Description

Forward sensing camera (FSC) poor visibility

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.

Possible cause

• Windshield is dirty

• Forward sensing camera (FSC) lens is dirty

• Forward sensing camera (FSC) malfunction

• Frosted windshield

• Nighttime, roads without street lights or reflective objects

System wiring diagram

Not applicable

Step

Inspection

Action

1

• Verify if the windshield is dirty.

• Is the windshield dirty?

Yes

Clean the windshield, then go to Step 3.

No

Go to the next step.

2

• Verify if the forward sensing camera (FSC) lens is dirty.

• Is the forward sensing camera (FSC) lens dirty?

Yes

Clean 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 20 km/h or more for 3 min or more with the LDWS switch on.

• 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.