Active Lane Keep (Lane Departure Prevention)

Phenomenon		Check Item	Note
1	Lane keep switch is not turned to ON. (Lane keep indicator light does not illuminate in white.)	(1) Perform the real-time diagnosis. Check the input signal of EyeSight system.	Real-time diagnosis. Refer to EYESIGHT (DIAGNOSTICS)>REAL-TIME DIAGNOSIS . When normal, go to (3). When abnormal, go to (2).
		(2) Check the lane keep switch.	Check EyeSight steering switch. Refer to EYESIGHT (DIAGNOSTICS)>DIAGNOSTICS WITH PHENOMENON>CHECK EYESIGHT STEERING SWITCH .
		(3) Check the combination meter.	Combination meter (diagnostics). Refer to COMBINATION METER (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE .
2	Lane keep (lane departure prevention) does not turn to standby mode. (Lane indicator light does not illuminate.) Lane keep (lane departure prevention) does not operate. (Lane keep indicator light does not illuminate in green.) Though lane keep (lane departure prevention) is operating, the vehicle departs out of the lane due to poor assistance.	(1) Read the lane departure prevention deactivate code. Refer to EYESIGHT (DIAGNOSTICS)>ACTIVE LANE KEEP SYSTEM CODE (S) DISPLAY .	When there is a relevant item in the lane departure prevention deactivate code, it can be the cause of malfunction. Eliminate the cause, and check that the malfunction has been improved. If not solved, go to (2).
		(2) Using CHECK LIST (LANE KEEP), check the current conditions and respond to it. 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 is difficult to be recognized?	Check list (lane keep). Refer to EYESIGHT (DIAGNOSTICS)>DIAGNOSTICS WITH PHENOMENON>DIAGNOSTIC PROCEDURE WITH PHENOMENON>CHECK LIST (ACTIVE LANE KEEP) . When there is a relevant item in the check list, it can be the cause of malfunction. Eliminate the cause, and check that the malfunction has been improved. If not solved, go to (3).
		(3) Check the windshield glass and dashboard.	Inspection of windshield glass and dashboard. Refer to EYESIGHT (DIAGNOSTICS)>GENERAL DESCRIPTION>INSPECTION>WINDSHIELD GLASS AND DASHBOARD . When normal, go to (4).
		(4) Check the front wiper.	Inspection of front wiper. Refer to EYESIGHT (DIAGNOSTICS)>GENERAL DESCRIPTION>INSPECTION>FRONT WIPER . When normal, go to (5).
		(5) Check the optical axis of the headlights.	Headlight optical axis adjustment. Refer to LIGHTING SYSTEM>HEADLIGHT ASSEMBLY>ADJUSTMENT . When normal, go to (6).
		(6) Check the stereo camera.	CHECK STEREO CAMERA. Refer to EYESIGHT (DIAGNOSTICS)>GENERAL DESCRIPTION>INSPECTION>STEREO CAMERA . When normal, go to (7).
		(7) Check the tires and wheel alignment.	When normal, go to (8).
		(8) Check the optical axis of the stereo camera.	Adjust the optical axis of the stereo camera. Refer to EYESIGHT>CAMERA ADJUSTMENT, INSPECTION>PROCEDURE .
3	Lane keep (lane departure prevention) is cancelled without releasing operation.	Read the lane departure prevention deactivate code. Refer to EYESIGHT (DIAGNOSTICS)>ACTIVE LANE KEEP SYSTEM CODE (S) DISPLAY .	When there is a relevant item in the lane departure prevention deactivate code, it can be the cause of malfunction. Eliminate the cause, and check that the malfunction has been improved.