V

    Is the inspection result normal?

    YES

    GO TO 7.

    NO

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

  7. CHECK FRONT CAMERA POWER SUPPLY 2. 
    1. Turn ignition switch OFF.
    2. Connect front camera connector.
    3. Turn ignition switch ON.
    4. Check whether or not voltage between around view monitor control unit harness connectors is normal.

      Around view monitor control unit

      Reference value

      (Approx.)

      Connector

      Terminals

      (+)

      (-)

      Terminal

      B51

      68

      70

      6.0 V

    Is the inspection result normal?

    YES

    GO TO 8.

    NO

    Replace front camera. Refer to FRONT CAMERA : Removal & Installation .

  8. CHECK SIDE CAMERA RH POWER SUPPLY OUTPUT CIRCUIT (CHECK FOR SHORT CIRCUIT) 
    1. Turn ignition switch OFF.
    2. Disconnect around view monitor control unit connector and door mirror (driver side) connector.
    3. Check whether or not continuity between around view monitor control unit harness connector and ground is normal.

      Around view monitor control unit

      Ground

      Continuity

      Connector

      Terminal

      B51

      62

      Not existed

    Is the inspection result normal?

    YES

    GO TO 9.

    NO

    Repair the harnesses or connectors.

  9. CHECK SIDE CAMERA RH POWER SUPPLY 1 
    1. Connect around view monitor control unit connector.
    2. Turn ignition switch ON.
    3. Check whether or not voltage between around view monitor control unit harness connectors is normal.

      Around view monitor control unit

      Reference value

      (Approx.)

      Connector

      Terminals

      (+)

      (-)

      Terminal

      B51

      62

      64

      6.0 V

    Is the inspection result normal?

    YES

    GO TO 10.

    NO

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

  10. CHECK SIDE CAMERA RH POWER SUPPLY 2 
    1. Turn ignition switch OFF.
    2. Connect door mirror (driver side) connector.
    3. Turn ignition switch ON.
    4. Check whether or not voltage between around view monitor control unit harness connectors is normal.

      Around view monitor control unit

      Reference value

      (Approx.)

      Connector

      Terminals

      (+)

      (-)

      Terminal

      B51

      62

      64

      6.0 V

    Is the inspection result normal?

    YES

    GO TO 11.

    NO

    Replace side camera RH. Refer to SIDE CAMERA : Removal & Installation .

  11. CHECK SIDE CAMERA LH POWER SUPPLY OUTPUT CIRCUIT (CHECK FOR SHORT CIRCUIT) 
    1. Turn ignition switch OFF.
    2. Disconnect around view monitor control unit connector and door mirror (passenger side) connector.
    3. Check whether or not continuity between around view monitor control unit harness connector and ground is normal.

      Around view monitor control unit

      Ground

      Continuity

      Connector

      Terminal

      B51

      56

      Not existed

    Is the inspection result normal?

    YES

    GO TO 12.

    NO

    Repair the harnesses or connectors.

  12. CHECK SIDE CAMERA LH POWER SUPPLY 1 
    1. Connect around view monitor control unit connector.
    2. Turn ignition switch ON.
    3. Check whether or not voltage between around view monitor control unit harness connectors is normal.

      Around view monitor control unit

      Reference value

      (Approx.)

      Connector

      Terminals

      (+)

      (-)

      Terminal

      B51

      56

      58

      6.0 V

    Is the inspection result normal?

    YES

    GO TO 13.

    NO

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

  13. CHECK SIDE CAMERA LH POWER SUPPLY 2 
    1. Turn ignition switch OFF.
    2. Connect door mirror (passenger side) connector.
    3. Turn ignition switch ON.
    4. Check whether or not voltage between around view monitor control unit harness connectors is normal.

      Around view monitor control unit

      Reference value

      (Approx.)

      Connector

      Terminals

      (+)

      (-)

      Terminal

      B51

      56

      58

      6.0 V

    Is the inspection result normal?

    YES

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

    NO

    Replace side camera LH. Refer to SIDE CAMERA : Removal & Installation .