Kia Optima: ESC (Electronic Stability Control) System / ESC OFF Switch

Kia Optima DL3 2019-2021 Service and Repair Manual / Brake System / ESC (Electronic Stability Control) System / ESC OFF Switch

Description and operation

Description

1.	The ESC OFF switch is for the user to turn off the ESC system.

2.	The ESC OFF lamp is on when ESC OFF switch is engaged.

Repair procedures

Removal

1.	Disconnect the negative (-) battery terminal.

2.	Remove the crash pad lower panel. (Refer to Body - "Crash Pad Lower Panel")

3.	Remove the crash pad garnish[LH]. (Refer to Body - "Crash Pad Lower Garnish")

4.	Remove the crash pad lower garnish [LH] after loosening the mounting screws.

5.	Disconnect the crash pad lower garnish [LH] connector (A).

6.	Remove the side crash pad switch (A) after loosening the mounting screws.

Installation

1.	Install in the reverse order of removal.

Inspection

1.	Check the switch terminal and replace if abnormal.

ESC Control Module

Components and components location Components 1. Front - right (FR) 2. Rear - left (RL) 3. Rear - right (RR) 4. Front - left (FL) 5. MC2 6. MC1 7 ...

Front Wheel Speed Sensor

Components and components location Components 1. Front wheel speed sensor 2. Front wheel speed sensor connector Repair procedures Remo ...

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