Kia Optima DL3: ESC (Electronic Stability Control) System / Emergency Signal System

Description and operation

Description

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

Releasing condition: In case of stopping the quick brake or releasing the ABS operation

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

System configuration

ESS Circuit diagram

    Components and components location Components 1. Rear wheel speed sensor 2. Rear wheel speed sensor connector Repair procedures Removal 1.

    Service data Service Data Items Specification Hood Type Rear hinged, gas lifter type Front Door Construction Front hinged, frame door construction Regulator system Wire drum type Locking system Pin-fork system Rear Door Construction Front hinged, frame door construction Regulator system Wire drum type Locking system Pin-fork system Trunk Lid Type Front hinged Seat Belts Front 3 point type with Emergency Locking Retractor (E.

    Other information:

    Kia Optima DL3 2019-2025 Service and Repair Manual: Trunk Room Lamp

    Repair procedures Removal 1. Disconnect the negative battery terminal. 2. Remove the trunk room lamp (A) by pressing the hook. 3. Disconnect the trunk room lamp connector (A).

    Kia Optima DL3 2019-2025 Service and Repair Manual: A/C Pressure Transducer

    Description and operation Description The A/C Pressure Transducer (APT) converts the pressure value of high pressure line into voltage value after measuring it. By converted voltage value, engine ECU controls the cooling fan by operating it high speed or low speed.

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