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: Rear Glass Defogger Printed Heater

Repair procedures Inspection • Wrap tin foil around the end of the voltmeter test lead to prevent damaging the heater line. Apply pressure on the tin foil with hand and move the tin foil along the grid line to check for open circ

Kia Optima DL3 2019-2026 Service and Repair Manual: Compressor oil

Repair procedures Oil Specification 1. The HFC-134a system requires synthetic (PAG) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed. 2. Compressor (PAG) oil varies according to compressor model.