Kia Optima: 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
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– |
Releasing condition: Releasing at the start of driving
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System configuration

ESS Circuit diagram

Components and components location
Components
1. Rear wheel speed sensor
2. Rear wheel speed sensor connector
Repair procedures
Remova ...
Service data
Service Data
Items
Specification
Hood
Type
Rear hinged, gas lifter type
Front Door
...
Other information:
Components and components location
Components
[General Type]
1. Sunvisor [LH]
2. Sunvisor [RH]
3. Roof trim
[Panorama Sunroof Type]
1. Sunvisor [LH]
2. Sunvisor [RH]
3. Roof trim
...
Description and operation
Description
The catalytic converter of the gasoline engine is a three way catalyst. It oxidizes
carbon monoxide and hydrocarbons (HC), and separates oxygen from the oxides of nitrogen
(NOx).
Repair procedures
Removal
[Catalyt ...