Nissan Rogue (T33) 2021-Present Service Manual: U2340-87 Can Comm Circuit
DTC Description
DTC DETECTION LOGIC
| DTC No. | CONSULT screen terms | DTC detected condition | |
|---|---|---|---|
| U2340-87 | CAN communication error (ECM) | Diagnosis condition | When ignition switch is ON. |
| Signal (terminal) | CAN communication signal | ||
| Threshold | Lost communication with ECM | ||
| Diagnosis delay time | 4 seconds or more | ||
POSSIBLE CAUSE
-
Harness or connector
(CAN communication line)
-
8CH CAN gateway
-
ECM malfunction
FAIL-SAFE
System continue normal control.
Confirmation Procedure
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
-
Ignition switch ON and wait at least 4 seconds or more.
-
Select “Self Diagnostic Result” mode of “8ch CAN GATEWAY 2” using CONSULT.
-
Check DTC.
Is DTC U2340-87 detected?
YES>>Refer to DTC Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Intermittent Incident
NO-2>>Confirmation after repair: INSPECTION END
DTC Diagnosis Procedure
PERFORM DTC CONFIRMATION PROCEDURE AGAIN
-
Ignition switch ON.
-
Erase DTC.
-
Perform DTC confirmation procedure again. Refer to Confirmation Procedure.
-
Check DTC.
Is DTC “U2340-87” detected?
YES>>Perform trouble diagnosis procedure for CAN communication system. Refer to Trouble Diagnosis Flow Chart.
NO>>INSPECTION END
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DTC Description
DTC DETECTION LOGIC DTC No. CONSULT screen terms DTC detected condition
U2A8C-88
Ethernet circuit
Diagnosis condition
When ignition switch is ON.
Signal (terminal)
—
Threshold
Lost ethernet communication with AV control unit
Diagnosis delay time ...
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Diagnosis and Repair Work Flow
Work Flow
OVERALL SEQUENCEDETAILED FLOWGET INFORMATION FOR SYMPTOM
Get detailed information from the customer about the symptom (the
condition and the environment when the incident/malfunction occurs).
Check operation condition of the function that is mal ...
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Diagnosis Procedure
CHECK DTC WITH AUTOMATIC BACK DOOR CONTROL UNIT
Check that DTC is not detected with automatic back door control unit.
Is the inspection result normal?
YES>>
GO TO 2.
NO>>
Refer to DTC Index.
CHECK OPEN SWITCH
Check open switch.
Refer to DTC Diagnosis Proce ...
