Hyundai Elantra (CN7): ESC (Electronic Stability Control) System / Emergency Signal System

Hyundai Elantra (CN7) 2021-2026 Service Manual / Brake System / 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)
–
Operation condition : In case of quick brake or operation of ABS above in a certain speed
–
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
–
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: Special service tools

    Special Service Tools Tool Name / Number Illustration Description LKA Compensator(09890-3V100)Used for compensating front view camera unitBCW Sensor Correction Tool Set(09958-3T500)Used to correct the blind-spot radar unit.

    Hyundai Elantra (CN7) 2021-2026 Service Manual: General safety information and caution

    General Safety Information and Caution1.Be careful when driving the vehicle using the smart cruise control system as follows.(1)On curves or inclines/declines• The smart cruise control system may have limits to detect distance to the vehicle ahead due to road and traffic conditions.

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