Lane Keep (Lane Keep Assist And Adaptive Cruise Steering Function) Does Not Operate/Is Yawing/Is Swaying

Using CHECK LIST (Lane keep assist/Adaptive cruise steering), check the following and respond to it. Ref. to EYESIGHT (DIAGNOSTICS)>DIAGNOSTICS WITH PHENOMENON>LANE CENTERING FUNCTION>CHECK LIST (LANE KEEP ASSIST AND ADAPTIVE CRUISE STEERING FUNCTION) 

• Does the current status apply to the condition that use of Lane keep assist/Adaptive cruise steering is not desired?
• Does the current status apply to the condition or the object, such as a white line, that is hard to be recognized by the stereo camera?
• Does the current status apply to the condition or the object, such as a preceding vehicle, that is hard to be recognized by the stereo camera?
• Does the current status apply to the condition that sufficient performance of Lane keep assist/Adaptive cruise steering 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.

Using the Subaru Select Monitor, check [Traffic Jam Assist/Lane Keeping Assist Deactivate Code(s) Display]. Ref. to EYESIGHT (DIAGNOSTICS)>TRAFFIC JAM ASSIST/LANE KEEPING ASSIST Deactivate CODE(S) DISPLAY 

Is a deactivate code displayed?

Yes  : The traffic jam assist/lane keep assist did not activate due to the displayed deactivate code content. The system itself is normal.

No  : Go to  3.

Check the windshield glass and the dashboard. Ref. to CAUTION>CHECK WINDSHIELD GLASS INCLUDING PROHIBITED AREA FOR MODEL WITH EyeSight Ref. to CAUTION>CHECK WINDSHIELD GLASS INCLUDING PROHIBITED AREA FOR MODEL WITH EyeSight>2. PROHIBITED AREA OF DASHBOARD AND INSPECTION

Is the check result OK?

Yes  : Go to  4.

No  : Repair or replace the faulty portion according to the inspection result.

Check the front wiper. Ref. to EYESIGHT (DIAGNOSTICS)>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 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 the stereo camera. Ref. to EYESIGHT (DIAGNOSTICS)>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 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  8.

No  : Repair or replace the faulty portion according to the inspection result.

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

Was the fault fixed after adjusting the optical axis?

Yes  : Currently, it is normal. Finish the diagnosis.

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