Kia Optima: Body Electrical System / Auto Lighting Control System

Kia Optima DL3 2019-2023 Service and Repair Manual / Body Electrical System / Auto Lighting Control System


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

Components and components location

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

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.

Body Electrical System
General information General Troubleshooting Information Before Troubleshooting 1. Check applicable fuses in the appropriate fuse/relay box. 2. ...

Auto Light Sensor
Schematic diagrams Circuit Diagram Repair procedures Removal 1. Disconnect the negative battery terminal. 2. Remove the photo s ...

Other information:

Kia Optima DL3 2019-2023 Owner's Manual: Checking the amount of air conditioner refrigerant and compressor lubricant

When the amount of refrigerant is low, the performance of the air conditioning is reduced. Overfilling also has a negative influence on the air conditioning system. Therefore, if abnormal operation is found, have the system inspected by an authorized Kia dealer. WARNING - Vehicles equipped wit ...

Kia Optima DL3 2019-2023 Service and Repair Manual: Power Door Locks

Components and components location Component Location 1. Hood switch 2. Integrated Body Control Unit (IBU) 3. Horn 4. Front door actuator & switch 5. Rear door actuator & switch 6. Trunk actuator & switch ...

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