Though Lane Departure Prevention Is Operating, The Vehicle Departs Out Of The Lane Due To Poor Assistance

CHECK USING CHECK LIST .
Using CHECK LIST (LANE DEPARTURE PREVENTION), check the following and respond to it. Ref. to EYESIGHT (DIAGNOSTICS)>DIAGNOSTICS WITH PHENOMENON>LANE DEPARTURE PREVENTION FUNCTION>CHECK LIST (LANE DEPARTURE PREVENTION) .
- Does the current status apply to the condition that lane departure prevention is not desired?
- Does the current status apply to the condition that an object such as a white line is hard to be recognized by the stereo camera?
- Does the current status apply to the condition that sufficient performance of lane departure prevention cannot be achieved?
Is there a relevant item in the check list?

Yes : When there is a relevant item, it can be the cause of malfunction. Eliminate the cause, and check that the malfunction has been improved.

No : Go to 2.
INSPECTION OF WINDSHIELD GLASS AND DASHBOARD .
Check the windshield glass and the dashboard. Ref. to CAUTION>CHECK WINDSHIELD GLASS INCLUDING PROHIBITED AREA . Ref. to CAUTION>CHECK WINDSHIELD GLASS INCLUDING PROHIBITED AREA>2. PROHIBITED AREA OF DASHBOARD AND INSPECTION .

Is the check result OK?

Yes : Go to 3.

No : Repair or replace the faulty portion according to the inspection result.
INSPECTION OF FRONT WIPER .
Check the front wiper. Ref. to EYESIGHT (DIAGNOSTICS)>GENERAL DESCRIPTION>INSPECTION>FRONT WIPER .

Is the check result OK?

Yes : Go to 4.

No : Repair or replace the faulty portion according to the inspection result.
CHECK OPTICAL AXIS OF HEADLIGHT .
Check the optical axis of the headlight. Ref. to LIGHTING SYSTEM>HEADLIGHT ASSEMBLY>ADJUSTMENT .

Is the check result OK?

Yes : Go to 5.

No : Repair or replace the faulty portion according to the inspection result.
CHECK STEREO CAMERA .
Check the stereo camera. Ref. to EYESIGHT (DIAGNOSTICS)>GENERAL DESCRIPTION>INSPECTION>STEREO CAMERA .

Is the check result OK?

Yes : Go to 6.

No : Repair or replace the faulty portion according to the inspection result.
CHECK TIRE AND WHEEL .
Check the tires and wheel alignment. Ref. to WHEEL AND TIRE SYSTEM>TIRE AND WHEEL . Ref. to FRONT SUSPENSION>WHEEL ALIGNMENT .

Is the check result OK?

Yes : Go to 7.

No : Repair or replace the faulty portion according to the inspection result.
ADJUST OPTICAL AXIS OF THE STEREO CAMERA .
Perform optical axis adjustment of the stereo camera. Ref. to EYESIGHT>STEREO CAMERA ADJUSTMENT, INSPECTION .

Was the fault fixed after adjusting the optical axis?

Yes : System is normal.

No : Replace the stereo camera. Ref. to EYESIGHT>STEREO CAMERA .