Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: U2154-87 Can Comm Err (miu)
DTC Description
DESCRIPTION
CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-Nissan Ariya vehicle multiplex communication line with high data communication speed and excellent error detection ability. Modern Nissan Ariya vehicle is equipped with many electronic control unit, and each control unit shares information and links with other control units during operation (not independent). In CAN communication, control units are connected with 2 communication lines (CAN-High line, CAN-Low line) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives data but selectively reads required data only. CAN Communication Signal Chart. Refer to CAN Communication Signal Chart.
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen items (Trouble diagnosis content) | DTC Detection Condition | |
|---|---|---|---|
| U2154–87 |
CAN comm err (MIU) [CAN communication error (MIU)] |
Diagnosis condition | Ignition switch is ON. |
| Signal (terminal) | CAN communication signal | ||
| Threshold | BCM cannot communicate CAN communication signal. | ||
| Diagnosis delay time | 2 seconds or more. | ||
POSSIBLE CAUSE
CAN communication system
FAIL-SAFE
—
DTC CONFIRMATION PROCEDURE
CHECK SELF-DIAG RESULT
CONSULT
-
Ignition switch ON and wait for 2 seconds or more.
-
Select “Self diagnosis result” mode of “BCM”.
Is DTC detected?
YES>>Refer to DTC Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2>>Confirmation after repair: Inspection End.
DTC Diagnosis Procedure
CHECK CAN COMMUNICATION SYSTEM
Check CAN communication system. Refer to Trouble Diagnosis Flow Chart.
>>
Inspection End.
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Cleaning
Basic information
If the windshield of your Nissan Rogue remains unclear after using the washer, or if the wiper blades chatter, wax or debris may be present on the glass or the blades.
Clean the windshield with washer solution or mild detergent. A clean surface will not form water be ...
Steering Switch Signal a Circuit
Component Function Check
CHECK COMBINATION METER INPUT SIGNAL
CONSULT
Ignition switch ON.
Select “Steering switch input” in “Data monitor” mode of “M&A”.
Check that the function operates normally according to the following conditions:
Condition Value
CONTRO ...
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Additional Service When Replacing Sonar Control Unit
Description
CAUTION:
When replacing the sonar control unit, always replace it
with a new one. Sonar system does not operate properly in case of reuse
of the sonar control unit from another Nissan Ariya vehicle.
Perform the following operat ...