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


id0902p9030200

Description

Error signal received from EPS control module

Detection condition
•  Forward sensing camera (FSC) receives the error signal from the EPS control module for 5 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
Not applicable

Diagnostic Procedure

Step

Inspection

Action

1
VERIFY EPS CONTROL MODULE DTCs
•  Retrieve the EPS control module 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
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
Replace the forward sensing camera (FSC), then go to the next step.
No
Go to the next step.
3
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.