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

Kia Optima DL3 2019-2026 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 2019-2026 Service and Repair Manual: Panorama Sunroof Switch

Schematic diagrams Connector and Terminal Function Repair procedures Inspection 1. Remove the overhead console lamp. (Refer to Lighting System - "Overhead Console Lamp") 2. Check for continuity between the terminals in each switch position according to the table

Kia Optima DL3 2019-2026 Service and Repair Manual: Blower Motor

Repair procedures Inspection 1. Connect the battery voltage and check the blower motor rotation. 2. If the blower motor does not operate well, substitute with a known-good blower motor and check for proper operation.