DTC U0420:68 [FORWARD SENSING CAMERA (FSC)]

id0902p9030200

System malfunction location

Error signal received from EPS control module
Detection condition
•  Forward sensing camera (FSC) receives error signal from the EPS control module for 1 s or more.
Fail-safe
•  Inhibits the lane departure warning system (LDWS).
Possible cause
•  DTCs are stored in the EPS control module.
•  EPS control module malfunction
•  Forward sensing camera (FSC) malfunction
System wiring diagram
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Diagnostic Procedure

Step

Inspection

Action
1
VERIFY EPS CONTROL MODULE DTCs
•  Perform the DTC inspection for the EPS control module using the M-MDS.
•  Is the DTC displayed?
Yes
Repair the malfunctioning part according to the applicable DTC troubleshooting.
(See ELECTRIC POWER STEERING (EPS) ON-BOARD DIAGNOSIS.)
No
Go to the next step.
2
PERFORM DTC INSPECTION AND VERIFY IF MALFUNCTIONING PART IS EPS CONTROL MODULE
•  Clear the forward sensing camera (FSC) DTCs using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 2.5 s or more.
•  Perform the DTC inspection for the forward sensing camera (FSC) using the M-MDS.
•  Is DTC U0420:68 displayed?
Yes
Replace the EPS control module, then go to the next step.
(See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION.)
No
Go to Step 4.
3
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Clear the forward sensing camera (FSC) DTCs using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 2.5 s or more.
•  Perform the DTC inspection for the forward sensing camera (FSC) using the M-MDS.
•  Is DTC U0420:68 displayed?
Yes
Replace the forward sensing camera (FSC), then go to the next step.
(See FORWARD SENSING CAMERA (FSC) REMOVAL/INSTALLATION.)
No
Go to the next step.
4
VERIFY IF OTHER DTCs DISPLAYED
•  Are any other DTCs displayed?
Yes
Repair the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [FORWARD SENSING CAMERA (FSC)].)
No
DTC troubleshooting completed.