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Home >> Lexus >> 2020 >> UX 250h Base >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Lane Control System (Diagnostics - Introduction) >> Lane Control System >> Problem Symptoms Table [07/2022 - ] >> Problem Symptoms Table [07/2022 - ]
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Problem Symptoms Table [07/2022 - ]

HINT: 

LANE CONTROL SYSTEM

Symptom Suspected Area Link
Lane control system cannot be enabled Steering pad switch circuit Refer to Steering Pad Switch Circuit [07/2022 - ]
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) [07/2022 - ]
Sequential Recognition: Refer to TARGET ADJUSTMENT(SEQUENTIAL RECOGNITION) [07/2022 - ]
Driving Adjustment: Refer to DRIVING ADJUSTMENT [07/2022 - ]
The LTA indicator does not illuminate when the LTA main switch is operated. Indicator circuit Refer to Indicator Circuit [07/2022 - ]
Steering pad switch circuit Refer to Steering Pad Switch Circuit [07/2022 - ]
Combination meter assembly Refer to REMOVAL [07/2022 - ]
The LTA indicator does not turn off even when the LTA main switch is operated. Indicator circuit Refer to Indicator Circuit [07/2022 - ]
Steering pad switch circuit Refer to Steering Pad Switch Circuit [07/2022 - ]
Combination meter assembly Refer to REMOVAL [07/2022 - ]
The lane control 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 [07/2022 - ] 
Turn signal switch circuit Refer to Turn Signal Switch Circuit [10/2018 - ]
Increase in cases that driver can see lane markers but system cannot detect lane markers Check if operating conditions are met Refer to PRECAUTION [07/2022 - ] 
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) [07/2022 - ]
Sequential Recognition: Refer to TARGET ADJUSTMENT(SEQUENTIAL RECOGNITION) [07/2022 - ]
Driving Adjustment: Refer to DRIVING ADJUSTMENT [07/2022 - ]
Lane control system is operating, but system operation is not displayed on multi-information display Data List/Active Test
(LDA Control)
Refer to DATA LIST / ACTIVE TEST [07/2022 - ] 
Combination meter assembly Refer to REMOVAL [07/2022 - ]
Buzzer does not sound even when vehicle deviates from its lane. Combination meter assembly Refer to REMOVAL [07/2022 - ]