DTC U0423:00 [ABS HU/CM]


id040260905500

DTC
U0423:00
Signal error from instrument cluster
DETECTION CONDITION
•  Error detected in signal from instrument cluster via CAN communication
FAIL-SAFE FUNCTION
Refer to DTC TABLE. (See DTC TABLE [ABS HU/CM].)
POSSIBLE CAUSE
•  Instrument cluster malfunction
SYSTEM WIRING DIAGRAM


Diagnostic Procedure

Step

Inspection

Action

1
VERIFY INSTRUMENT CLUSTER DTC
•  Using the M-MDS, perform the instrument cluster DTC inspection.
•  Are any DTCs present?
Yes
Go to applicable DTC inspection.
DTC troubleshooting completed, then go to the next step.
No
Go to the next step.
2
VERIFY DTC TROUBLESHOOTING COMPLETED
•  Using the M-MDS, clear the DTC from the ABS HU/CM.
•  Using the M-MDS, perform the ABS HU/CM DTC inspection.
•  Is the same DTC present?
Yes
Repeat the inspection from Step1
If the malfunction recurs, replace the instrument cluster, then go to the next step.
No
Go to the next step.
3
VERIFY NO DTC IS PRESENT
•  Are any DTCs present?
Yes
Go to applicable DTC inspection.
No
DTC troubleshooting completed.