DTC U0415:68 [FORWARD SENSING CAMERA (FSC)]


id0902p9030100

Description

Error signal received from DSC HU/CM

Detection condition
•  Forward sensing camera (FSC) receives the error signal from the DSC HU/CM for 5 s or more.
Fail-safe function
•  Inhibits the lane departure warning system (LDWS).
•  Inhibits the high beam control (HBC) system.
Possible cause
•  DTCs are stored in the DSC HU/CM.
•  DSC HU/CM malfunction
•  Forward sensing camera (FSC) malfunction
System wiring diagram
Not applicable

Diagnostic Procedure

Step

Inspection

Action

1
VERIFY DSC HU/CM DTCs
•  Retrieve the DSC HU/CM DTCs using the M-MDS.
•  Are any DTCs displayed?
Yes
Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
No
Go to the next step.
2
PERFORM DTC INSPECTION AND VERIFY DSC HU/CM MALFUNCTION
•  Clear the DTC for the forward sensing camera (FSC) using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 6.5 s or more.
•  Retrieve the forward sensing camera (FSC) DTCs using the M-MDS.
•  Is the same DTC displayed?
Yes
Replace the DSC HU/CM, then go to the next step.
No
Go to Step 4.
3
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Clear the DTC for the forward sensing camera (FSC) using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 6.5 s or more.
•  Retrieve the forward sensing camera (FSC) DTCs using the M-MDS.
•  Is the same DTC displayed?
Yes
Repeat the inspection from Step 1.
•  If the malfunction recurs, replace the forward sensing camera (FSC).
Go to the next step.
No
Go to the next step.
4
VERIFY IF OTHER DTCs DISPLAYED
•  Are any other DTCs displayed?
Yes
Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
No
DTC troubleshooting completed.