Hyundai Ioniq (AE): ESP(Electronic Stability Program) System / Emergency Signal System. Description and operation

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Brake System / ESP(Electronic Stability Program) System / Emergency Signal System. Description and operation

Description
Introduction of Quick Brake Warning System (ESS)
In case of quick brake by driver, the brake lamp or turn signal is blinked to warn against the vehicle at rear.

1.
Basic function (Blinking the brake lamp/emergency lamp)
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Operation condition: In case of quick brake or operation of ABS above in a certain speed
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Releasing condition: In case of stopping the quick brake or releasing the ABS operation
2.
Additional function (Blinking the turn signal)
–
Operation condition: In case of quick brake in low speed
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Releasing condition: Releasing at the start of driving

System Configuration

ESS Circuit Diagram

    Removal1.Turn ignition switch OFF and disconnect the negative (-) battery cable.2.Remove the crash pad lower cover.(Refer to Body - "Crash Pad")3.Disconnect the crash pad side switch assembly.

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