DTC U053B:00 [DSC HU/CM]


id040262848700

DTC
U053B:00
Signal error from forward sensing camera (FSC)
DETECTION CONDITION
•  Error detected in signal from forward sensing camera (FSC) via CAN communication.
FAIL-SAFE FUNCTION
•  Refer to “Fail-safe function table”. (See DTC TABLE [DSC HU/CM].)
POSSIBLE CAUSE
•  Forward sensing camera (FSC) malfunction
SYSTEM WIRING DIAGRAM

Diagnostic procedure

STEP

INSPECTION

ACTION

1
VERIFY FORWARD SENSING CAMERA (FSC) DTC
•  Using the M-MDS, perform the forward sensing camera (FSC) 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 Pending DTC present?
Yes
Repeat the inspection from Step 1.
If the malfunction recurs, replace the forward sensing camera (FSC), 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.