Kia Optima DL3: Body Electrical System / Auto Lighting Control System

Kia Optima DL3 2019-2025 Service and Repair Manual / Body Electrical System / Auto Lighting Control System

Specifications

Items		Specifications
Rated voltage		DC +5 V
Load		Max. 1 mA (Relay load)
Illuminations (Lux)	100	0.76 ± 0.17 V
	200	1.30 ± 0.30 V

Components and components location

Components

1. Auto light sensor
2. Head lamps
3. Integrated central control unit (ICU)

4. Multifunction switch
5. Rear combination lamp
6. Integrated body control unit (IBU)

Description and operation

Description

•	This system uses an illumination sensor to automatically turn ON the tail lamp and head lamp based on the ambient light change in surrounding environment's.

•	It activates when the vehicle enters/exits tunnel, or when the illumination condition in surrounding environment changes due to rain, snow, or fog.

Auto Light Sensor

❮Body Electrical System

General information General Troubleshooting Information Before Troubleshooting 1. Check applicable fuses in the appropriate fuse/relay box.

Auto Light Sensor❯

Schematic diagrams Circuit Diagram Repair procedures Removal 1. Disconnect the negative battery terminal.

Other information:

Kia Optima DL3 2019-2025 Service and Repair Manual: Room Lamp

Repair procedures Removal When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components. 1.

Kia Optima DL3 2019-2025 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