Kia Optima: Front Radar System / Smart Cruise Control (SCC) Switch

Kia Optima DL3 2019-2021 Service and Repair Manual / Advanced Driver Assistance System (ADAS) / Front Radar System / Smart Cruise Control (SCC) Switch

Components and components location
Components

1. Left remote control switch (Audio + Bluetooth + Voice)
2. Right remote control switch (Trip + SCC + LFA)

Schematic diagrams
Circuit Diagram

Repair procedures
Removal
1.

Remove the steering wheel remote controller. [RH]

(Refer to Body Electrical System - "Steering Wheel Remote Controller")

Installation
1.

Install in the reverse order of removal.

Inspection
1.

Check for resistance between terminals in each switch position.

Switch
Connector terminal
Resistance (±3%)
Pause
2-6
610 Ω
Speed (Down)
910 Ω
Speed (Up)
1.38 kΩ
Cruise ON/OFF
2.13 kΩ
SCC
7.93 kΩ
Trip group
1-6
610 Ω
Trip (Up)
910 Ω
Trip (Down)
1.38 kΩ
Trip (OK)
2.13 kΩ
LFA
7.93 kΩ

Front Radar Unit
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Rear Corner Radar System
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