DTC U0305:00/U0405:00 [DSC HU/CM]


id040262860600

DTC
U0305:00
Signal error from radar unit
U0405:00
DETECTION CONDITION
•  Error detected in signal from radar unit via CAN communication.
FAIL-SAFE FUNCTION
•  Refer to “Fail-safe function table”. (See DTC TABLE [DSC HU/CM].)
POSSIBLE CAUSE
•  Radar unit malfunction
SYSTEM WIRING DIAGRAM
Not applicable

Diagnostic Procedure

Step

Inspection

Action

1
VERIFY RADAR UNIT DTC
•  Using the M-MDS, perform the radar unit DTC inspection.
•  Are any DTCs present?
Yes
Go to the 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 DSC HU/CM.
•  Using the M-MDS, perform the DSC HU/CM DTC inspection.
•  Is the same DTC present?
Yes
Repeat the inspection from Step1.
If the malfunction recurs, replace the radar unit, 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 the applicable DTC inspection.
No
DTC troubleshooting completed.