Nissan Rogue (T33) 2021-Present Service Manual: U2448-87 Can Comm Circuit
DTC Description
DTC DETECTION LOGIC
| DTC No. | CONSULT screen terms | DTC detection condition | ||
|---|---|---|---|---|
| U2448 | 87 | CAN communication error [ABS actuator and electric unit (control unit)] | Diagnosis condition | When ignition switch is ON. |
| Signal (terminal) | CAN communication signal | |||
| Threshold | Not receiving from ABS actuator and electric unit (control unit). | |||
| Diagnosis delay time | 2 seconds or more | |||
POSSIBLE CAUSE
-
CAN communication system
-
ABS actuator and electric unit (control unit)
FAIL-SAFE
The following functions are suspended.
-
Intelligent trace control function
-
Active ride control function
-
Automatic brake hold function
-
Drive mode selector function (Without Telematics System)
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 “U2448-87” 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 “U2448-87” detected?
YES>>GO TO 2.
NO>>INSPECTION END
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SYSTEM (1)
With CONSULT
-
Erase self-diagnosis result for “ABS”.
-
Ignition switch OFF and wait for 10 seconds or more.
-
Ignition switch ON.
-
Perform self-diagnosis for “ABS”.
Is DTC detected?
YES>>Check the DTC. Refer to DTC Index.
NO>>GO TO 3.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SYSTEM (2)
-
Ignition switch OFF.
-
Disconnect ABS actuator and electric unit (control unit) harness connector.
-
Check ABS actuator and electric unit (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 ABS actuator and electric unit (control unit) harness connector.
-
Erase self-diagnosis result for “CHASSIS CONTROL”.
-
Ignition switch OFF and wait for 10 seconds or more.
>>
INSPECTION END
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