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Nissan Sentra B18 (2020-2025) Service Manual: C1f4f-82 Bcm Can Circuit 1

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

 

C1F4F

82

BCM CAN CIR 1

(Body control module controller area network circuit 1)

Diagnosis condition

When engine is running

Signal (terminal)

CAN communication signal

Threshold

If ADAS control unit 2 detects an error signal that is received from BCM via CAN communication

Diagnosis delay time

1 second or less

POSSIBLE CAUSE

BCM

FAIL-SAFE

The following systems are canceled.

  • Nissan Sentra Vehicle-to-vehicle distance control mode

  • Conventional (fixed speed) cruise control mode

  • AEB

  • I-DA

  • RAB

Confirmation Procedure

Confirmation Procedure

  1. CHECK DTC PRIORITY

    If DTC “C1F4F-82” is displayed with Network-DTC, first diagnose the Network-DTC.

    Is applicable DTC detected?

    YES >>

    Perform diagnosis of applicable. Refer to DTC Index .

    NO >>

    GO TO 2 .

  2. PERFORM DTC CONFIRMATION PROCEDURE

    1. Turn the ignition switch ON.

    2. Perform “All DTC Reading” with CONSULT.

    3. Check if the “C1F4F-82” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS 2”.

    Is “C1F4F-82” detected as the current malfunction?

    YES >>

    Refer to Diagnosis Procedure.

    NO-1 >>

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

    NO-2 >>

    Confirmation after repair: INSPECTION END

Dtc Diagnosis Procedure

DTC Diagnosis Procedure

  1. CHECK DTC PRIORITY

    If DTC “C1F4F-82” is displayed with Network-DTC, first diagnose the Network-DTC.

    Is applicable DTC detected?

    YES >>

    Perform diagnosis of applicable. DTC Index

    NO >>

    GO TO 2 .

  2. PERFORM SELF-DIAGNOSIS OF BCM

    Check if any DTC is detected in “Self Diagnostic Result” of “BCM”.

    Is any DTC detected?

    YES >>

    Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. DTC Index

    NO >>

    Replace the ADAS control unit 2. Removal and Installation

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