Hyundai Elantra (CN7): Auto Lighting Control System / Description and operation

Hyundai Elantra (CN7) 2021-2025 Service Manual / Body Electrical System / Auto Lighting Control System / Description and operation

Description

It's a system that uses illumination sensor to automatically turn ON the tail lamp and head lamp based on the change in surrounding environment's illumination condition. It activates when the vehicle enters/exits tunnel, or when the illumination condition in surrounding environment changes due to rain, snow, or fog. Precautions corresponding to the use of this system are as follows.

1.	Do not add another device on top of this device.

2.	Be sure to switch to manual during poor visibility climate, such as fog, heavy rain, or cloudy weather.

3.	Illumination intensity in an actual vehicle is not always constant, and lamp ON/OFF time may very depending on the climate, season, and surrounding environment.

4.	Use this system only during sunrise and sunset period, and manually control lamp ON/OFF for general conditions.

5.	Error may occur if light block coating that may change interior illumination is applied.

❮Auto Lighting Control System

Components and components location❯

Component Location1. Auto light sensor2. Head lamps3. Lighting switch (Auto)4. Rear combination lamps5. Integrated body control unit (IBU)

Other information:

Hyundai Elantra (CN7) 2021-2025 Service Manual: Photo Sensor

Description and operation Description 1.The photo sensor is located at the center of the defrost nozzles.2.The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar radiation received by its light receiving portion, generates an electromotive force in proportion to the amount of radiation received which is transferred to

Hyundai Elantra (CN7): Auto Lighting Control System / Description and operation

Other information:

Hyundai Elantra (CN7) 2021-2025 Service Manual: Photo Sensor

Hyundai Elantra (CN7) 2021-2025 Service Manual: Description and operation

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