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Nissan Sentra B18 (2020-2025) Service Manual: C1f48-62 Vehicle Speed Sensor

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition
 

C1F48

62

VHCL SPEED SE CIRC

(Nissan Sentra Vehicle speed sensor circuit)

Diagnosis condition

  • When engine is running

  • When AEB system is ON

Signal (terminal)

CAN communication signal

Threshold

If the Nissan Sentra vehicle speed signal (wheel speed) from ABS actuator and electric unit (control unit) and the output speed sensor signal from TCM, received by the ADAS control unit 2 via CAN communication, are inconsistent

Diagnosis delay time

1 second or less

POSSIBLE CAUSE

  • Wheel speed sensor

  • ABS actuator and electric unit (control unit)

  • Output speed sensor

  • TCM

  • 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

  • RCTA

  • I-FCW

  • RAB

Confirmation Procedure

Confirmation Procedure

  1. CHECK DTC PRIORITY

    If DTC “C1F48-62” is displayed with Network-DTC, “C1F48-04” or “C1F48-29” first diagnose the Network-DTC, “C1F48-04” or “C1F48-29”.

    Is applicable DTC detected?

    YES >>

    Perform diagnosis of applicable.

    • Network-DTC: DTC Index

    • C1F48-04: DTC Description

    • C1F48-29: DTC Description

    NO >>

    GO TO 2 .

  2. PERFORM DTC CONFIRMATION PROCEDURE

    1. Start the engine.

    2. Turn the AEB system ON.

    3. Drive the Nissan Sentra vehicle at 30 km/h (19 MPH) or more.

      CAUTION:

      Always drive safely.

    4. Stop the Nissan Sentra vehicle.

    5. Perform “All DTC Reading” with CONSULT.

    6. Check if the “C1F48-62” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS 2”.

    Is “C1F48-62” 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 DTC PRIORITY

    If DTC “C1F48-62” is displayed with Network-DTC, “C1F48-04” or “C1F48-29” first diagnose the Network-DTC, “C1F48-04” or “C1F48-29”.

    Is applicable DTC detected?

    YES >>

    Perform diagnosis of applicable.

    • Network-DTC: DTC Index

    • C1F48-04: DTC Description

    • C1F48-29: DTC Description

    NO >>

    GO TO 2. .

  2. CHECK TCM SELF-DIAGNOSIS RESULTS

    1. Perform “All DTC Reading”.

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

    Is any DTC detected?

    YES >>

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

    NO >>

    GO TO 3.

  3. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS RESULTS

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

    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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