Nissan Rogue (T33) 2021-Present Service Manual: U215b Can Comm Circuit
DTC Description
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | ||
| U215B | 83 |
CAN comm err (IPDM E/R) [CAN comm err (IPDM E/R)] |
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 | 30 seconds or more | |||
POSSIBLE CAUSE
-
Harness or connectors (CAN communication line is open or shorted)
-
IPDM E/R
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
CHECK DTC PRIORITY
If DTC U215B 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.
-
Ignition switch OFF and wait at least 10 seconds.
-
Ignition switch ON.
-
Ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is 11 V or more at idle.
>>
GO TO 3.
PERFORM DTC CONFIRMATION PROCEDURE
-
Ignition switch ON and wait at least 3 seconds.
-
Check 1st trip DTC.
Is DTC U215B 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 U215B 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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