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.
Other materials:
B12a4u201392 Battery Current Sensor
DTC Description
DTC DETECTION LOGIC DTC No. CONSULT screen items DTC Detection Condition
(Trouble diagnosis content) [Malfunction type]
B12A4–92
BATTERY CURRENT SENSOR
(Battery current sensor)
[PFM/INCORR ECT OPERATN]
Diagnosis condition
When ignition switch is ON.
Sig ...
Front Camera Unit
Reference Value
VALUES ON THE DIAGNOSIS TOOLNOTE:
The following table includes information (items)
inapplicable to this Nissan Ariya vehicle. For information (items)
applicable to this vehicle, refer to CONSULT display items.
Monitor item Condition Value/Status
AIMING DONE
Ignition s ...
Dtc/circuit Diagnosis. Power Supply and Ground Circuit. Sonar Control Unit
Sonar Control Unit
Diagnosis Procedure
CHECK FUSE
Check that the following fuse is not blown (open).
Power source Fuse No. Capacity
ACC power supply
#40
10 A
Is the fuse blown (open)?
YES>>
Be sure to eliminate cause of malfunction before installing new fuse.
NO>&g ...
