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Nissan Sentra B18 (2020-2025) Service Manual: B2c41-04 Iflw

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

B2C41-04

IFLW

[Power window motor (front left hand)]

Diagnosis condition

When ignition switch ON or power window timer operates.

Signal (terminal)

—

Threshold

CPU in front power window motor LH detect internal malfunction.

Diagnosis delay time

10 seconds

POSSIBLE CAUSE

Front power window motor LH

FAIL SAFE

Front power window motor LH operation is stop or inching.

Confirmation Procedure

Confirmation Procedure

  1. PERFORM DTC CONFIRMATION PROCEDURE

    1. CONSULT

      1. Ignition switch ON.

      2. Keep pulling the main power window and door lock/unlock switch AUTO-UP for 5 seconds or more.

      3. Keep pressing the main power window and door lock/unlock switch AUTO-DOWN for 5 seconds or more.

      4. Select “Self Diagnostic Result” mode of “BCM”.

      5. Check DTC.

    Is DTC detected?

    YES >>

    Refer to DTC Diagnosis Procedure.

    NO >>

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

    NO >>

    Confirmation after repair: Inspection End.

Dtc Diagnosis Procedure

DTC Diagnosis Procedure

  1. REPLACE FRONT POWER WINDOW MOTOR LH

      1. Replace front power window motor LH. Refer to Removal and Installation.

      2. Perform DTC confirmation procedure. Refer to Confirmation Procedure.

    Is DTC detected?

    YES >>

    Check intermittent incident. Refer to Intermittent Incident.

    NO >>

    Inspection End.

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