Hyundai Tucson: Introduction of Quick Brake Warning System (ESS)
Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Brake System / ESC (Electronic Stability Control) System / Introduction of Quick Brake Warning System (ESS)
Description
In case of quick brake by driver, the brake lamp or turn signal is blinked to warn against the vehicle at rear.

- 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
- 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

READ NEXT:
General Information
Troubleshooting
Specifications
Tightening Torque
Special Service Tools
Fender
Component Location
Fender assembly
Replacement
WARNING
When removing the fender, wrap protective tape around a
screwdriver or remover not to damage
components
Put on gloves to prevent hand injuries
Remove the front bumper
SEE MORE:
Refrigeration Cycle
Engine Room
Compressor
Service port (Low pressure)
A/C pressure transducer (APT)
Service port (High pressure)
Suction & Liquid pipe assembly
Expansion valve cover
Interior
Auto defogging sensor
Photo sensor
PM s
Occupant Classification System (OCS)
Your vehicle is equipped with an
Occupant Classification System (OCS) in
the front passenger's seat.
Main components of the Occupant
Classification System
A detection device located within the
front passenger seat cushion.
Electronic
Information
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