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: Description and operation

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

    Trouble Symptom ChartsTrouble Symptom 1Trouble Symptom 2 Trouble symptom Probable cause Remedy The set vehicle speed varies greatly upward or downward"Surging" (repeated alternating acceleration and deceleration) occurs after settingMalfunction of the vehicle speed se

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