Lane departure alert system does not operate
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Power source circuit
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Steering pad switch circuit
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CAN communication system
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Forward recognition camera
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The lane departure alert indicator does not illuminate even when the lane departure alert main switch is operated.
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Indicator circuit
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Steering pad switch circuit
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CAN communication system
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Combination meter assembly
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Forward recognition camera
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Driving support ECU assembly
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The lane departure alert indicator does not turn off even when the lane departure alert main switch is operated.
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Indicator circuit
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Steering pad switch circuit
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CAN communication system
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Combination meter assembly
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Forward recognition camera
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Lane departure alert system is not canceled even when turn signal light switch is operated
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Data List/Active Test
(Check turn signal switch signal)
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Turn signal switch circuit
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Forward recognition camera
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Increase in cases that driver can see lane markers but system cannot detect lane markers
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Windshield glass is dirty
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Forward recognition camera is dirty
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Headlight assemblies are dirty or worn
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Non-standard suspension is installed
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Non-standard tires are installed
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Non-Toyota genuine windshield glass is installed
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There is a foreign object or foreign matter between the windshield glass and forward recognition camera
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A sticker or similar item is attached to the area in front of the forward recognition camera
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Adjust forward recognition camera
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Forward recognition camera
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Lane departure alert system is operating, but no operation condition is displayed on multi-information display in combination meter assembly
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Data List/Active Test
(Check the item LDA Control)
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Combination meter assembly
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Forward recognition camera
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Buzzer does not sound even when vehicle deviates from its lane.
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Combination meter assembly
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Forward recognition camera
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