Nissan Rogue (T33) 2021-Present Service Manual: U0422 Can Communication
DTC Description
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | ||
| U0422 | 00 |
Invalid data (BCM) (Invalid Data Received From Body Control Module) |
Diagnosis condition | Ignition switch ON |
| Signal (terminal) | — | |||
| Threshold | When ECM is not receiving invalid CAN data signal of OBD (emission-related diagnosis) with BCM. | |||
| Diagnosis delay time | 2 seconds or more | |||
POSSIBLE CAUSE
-
Harness or connectors (CAN communication line is open or shorted.)
-
BCM
FAIL-SAFE
Engine Control System
Not applicable
Stop/Start System
When a DTC is detected, the stop/start indicator lamp blinks slowly and the stop/start system operation is prohibited. When ECM detects error while operating the stop/start system, ECM restarts the engine.
DTC Confirmation Procedure
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
-
Turn ignition switch OFF and wait at least 10 seconds.
-
Turn ignition switch ON.
-
Turn ignition switch OFF and wait at least 10 seconds.
>>
2.
PERFORM DTC CONFIRMATION PROCEDURE
-
Turn ignition switch ON and wait at least 10 seconds.
-
Check DTC.
Is DTC detected?
YES>>Proceed to DTC Diagnosis Procedure.
NO>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>Confirmation after repair: INSPECTION END
DTC Diagnosis Procedure
Perform trouble diagnosis of CAN communication system. Refer to Trouble Diagnosis Flow Chart.
Other materials:
Manual operation
Fan speed control:
Press to increase or decrease fan speed manually.
Air intake control:
Each press of toggles between:
Recirculated air (indicator ON)
Outside air (indicator OFF)
Press and hold for 2 seconds to return to AUTO intake control
Air flow control:
Press to select:
– Center ...
Dtc/circuit Diagnosis. C1700-86 Control Unit
DTC Description
NOTE:
The Signal Tech II Tool [– (NI-50190)] can be used to
perform the following functions: Refer to the Signal Tech II User Guide
for additional information.
Activate and display TPMS sensor IDs
Display tire pressure reported by the TPMS sensor
Read TPMS DTCs ...
Power Supply and Ground Circuit
Diagnosis Procedure
CHECK FUSES
Check that the following fuses are not blown: Unit Power source Fuse No. Capacity
AWD control unit
Battery
22
15 A
Ignition switch ON or START
9
10 A
Is the fuse blown?
YES>>
Replace the blown fuse after repairing the affe ...
