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.
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Always Replace With New PartsNever Reuse These PartsPart CodeFor additional information:
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ROOF ANTENNA EXPLODED VIEW
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Removal and Installation. Intelligent Key Unit
Removal and Installation
REMOVALCAUTION:
When replacing the Intelligent Key unit, always replace it
with a new one. The functions controlled by the Intelligent Key unit
does not operate properly in case of reuse of the Intelligent Key unit
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Symptom Diagnosis. Door Lock Operation Warning Does Not Operate
Diagnosis Procedure
CHECK DOOR LOCK FUNCTION
Check door lock using door request switch.
Does door lock with door request switch?
YES>>
GO TO 2.
NO>>
Refer to Diagnosis Procedure.
CHECK INTELLIGENT KEY WARNING BUZZER
Check Intelligent Key warning buzzer.
Refer to Diagnosis Pro ...
