Nissan Rogue (T33) 2021-Present Service Manual: U2154-87 Can Comm Circuit
DTC Description
DTC DETECTION LOGIC
| DTC No. | CONSULT screen terms | DTC detection condition | ||
|---|---|---|---|---|
| U2154 | 87 | CAN communication error (AV control unit) | Diagnosis condition | When ignition switch is ON. |
| Signal (terminal) | CAN communication signal | |||
| Threshold | Not receiving from AV control unit. | |||
| Diagnosis delay time | 10 seconds or more | |||
POSSIBLE CAUSE
-
CAN communication system
-
AV control unit
FAIL-SAFE
The following functions are suspended. (Without Telematics System)
Drive mode selector function
DTC CONFIRMATION PROCEDURE
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always ignition switch OFF and wait at least 10 seconds before conducting the next test.
>>
GO TO 2.
CHECK DTC DETECTION
With CONSULT
-
Ignition switch OFF to ON.
CAUTION:
Be sure to wait of 10 seconds after ignition switch OFF or ON.
-
Perform self-diagnosis for “CHASSIS CONTROL”.
Is DTC “U2154-87” 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
PERFORM SELF-DIAGNOSIS
With CONSULT
-
Erase self-diagnosis result for “CHASSIS CONTROL”.
-
Ignition switch OFF and wait for 10 seconds or more.
-
Ignition switch ON.
-
Perform self-diagnosis for “CHASSIS CONTROL”.
Is DTC “U2154-87” detected?
YES>>GO TO 2.
NO>>INSPECTION END
CHECK AV SYSTEM (1)
With CONSULT
-
Erase self-diagnosis result for “MULTI AV”.
-
Ignition switch OFF and wait for 10 seconds or more.
-
Ignition switch ON.
-
Perform self-diagnosis for “MULTI AV”.
Is DTC detected?
YES>>Check the DTC. Refer to DTC Index.
NO>>GO TO 3.
CHECK AV SYSTEM (2)
-
Ignition switch OFF.
-
Disconnect AV control unit harness connector.
-
Check AV control unit harness connector terminals (CAN communication line) for damage or loose connection.
Is the inspection result normal?
YES>>GO TO 4.
NO>>Repair / replace harness, connector, or terminal. GO TO 4.
ERASE SELF-DIAGNOSIS RESULT
With CONSULT
-
Connect AV control unit harness connector.
-
Erase self-diagnosis result for “CHASSIS CONTROL”.
-
Ignition switch OFF and wait for 10 seconds or more.
>>
INSPECTION END
Other materials:
Symptom Diagnosis. Intelligent Key Low Battery Warning Does Not Operate
Diagnosis Procedure
CHECK INFORMATION DISPLAY
Check information display.
Refer to Work flow.
Is the inspection result normal?
YES>>
GO TO 2.
NO>>
Repair or replace the malfunctioning parts.
CHECK INTELLIGENT KEY BATTERY
Check Intelligent Key battery.
Refer to Component Inspe ...
Main Line Between Lib 12v and M&a Circuit
Diagnosis Procedure
CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and loose connection (connector side and harness side).
Harness connector B41
Harness con ...
Parking brake
Basic information
WARNING
Never drive the vehicle with the parking brake applied. The brake will overheat and fail to operate and will lead to an accident.
Never release the parking brake from outside the vehicle. If the vehicle moves, it will be impossible to push the foot brake pedal and will l ...
