Nissan Rogue (T33) 2021-Present Service Manual: C1f40-04 Ecm
Without Propilot Assist 2.1
DTC Description
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | ||
|---|---|---|---|---|
| C1F40 | 04 |
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 “C1F40-04” 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
-
Start the engine.
-
Turn the AEB system ON.
-
Perform “All DTC Reading” with CONSULT.
-
Check if the “C1F40-04” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS 2”.
Is “C1F40-04” 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 | ||
|---|---|---|---|---|
| C1F40 | 04 |
ECM (Engine control module) |
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 ECM via CAN communication | |||
| Diagnosis delay time | 1 second or less | |||
POSSIBLE CAUSE
ECM
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
-
TSR
*1: ProPILOT Assist 2.1 display is green
*2: ProPILOT Assist 2.1 display is blue
CONFIRMATION PROCEDURE
CHECK DTC PRIORITY
If DTC “C1F40-04” 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
-
Start the engine.
-
Turn the MAIN switch of ProPILOT Assist 2.1 system ON.
-
Perform “All DTC Reading” with CONSULT.
-
Check if the “C1F40-04” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS 2”.
Is “C1F40-04” 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 “C1F40-04” 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 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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