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:
System Description. Component Parts. Electrical Units Location
Electrical Units Location
Component Parts Location
No.Component
1.
12V Sub Battery (Lithium Ion Battery)
2.
Fusible Link Box (Battery)
3.
Battery
4.
Relay Box
5.
IPDM E/R (Intelligent Power Distribution Module Engine Room)
6.
Fusible Link Box (12V Sub B ...
System
Meter System
System Description
SYSTEM DIAGRAM Parts name Description
Ambient sensor
Refer to Ambient Sensor.
BCM
Transmits the BCM status to the combination meter via CAN communication.
Combination meter
Refer to Combination Meter.
ECM
Transmits the ECM status to ...
B24c6-12 Blower Motor Control
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
B24C6–12
BLOWER MOTOR CONTROL
(Blower motor control)
[CIRCUIT SHORT TO GROUND]
Diagnosis condition
When ignition switch is ON
Signal (Terminal)
Blower ...
