Nissan Rogue (T33) 2021-Present Service Manual: U2150-87 Can Comm Circuit
DTC Description
CAN COMMUNICATION
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 units, 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-H, CAN-L) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives data but selectively reads the required data only.
CAN communication signal chart. Refer to CAN Communication Signal Chart.
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | ||
|---|---|---|---|---|
| U2150 | 87 |
CAN comm err (AIRBAG) [Controller area network communication error (Airbag)] |
Diagnosis condition | When engine is running |
| Signal (terminal) | CAN communication signal | |||
| Threshold | If ADAS control unit 2 is not transmitting or receiving CAN communication signal | |||
| Diagnosis delay time | 2 seconds or more | |||
NOTE:
If “U2150-87” is detected, first diagnose the CAN communication system.
POSSIBLE CAUSE
CAN communication system
FAIL-SAFE
None
CONFIRMATION PROCEDURE
PERFORM DTC CONFIRMATION PROCEDURE
-
Start the engine.
-
Perform “All DTC Reading” with CONSULT.
-
Check if the “U2150-87” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS 2”.
Is “U2150-87” detected as the current malfunction?
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
Without Propilot Assist 2.1
DTC Description
CAN COMMUNICATION
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 units, 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-H, CAN-L) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives data but selectively reads the required data only.
CAN communication signal chart. Refer to CAN Communication Signal Chart.
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | ||
|---|---|---|---|---|
| U2150 | 87 |
CAN comm err (AIRBAG) [Controller area network communication error (Airbag)] |
Diagnosis condition | When engine is running |
| Signal (terminal) | CAN communication signal | |||
| Threshold | If ADAS control unit 2 is not transmitting or receiving CAN communication signal | |||
| Diagnosis delay time | 2 seconds or more | |||
NOTE:
If “U2150-87” is detected, first diagnose the CAN communication system.
POSSIBLE CAUSE
CAN communication system
FAIL-SAFE
None
CONFIRMATION PROCEDURE
PERFORM DTC CONFIRMATION PROCEDURE
-
Start the engine.
-
Perform “All DTC Reading” with CONSULT.
-
Check if the “U2150-87” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS 2”.
Is “U2150-87” detected as the current malfunction?
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
With Propilot Assist 2.1
DTC Description
CAN COMMUNICATION
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 units, 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-H, CAN-L) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives data but selectively reads the required data only.
CAN communication signal chart.Refer to CAN Communication Signal Chart.
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | ||
|---|---|---|---|---|
| U2150 | 87 | CAN communication error (AIRBAG) | Diagnosis condition | When engine is running |
| Signal (terminal) | CAN communication signal | |||
| Threshold | If ADAS control unit 2 is not transmitting or receiving CAN communication signal | |||
| Diagnosis delay time | 2 seconds or more | |||
NOTE:
If “U2150-87” is detected, first diagnose the CAN communication system.
POSSIBLE CAUSE
CAN communication system
FAIL-SAFE
None
CONFIRMATION PROCEDURE
PERFORM DTC CONFIRMATION PROCEDURE
-
Start the engine, and then wait for 2 seconds or more.
-
Perform “All DTC Reading” with CONSULT.
-
Check if the “U2150-87” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS 2”.
Is “U2150-87” detected as the current malfunction?
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
PERFORM THE SELF-DIAGNOSIS
-
Turn the ignition switch ON.
-
Perform “All DTC Reading” with CONSULT.
-
Check if the “U2150-87” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS 2”.
Is “U2150-87” detected as the current malfunction?
YES>>Refer to Trouble Diagnosis Flow Chart.
NO>>INSPECTION END
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