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Nissan Sentra B18 (2020-2025) Service Manual: C1f00-44 Control Unit

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition
 

C1F00

44

CONTROL UNIT

(Control unit)

Diagnosis condition

When engine is running

Signal (terminal)

—

Threshold

ADAS control unit 2 internal malfunction

Diagnosis delay time

1 second or less

POSSIBLE CAUSE

ADAS control unit 2

FAIL-SAFE

The following systems are canceled.

  • Nissan Sentra Vehicle-to-vehicle distance control mode

  • Conventional (fixed speed) cruise control mode

  • AEB

  • LDW

  • TSR

  • BSW

  • I-DA

  • RCTA

  • I-FCW

  • RAB

Confirmation Procedure

Confirmation Procedure

  1. PERFORM DTC CONFIRMATION PROCEDURE

    1. Start the engine.

    2. Perform “All DTC Reading” with CONSULT.

    3. Check if the “C1F00-44” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS 2”.

    Is “C1F00-44” detected as the current malfunction?

    YES >>

    DTC Diagnosis Procedure

    NO-1 >>

    To check malfunction symptom before repair: Intermittent Incident

    NO-2 >>

    Confirmation after repair: INSPECTION END

Dtc Diagnosis Procedure

DTC Diagnosis Procedure

  1. CHECK SELF-DIAGNOSIS RESULTS

    Check if any DTC other than “C1F00-44”, is detected in “Self Diagnostic Result” of “ICC/ADAS 2”.

    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

    Dtc/circuit Diagnosis
    ...

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