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

Kia Optima DL3 2019-2026 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 2019-2026 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.

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

Description and operation Description The ambient temperature sensor is located at the front of the condenser and detects ambient air temperature. It is a negative type thermistor; resistance will increase with lower temperature, and decrease with higher temperature.