Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: U2148-87 Can Comm Err (brake Control Unit)
Intelligent Key Unit
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 | |
|---|---|---|---|
| U2148-87 |
CAN comm err (brake control unit) [CAN communication error (brake control unit)] |
Diagnosis condition | Ignition switch ON |
| Signal (terminal) | CAN communication signal | ||
| Threshold | Transmission error or reception error | ||
| Diagnosis delay time | 2 seconds or more | ||
POSSIBLE CAUSE
CAN communication system
FAIL-SAFE
—
DTC CONFIRMATION PROCEDURE
DTC CONFIRMATION
CONSULT
-
Ignition switch ON and wait for 2 seconds or more.
-
Select “Self diagnosis result” mode of “INTELLIGENT KEY”.
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
Check CAN communication. Refer to Trouble Diagnosis Flow Chart.
Is DTC “U2148-87” displayed?
YES>>Repair or replace the malfunctioning part.
NO>>Check intermittent incident. Refer to Intermittent Incident.
Automatic Back Door Control Unit
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 | |
|---|---|---|---|
| U2148-87 |
CAN comm err (brake control unit) [CAN communication error (brake control unit)] |
Diagnosis condition | Ignition switch ON |
| Signal (terminal) | CAN communication signal | ||
| Threshold | Automatic back door control unit is unable to receive the CAN communications signal from ABS actuator and electric unit (control unit) | ||
| Diagnosis delay time | 2 seconds or less | ||
POSSIBLE CAUSE
CAN communication system
FAIL-SAFE
Inhibit automatic back door system all function
DTC CONFIRMATION PROCEDURE
DTC CONFIRMATION
CONSULT
-
Ignition switch ON and wait for 2 seconds or more.
-
Select “Self diagnosis result” mode of “AUTOMATIC BACK DOOR”.
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
Check CAN communication. Refer to Trouble Diagnosis Flow Chart.
Is DTC “U2148-87” displayed?
YES>>Repair or replace the malfunctioning part.
NO>>Check intermittent incident. Refer to Intermittent Incident.
Other materials:
Driver Monitor Camera Control Unit
Reference Value
VALUES ON THE DIAGNOSIS TOOL Monitor item Condition Value/Status
Left eye
Ignition switch ON
When the open / closed state of the driver's right eye is unclear
Invalid
When the driver's right eye is open
Open
When the driver's right eye is closed
Close
...
Basic information
The following are approximate capacities for your Nissan Rogue.
Actual refill capacities may vary slightly. When refilling, always follow the procedure described in the "8. Do-it-yourself" section to confirm the proper amount for your Nissan Rogue.
Fuel
Engine oil
Drain and refill
Genuine "NI ...
Automatic Air Conditioning. Preparation. Preparation
Preparation
Special Service Tool
The actual shape of the tools may differ from those illustrated here.
Tool number
(TechMate No.)
Tool name Description
—
(NI-46534)
Trim Tool Set
Removing trim components
Commercial Service Tools
Tool name Description
Power ...