Kia Optima DL3: Front Radar System / Smart Cruise Control (SCC) Switch

Kia Optima DL3 2019-2025 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

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

Specifications Specification Item Specification Power supply 12 V Operation voltage 9 - 16 V Installation angle Horizontal 0 ± 0.

Rear Corner Radar System❯

Components and components location Components 1. Cluster (User setting menu) 2. Rear corner radar 3. Rear corner radar indicator Description and operation Description System Interface System Function • Blind-Spot Collision Warning (BCW) This system uses an audible warning and BCW signal on the mirror when sensing a vehicle in the blind spot area or when the vehicle is approaching at a high speed.

Other information:

Kia Optima DL3 2019-2025 Service and Repair Manual: Power Windows

Components and components location Component Location 1. Power window main switch 2. Rear window main switch 3. Front power window motor 4. Rear power window motor Description and operation Description Power Window Safety Function When the driver or passenger p

Kia Optima DL3 2019-2025 Service and Repair Manual: Auto Defogging Sensor

Description and operation Description The auto defogging sensor is installed on the front window glass. The sensor judges and sends signal if moisture occurs to blow out wind for defogging. The air conditioner control module receives signal from the sensor and restrains moisture and eliminate defog by controlling the intake actu