Nissan Rogue (T33) 2021-Present Service Manual: U0131can Communication
DTC Description
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | ||
| U0131 | 00 |
Lost communication (EPS C/U) (Lost Communication With Power Steering Control Module) |
Diagnosis condition | Ignition switch ON |
| Signal (terminal) | — | |||
| Threshold | When ECM is not receiving CAN communication signal of OBD (emission-related diagnosis) with EPS. | |||
| Diagnosis delay time | 2 seconds or more | |||
POSSIBLE CAUSE
-
Harness or connectors (CAN communication line is open or shorted.)
-
EPS control module
FAIL-SAFE
Engine Control System
Not applicable
Stop/Start System
When a DTC is detected, the stop/start indicator lamp blinks slowly and the stop/start system operation is prohibited.
When ECM detects error while operating the stop/start system, ECM restarts the engine.
DTC Confirmation Procedure
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
-
Turn ignition switch OFF and wait at least 10 seconds.
-
Turn ignition switch ON.
-
Turn ignition switch OFF and wait at least 10 seconds.
>>
GO TO 2.
PERFORM DTC CONFIRMATION PROCEDURE
-
Turn ignition switch ON and wait at least 10 seconds.
-
Check DTC.
Is DTC detected?
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
Perform trouble diagnosis of CAN communication system. Refer to Trouble Diagnosis Flow Chart.
Other materials:
P2100 Throttle Control Motor
DTC Description
DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P2100
00
ETC MOT PWR-B1
(Throttle actuator “A” control motor circuit/open)
Diagnosis condition
Engine running at idle
Signal (terminal)
Throttle co ...
Exit Assist Function
System Description
SYSTEM DIAGRAMSeveral types of signals are transmitted from the following units to the driver seat control unit via CAN communication.INPUT SIGNAL AND OUTPUT SIGNAL Component Signal
ABS actuator and electric unit (control unit)
Nissan Ariya Vehicle speed signal
BCM
...
Its Can Communication 3 Circuit
Diagnosis Procedure
CHECK CAN DIAGNOSIS
Check the CAN diagnosis results from CONSULT to see that the ITS CAN
communication 1 circuit and ITS CAN communication 4 circuit have no
malfunction.
Are the ITS CAN communication 1 circuit and ITS CAN communication 4 circuit normal?
YES>>
GO T ...
