Nissan Rogue (T33) 2021-Present Service Manual: C1f59-04 Eps Circuit

Nissan Rogue (T33) 2021-Present Service Manual / Cruise Control & Driver Assistance :: Driver Assistance System / Adas Control Unit :: Dtc/circuit Diagnosis / C1f59-04 Eps Circuit

Without Propilot Assist 2.1

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
 
C1F59 04

EPS control unit

(Electric power steering control unit) 		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 EPS control unit via CAN communication
Diagnosis delay time 1 second or less

POSSIBLE CAUSE

EPS control unit

FAIL-SAFE

The following systems are canceled.

  • Vehicle-to-vehicle distance control mode

  • Conventional (fixed speed) cruise control mode

  • Steering assistance function

CONFIRMATION PROCEDURE

CHECK DTC PRIORITY

If DTC “C1F59-04” 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. Turn the ignition switch ON.

  2. Perform “All DTC Reading” with CONSULT.

  3. Check if the “C1F59-04” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS 2”.

Is “C1F59-04” 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

With Propilot Assist 2.1

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
 
C1F59 04

EPS control unit

(Electric power steering control unit) 		Diagnosis condition

  • When engine is running

  • When MAIN switch of ProPILOT Assist 2.1 system is ON
Signal (terminal) CAN communication signal
Threshold If the EPS control unit is malfunction
Diagnosis delay time 1 second or less

POSSIBLE CAUSE

  • EPS control unit

  • ADAS control unit 2

FAIL-SAFE

The following systems are canceled.

  • 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 “C1F59-04” 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 MAIN switch of ProPILOT Assist 2.1 system ON.

  3. Perform “All DTC Reading” with CONSULT.

  4. Check if the “C1F59-04” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS 2”.

Is “C1F59-04” 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 “C1F59-04” 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 EPS CONTROL UNIT

Check if any DTC is detected in “Self Diagnostic Result” of “EPS/DAST 3”.

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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