Nissan Rogue (T33) 2021-Present Service Manual: C1f54-83 Electrically-Driven Intelligent Brake Unit

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content)
DTC detection condition
C1F54 83

E-driven intelligent brake unit circuit

(Electrical brake control unit circuit)
Diagnosis condition
  • When engine is running

  • When FEB system is ON

Signal (terminal)
Threshold If ADAS control unit 2 detects an error signal that is received from electrical brake control unit via CAN communication
Diagnosis delay time 1 second or less

POSSIBLE CAUSE

  • Electrical brake control unit

  • ADAS control unit 2

FAIL-SAFE

The following system are cancelled.

  • Vehicle speed & vehicle-to-vehicle control function

  • Lane keep function*1

  • Lane keep function*2

  • Lane change support function

  • Overtaking support function

  • Route driving support function

  • FEB

  • RAB

  • PFCW

  • LDP

  • Blind Spot Intervention

  • TSR

*1: ProPILOT Assist 2.1 display is green

*2: ProPILOT Assist 2.1 display is blue

CONFIRMATION PROCEDURE

CHECK DTC PRIORITY

If DTC “C1F54-83” 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.

PERFORM DTC CONFIRMATION PROCEDURE

  1. Start the engine.

  2. Turn the FEB system ON.

  3. Perform “All DTC Reading” with CONSULT.

  4. Check if the “C1F54-83” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS 2”.

Is “C1F54-83” detected as the current malfunction?

YES>>

Refer to DTC Diagnosis Procedure.

NO-1>>

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

NO-2>>

Confirmation after repair: INSPECTION END

DTC Diagnosis Procedure

CHECK DTC PRIORITY

If DTC “C1F54-83” 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.

PERFORM SELF-DIAGNOSIS OF ELECTRICAL BRAKE CONTROL UNIT

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

Is any DTC detected?

YES>>

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

NO>>

Replace the ADAS control unit 2. Refer to Removal and Installation.

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