Problem Symptoms Table [12/2021 - ]

NOTE:

When replacing the forward recognition camera, always replace it with a new one. If a forward recognition camera which was installed to another vehicle is used, the information stored in the forward recognition camera will not match the information from the vehicle and a DTC may be stored.
When the forward recognition camera is replaced with a new one or the windshield glass is replaced or removed/installed, make sure to read Before Starting Adjustment, then perform optical axis alignment for the forward recognition camera and clear the vehicle control history for each system.
HINT:

Forward recognition camera axis alignment can be performed by using either One Time Recognition, Sequential Recognition or Driving Adjustment.

One time recognition: Refer to TARGET ADJUSTMENT (ONE TIME RECOGNITION) [12/2021 - ]

Sequential recognition: Refer to TARGET ADJUSTMENT (SEQUENTIAL RECOGNITION) [12/2021 - ]

Driving Adjustment: Refer to DRIVING ADJUSTMENT [12/2021 - ]
When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.

HINT:

If no problem symptoms are found when a DTC is output in the DTC check on the lane tracing assist system, check each symptom by checking the suspected areas in the order they are listed.
Before performing failure diagnosis according to the following inspection points, check the forward recognition camera system power source circuit fuses and relays.

LANE TRACING ASSIST SYSTEM

Symptom	Suspected Area	Link
Lane tracing assist system cannot be enabled	Steering pad switch circuit	Refer to Steering Pad Switch Circuit [12/2021 - 10/2022] , or refer to Steering Pad Switch Circuit [10/2022 - ]
Lane tracing assist system cannot be enabled	Forward recognition camera adjustment HINT: Forward recognition camera axis alignment can be performed by using either One Time Recognition, Sequential Recognition or Driving Adjustment.	One time recognition: Refer to TARGET ADJUSTMENT (ONE TIME RECOGNITION) [12/2021 - ] Sequential recognition: Refer to TARGET ADJUSTMENT (SEQUENTIAL RECOGNITION) [12/2021 - ] Driving Adjustment: Refer to DRIVING ADJUSTMENT [12/2021 - ]
The LTA indicator light does not turn on or off even by operating the LTA Main Switch	Indicator circuit	Refer to Indicator Circuit [12/2021 - ]
	Steering pad switch circuit	Refer to Steering Pad Switch Circuit [12/2021 - 10/2022] , or refer to Steering Pad Switch Circuit [10/2022 - ]
	Combination meter assembly	Refer to REMOVAL [11/2018 - 10/2022] , or refer to REMOVAL [10/2022 - ]
The lane tracing assist system is not canceled even by operating the turn signals	Data List / Active Test (Check the item "Turn Switch (Right)", "Turn Switch (Left)")	Refer to DATA LIST / ACTIVE TEST [12/2021 - ]
	Turn signal switch circuit	Refer to Turn Signal Switch Circuit [12/2021 - ]
The lane tracing assist system does not operate many times even when the white lines are visible	Check if operating conditions are met	Refer to PRECAUTION [12/2021 - ]
	Adjust forward recognition camera HINT: Forward recognition camera axis alignment can be performed by using either One Time Recognition, Sequential Recognition or Driving Adjustment.	One time recognition: Refer to TARGET ADJUSTMENT (ONE TIME RECOGNITION) [12/2021 - ] Sequential recognition: Refer to TARGET ADJUSTMENT (SEQUENTIAL RECOGNITION) [12/2021 - ] Driving Adjustment: Refer to DRIVING ADJUSTMENT [12/2021 - ]
The lane tracing assist system is operating but the system control status is not displayed on the multi-information display	Data List/Active Test (LDA Control)	Refer to DATA LIST / ACTIVE TEST [12/2021 - ]
	Combination meter assembly	Refer to REMOVAL [11/2018 - 10/2022] , or refer to REMOVAL [10/2022 - ]
The lane departure warning function is on but the buzzer does not sound even when straying from white line	Combination meter assembly	Refer to REMOVAL [11/2018 - 10/2022] , or refer to REMOVAL [10/2022 - ]