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:
Refrigerant System Service Basics (R- 1234yf)
Refrigerant Identification
Do not mix HFO-1234yf (R-1234yf) in the vehicle with other refrigerant,
such as R-12. R-134a and
etc.
Use only service equipment that is U.L-listed and is certified to meet
the requirements of SAE
standards
Inside rear view mirror
Component Location
Inside rear view mirror
Replacement
WARNING
When removing with a flat-tip screwdriver or remover, wrap
protective tape around the tools to
prevent damage to components.
Put on gloves to prevent hand injuries.
Information
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