Hyundai Elantra (CN7): ESC (Electronic Stability Control) System / Emergency Signal System
Description and operation
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 |
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| Releasing condition : In case of stopping the quick brake or releasing the ABS operation |
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| 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 |

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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:
Components and components location
Components Location[General type]1. Condenser[N Line]1. Condenser
Repair procedures
Inspection1.Check the condenser fins for clogging and damage. If clogged, clean them with water, and blow them with compressed air.
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