Hyundai Elantra: 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.
Schematic Diagrams
Circuit Diagram ...

Auto Light Sensor Repair procedures
Inspection Check if the auto light control operates like a timing chart shown below. Tail lamp output and head lamp (Low) output is controlled based on the auto light sensor's input (illuminati ...

Other information:

Hyundai Elantra AD (2016-2020) Owners Manual: Check Tire Pressure
■ Supervision cluster You can check the tire pressure in the Assist Mode on the cluster. Refer to the "LCD Display Mode" section in chapter 3. A "Drive to display" message will appear for the first few minutes of driving after initial engine start up. If the tire ...

Hyundai Elantra AD (2016-2020) Service Manual: Engine Control Module (ECM) Schematic Diagrams
ECM Terminal And Input/Output signal Harness Connector ECM Terminal Function Connector [C300-A] Pin No.DescriptionConnected to1- 2ETC Motor [+] control outputETC Motor3- 4Motor [-] control outputVariable Charge Motion Actuator (VCMA)5- 6- 7- 8- 9- 10Clutch switch signal input [M/T]Clutch s ...

© 2018-2025 www.helantraad.com