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:
BMS ECU Terminal and Input/Output Signal
Terminal Function
Connector B10-A
Connector B01-B
Removal
Turn ignition switch OFF and disconnect the battery (-) terminal.
Remove the 48V battery assembly.
(Refer to 48V Battery System - "Repair procedures")
Propeller Shaft Assembly
Components
Front propeller shaft
Center bearing bracket
Rear propeller shaft
Removal
WARNING
When lifting a vehicle using a lift, be careful not to damage the
lower parts of the vehicle (floor under
cover, fuel filter, fuel tank,
Information
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- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual