Description

Forward sensing camera (FSC) poor visibility

Detection condition

• With the LDWS switch on or the high beam control (HBC) system operating, it is detected that the forward sensing camera (FSC) field of view is obstructed for 10 min or more.

Fail-safe function

• Inhibits the lane departure warning system (LDWS).

• Inhibits the high beam control (HBC) system.

Possible cause

• Windshield soiled

• Forward sensing camera (FSC) lens soiled

• Forward sensing camera (FSC) malfunction

System wiring diagram

Not applicable

Step

Inspection

Action

1

• 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 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

• 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

• 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.