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Nissan Sentra B18 (2020-2025) Service Manual: Camera Image Signal Circuit

Diagnosis Procedure

Diagnosis Procedure

  1. CHECK CAMERA IMAGE SIGNAL CIRCUIT CONTINUITY

      1. Ignition switch OFF.

      2. Disconnect AV control unit connector and around view monitor control unit connector.

      3. Check continuity between AV control unit connector and around view monitor control unit connector.

        AV control unit

        Around view monitor control unit

        Continuity

        Connector

        Terminal

        Connector

        Terminal

        M104

        52

        B72

        4

        Yes

      4. Check continuity between AV control unit connector and ground.

        AV control unit

        —

        Continuity

        Connector

        Terminal

        M104

        52

        Ground

        No

    Is inspection result normal?

    YES >>

    GO TO 4.

    NO >>

    Repair or replace harness or connectors.

  2. CHECK CAMERA GROUND CIRCUIT CONTINUITY

    1. Check continuity between AV control unit connector and around view monitor control unit connector.

      AV control unit

      Around view monitor control unit

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      M104

      53

      B72

      3

      Yes

    Is inspection result normal?

    YES >>

    GO TO 5.

    NO >>

    Repair or replace harness or connectors.

  3. CHECK CAMERA IMAGE SIGNAL

      1. Connect AV control unit connector and around view monitor control unit connector.

      2. Ignition switch ON.

      3. Shift the selector lever to R (reverse).

      4. Check signal between AV control unit connector and ground.

        (+)

        (—)

        Condition

        Reference value

        AV control unit

        Connector

        Terminal

        M104

        52

        Ground

        Camera image displayed.

    Is inspection result normal?

    YES >>

    Replace AV control unit. Refer to Removal and Installation.

    NO >>

    Replace around view monitor control unit. Refer to Removal and Installation.

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