Nissan Rogue (T33) 2021-Present Service Manual: C1f40-24 Ecm

Nissan Rogue (T33) 2021-Present Service Manual / Cruise Control & Driver Assistance :: Driver Assistance System / Adas Control Unit :: Dtc/circuit Diagnosis / C1f40-24 Ecm

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
 
C1F40 24

ECM

(Engine control module) 		Diagnosis condition When AEB system is ON
Signal (terminal) —
Threshold If ECM is malfunctioning
Diagnosis delay time 1 second or less

POSSIBLE CAUSE

  • ECM

  • ADAS control unit 2

FAIL-SAFE

The following systems are canceled.

  • Vehicle-to-vehicle distance control mode

  • Conventional (fixed speed) cruise control mode

  • Steering wheel assistance function

  • AEB

  • RAB

  • LDW

  • I-LI

  • BSW

  • I-BSI

  • RCTA

  • TSR

CONFIRMATION PROCEDURE

CHECK DTC PRIORITY

If DTC “C1F40-24” 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 AEB system ON.

  3. Perform “All DTC Reading” with CONSULT.

  4. Check if the “C1F40-24” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS 2”.

Is “C1F40-24” 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 “C1F40-24” 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 ECM

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

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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