Nissan Rogue (T33) 2021-Present Service Manual: U2385 Can Comm Circuit
DTC Description
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | ||
| U2385 | 87 |
CAN comm err (VCR) [CAN comm err (VCR)] |
Diagnosis condition | Ignition switch ON |
| Signal (terminal) | CAN communication signal | |||
| 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)
-
VCR control module
FAIL-SAFE
Not applicable
DTC Confirmation Procedure
CHECK DTC PRIORITY
If DTC U2385 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 more than 11 V at idle.
>>
GO TO 3.
PERFORM DTC CONFIRMATION PROCEDURE
-
Ignition switch ON and wait at least 3 seconds.
-
Check the DTC.
Is DTC U2385 detected?
YES>>Proceed 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 U2385 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:
C1f96-29 Control Unit
DTC Description
DTC DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
C1F96
29
CONTROL UNIT
(Control unit)
Diagnosis condition
When engine is running
Signal (terminal)
—
Threshold
ADAS control unit 2 internal malf ...
Accessory Relay
Diagnosis Procedure
CHECK ACCESSORY RELAY POWER SUPPLY
Disconnect accessory relay connector.
Check voltage between accessory relay harness connector and ground.
(+) (–)
Voltage
(Approx.)
Accessory relay
Connector Terminal
J-5
2
Ground
Battery voltage
3
...
P0125 Ect Sensor
DTC Description
DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0125
00
ECT SENSOR
(Insufficient coolant temperature for closed loop fuel control)
Diagnosis condition
—
Signal (terminal)
Engine coolant temperatur ...
