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
Other materials:
Preparation
Commercial Service Tools
Tool Description
Power tool
Loosening screws
Sealant or/and Lubricant
Name Description
Primer (3M K500, K520 or equivalent)
Primer for attaching sonar sensor holder to bumper
...
Fuel Pump
Component Inspection
CHECK FUEL PUMP
Turn ignition switch OFF.
Disconnect “fuel level sensor unit and fuel pump� harness connector.
Check the resistance between “fuel level sensor unit and fuel pump� terminals as follows.
Fuel level sensor unit and fuel pump Condition Res ...
P2123 App Sensor
DTC Description
DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P2123
00
APP SEN 1/CIRC
(Throttle/Pedal position sensor/switch D circuit high)
Diagnosis condition
Engine running at idle
Signal (terminal)
Accelerator ...
