Lane Keep (Lane Keep Assist • Adaptive Cruise Steering) Does Not Operate. (Lane Keep Indicator Light Illuminates In Green, And, At The Same Time, Lane Display Does Not Illuminate.) The Vehicle Is Yawing Or Swaying

NOTE: Check the following first.

Is "lane keep (lane keep assist • adaptive cruise steering)" turned ON using the EyeSight customization function?
Is "Adaptive cruise" selected for the adaptive cruise control?

CHECK FOR PRESENCE OF TRAFFIC JAM ASSIST/LANE KEEP ASSIST DEACTIVATION CODE .
Check for the presence of traffic jam assist/lane keep assist deactivation code. Ref. to EYESIGHT (DIAGNOSTICS) (EXCEPT FOR HEV)>TRAFFIC JAM ASSIST/LANE KEEPING ASSIST DEACTIVE CODE(S) DISPLAY .

Is the traffic jam assist/lane keep assist deactivation code displayed?

Yes: Perform the diagnosis for the displayed traffic jam assist/lane keep assist deactivation code. Ref. to EYESIGHT (DIAGNOSTICS) (EXCEPT FOR HEV)>TRAFFIC JAM ASSIST/LANE KEEPING ASSIST DEACTIVE CODE(S) DISPLAY .

No: Go to 2.
CHECK USING CHECK LIST .
Using CHECK LIST (LANE KEEP), check the following and respond to it. Ref. to EYESIGHT (DIAGNOSTICS) (EXCEPT FOR HEV)>DIAGNOSTICS WITH PHENOMENON>INSPECTION>CHECK LIST ADAPTIVE CRUISE STEERING • LANE KEEP ASSIST • LANE DEPARTURE PREVENTION) .
- Does it apply to the condition that use of lane keeping is not desired?
- Does it apply to the condition or the object that is hard to be recognized by the Stereo camera?
- Does it apply to the road condition that the white line or the preceding vehicle is difficult to be recognized?
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 3.
INSPECTION OF WINDSHIELD GLASS AND DASHBOARD .
Check the windshield glass and the dashboard. Ref. to EYESIGHT (DIAGNOSTICS) (EXCEPT FOR HEV)>GENERAL DESCRIPTION>INSPECTION>WINDSHIELD GLASS AND DASHBOARD .

Is the check result OK?

Yes: Go to 4.

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

Is the check result OK?

Yes: Go to 5.

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 6.

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

Is the check result OK?

Yes: Go to 7.

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

Is the check result OK?

Yes: Go to 8.

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. Perform optical axis adjustment of the Stereo camera. Ref. to EYESIGHT>CAMERA ADJUSTMENT, INSPECTION .

Was the fault fixed after adjusting the optical axis?

Yes: The current State is normal.

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