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Nissan Sentra B18 (2020-2025) Service Manual: B133a Avm Connection

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

B133A-8F

AVM connection

(CAN communication error)

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

Camera image signal circuit (terminal 52)

Threshold

—

Diagnosis delay time

—

POSSIBLE CAUSE

  • Camera image signal circuit

  • Around view monitor control unit

  • AV control unit

FAIL-SAFE

Camera image is not displayed

Dtc Confirmation Procedure

DTC Confirmation Procedure

  1. PERFORM DTC CONFIRMATION PROCEDURE

    1. CONSULT

      1. Ignition switch ON.

      2. Ignition switch OFF and wait at least 30 seconds.

      3. Ignition switch ON and wait at least 30 seconds or more.

      4. Select “Self Diagnostic Result” mode of “MULTI AV”.

      5. Check DTC.

    Is DTC B133A–8F detected?

    YES>>

    Refer to DTC Diagnosis Procedure.

    NO>>

    To check malfunction symptom before repair: Refer to Intermittent Incident.

    NO>>

    Confirmation after repair: Inspection End.

Diagnosis Procedure

Diagnosis Procedure

  1. CHECK CAMERA IMAGE SIGNAL CIRCUIT FOR OPEN

      1. Ignition switch OFF.

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

      3. Check the 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

    Is the inspection result normal?

    YES >>

    GO TO 2.

    NO >>

    Repair harness or connector.

  2. CHECK CAMERA IMAGE SIGNAL CIRCUIT FOR SHORT

    1. Check the continuity between AV control unit connector and ground.

      AV control unit

      −

      Continuity

      Connector

      Terminal

      M104

      52

      Ground

      No

    Is the inspection result normal?

    YES >>

    GO TO 3.

    NO >>

    Repair harness or connector.

  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” position

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

        AV control unit

        (-)

        Condition

        Reference value

        (+)

        Connector

        Terminal

        M104

        52

        Ground

        Camera image is displayed

    Is the 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.

    B132a External Usb
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    B1341 Head Unit
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