LANE DEPARTURE ALERT SYSTEM PROBLEM SYMPTOMS TABLE

Tech Tips

If problem symptoms are found when a normal code is output in the DTC check on the lane departure alert system and on the communication system, check each symptom by checking the suspected areas in the order they are listed.

Lane Departure Alert System
Symptom Suspected Area Link
Lane departure alert system does not operate at all Power source circuit

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Lane departure alert switch circuit

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Pre-crash safety city sensor

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The lane departure alert indicator light does not illuminate even by operating the lane departure alert switch Lane departure alert switch circuit

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Combination meter assembly

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Pre-crash safety city sensor

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The lane departure alert indicator light does not turn off even by operating the lane departure alert switch Lane departure alert switch circuit

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Combination meter assembly

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Pre-crash safety city sensor

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The lane departure alert system is not canceled even by operating the turn signals Data List/Active Test (meter/gauge system)

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Lighting system/turn signal switch (light control switch) circuit

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Pre-crash safety city sensor

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Situations in which the lane departure alert system cannot recognize the lanes even though the white lines are visible have significantly increased Dirt on the windshield glass -
Dirt on the pre-crash safety city sensor -
Dirt on the headlight assembly -
Object placed on top of instrument panel -
Headlight assembly has been modified -
Replacement with suspension outside of specifications -
Foreign object between windshield glass and pre-crash safety city sensor -
Pre-crash safety city sensor adjustment

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The lane departure alert system is operating but is not displayed in the multi-display in the combination assembly Combination meter assembly

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Pre-crash safety city sensor

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