Kia Optima DL3: Cruise Control System (CC) / Cruise Control (CC) Switch

Kia Optima DL3 2019-2026 Service and Repair Manual / Advanced Driver Assistance System (ADAS) / Cruise Control System (CC) / Cruise Control (CC) 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

❮Cruise Control System (CC)

Description and operation Cruise Control The cruise control system is engaged by the cruise "ON/OFF" main switch located on the right-hand side of steering wheel column.

Rear View Monitor (RVM)❯

Components and components location Components Location 1. Rear view camera 2. Display audio/AVN head unit 3. Steering angle sensor Description and operation Description • The system displays the rear of the vehicle to assist the driver of potential hazards, it receives vehicle rear side image signal from the rear view monitor and displays it on monitor.

Other information:

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

Description and operation Description The compressor is the power unit of the A/C system. It is located on the side of engine block and driven by a V-belt of the engine. The compressor changes low pressure and low temperature refrigerant gas into high pressure and high temperature refrigerant gas.

Kia Optima DL3 2019-2026 Service and Repair Manual: Evaporator Temperature Sensor

Description and operation Description The evaporator temperature sensor will detect the evaporator core temperature and interrupt compressor relay power in order to prevent evaporator from freezing by excessive cooling. The evaporator temperature sensor has the Negative Temperature Coefficient (NTC).