Hyundai Elantra (CN7): ESC (Electronic Stability Control) 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)
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Operation condition : In case of quick brake in low speed
–
Releasing condition : Releasing at the start of driving

System Configuration

ESS Circuit Diagram

    Components and components location Components[Rear torsion beam disc brake type]1. Rear wheel speed sensor2. Rear wheel speed sensor connector[Rear multi link disc brake type]1.

    Other information:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Specification

    S

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Power Mosfet

    Description and operation DescriptionIt is installed to the DATC and adjusts the fan rpm by precisely controlling the voltage applied to the blower motor. Repair procedures Inspection1.Manually operate the control switch and measure the voltage of the blower motor.

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