DTC C1001:97 [FORWARD SENSING CAMERA (FSC)]

id0902p9029800

Description | Forward sensing camera (FSC) poor visibility
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Detection condition | • With the LDWS switch on or the high beam control (HBC) system operating, the forward sensing camera (FSC) detects that its field of view is obstructed for a certain period of time.
Fail-safe | • Inhibits the lane departure warning system (LDWS). • Inhibits the high beam control (HBC) system. • Inhibits the forward obstruction warning (FOW) system.
Possible cause | • Windshield soiled • Forward sensing camera (FSC) lens soiled • Forward sensing camera (FSC) malfunction • Frosted windshield • Nighttime, roads without street lights or reflective objects
System wiring diagram | —

Diagnostic procedure

Step | Inspection | Action
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1 | VERIFY WINDSHIELD SOILING • Verify if the windshield is soiled. • Is the windshield soiled? | Yes | Remove the soiling from the windshield, then go to Step 3.
No | Go to the next step.
2 | VERIFY FORWARD SENSING CAMERA (FSC) LENS SOILING • Verify if the forward sensing camera (FSC) lens is soiled. • Is the forward sensing camera (FSC) lens soiled? | Yes | Remove the soiling on the forward sensing camera (FSC) lens, then go to the next step.
No | Go to the next step.
3 | VERIFY DTC TROUBLESHOOTING COMPLETED • Clear the DTC for the forward sensing camera (FSC) using the M-MDS. (See CLEARING DTC [FORWARD SENSING CAMERA (FSC)].) • Drive the vehicle at a vehicle speed of 20 km/h {12 mph} or more for 3 min or more. • Retrieve the forward sensing camera (FSC) DTCs using the M-MDS. (See DTC INSPECTION [FORWARD SENSING CAMERA (FSC)].) • Is the same DTC displayed? | Yes | Repeat the inspection from Step 1. • If the malfunction recurs, replace the forward sensing camera (FSC). (See FORWARD SENSING CAMERA (FSC) REMOVAL/INSTALLATION.) 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. (See DTC TABLE [FORWARD SENSING CAMERA (FSC)].)
No | DTC troubleshooting completed.