Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: U234e-87 Can Comm Err (combination Meter)
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 | |
|---|---|---|---|
| U234E–87 |
CAN comm err (combination meter) [CAN communication error (combination meter)] |
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.
Other materials:
Service Data and Specifications (sds)
General Specifications
BRAKE SYSTEMJAPAN PRODUCTION MODELS WITHOUT ProPILOT Assist 2.1Unit: mm (in) Front brake
Cylinder bore diameter
60.33 (2.3752)
Pad length × width × thickness
123.6 × 53.5 × 10.5 (4.87 × 2.106 × 0.413)
Rotor outer diameter × thickness
296 × 26.0 ( ...
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 ...
U2e52-87 Can Comm Circuit
DTC Description
DTC DETECTION LOGIC DTC No. CONSULT screen terms DTC detection condition
U2E52
87
CAN communication error (ADAS control unit)
Diagnosis condition
When ignition switch is ON.
Signal (terminal)
CAN communication signal
Threshold
Not receiving from ADAS c ...
