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Nissan Sentra B18 (2020-2025) Service Manual: B13cf Buttons

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

B13CF-73

Buttons

(AV control unit)

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

—

Threshold

—

Diagnosis delay time

—

POSSIBLE CAUSE

AV control unit

FAIL-SAFE

AV control unit buttons error

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 B13CF–73 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. PERFORM DTC CONFIRMATION PROCEDURE AGAIN

    1. CONSULT

      1. Ignition switch ON.

      2. Erase DTC.

      3. Perform DTC confirmation procedure again. Refer to DTC Confirmation Procedure.

    Is DTC B13CF–73 detected again?

    YES >>

    Replace AV control unit. Refer to Removal and Installation.

    NO >>

    Inspection End.

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