Nissan Rogue (T33) 2021-Present Service Manual: U214a Can Comm Circuit
DTC Description
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | ||
| U214A | 83 |
CAN comm err (AWD/4WD) [CAN comm err (AWD/4WD)] |
Diagnosis condition | Ignition switch ON |
| Signal (terminal) | CAN communication signal | |||
| 87 | Threshold | ECM is not receiving CAN communication signal other than OBD (emission related diagnosis). | ||
| Diagnosis delay time | 2 seconds or more | |||
POSSIBLE CAUSE
-
Harness or connectors (CAN communication line is open or shorted)
-
AWD control unit
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
CHECK DTC PRIORITY
If DTC U214A is displayed with DTC P0607, first perform the confirmation procedure (trouble diagnosis) for DTC P0607.
Is DTC P0607 detected?
YES>>Proceed to DTC Description.
NO>>GO TO 2.
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.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 11 V at idle.
>>
GO TO 3.
PERFORM DTC CONFIRMATION PROCEDURE
-
Turn ignition switch ON and wait at least 3 seconds.
-
Check 1st trip DTC.
Is DTC U214A detected?
YES>>Refer to Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2>>Confirmation after repair: INSPECTION END
Diagnosis Procedure
CHECK DTC PRIORITY
If DTC U214A is displayed with DTC P0607, first perform the confirmation procedure (trouble diagnosis) for DTC P0607.
Is DTC P0607 detected?
YES>>Proceed to DTC Description.
NO>>Perform the trouble diagnosis for CAN communication system. Refer to Trouble Diagnosis Flow Chart.
Other materials:
Ecu Diagnosis Information. Sonar Control 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.
CONSULT MONITOR ITEM Monitor Item Condition Value/Status
Disco ...
Steering Switch Signal B Circuit
Component Function Check
PERFORM COMPONENT FUNCTION CHECK
With CONSULT
Check “Self Diagnostic Result” of “MULTI AV”.
Is any DTC detected?
YES>>
Perform the trouble diagnosis for the detected DTC. Refer to DTC Index.
NO>>
Proceed to Diagnosis Procedure.
Diagnosis Proced ...
Power Supply and Ground Circuit
Around View Monitor 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
1131
10 A1
1: With ProPILOT Assist 2.1
Is the fuse blown (open)?
YES>>
Be sure to elimina ...
