Hyundai Elantra (CN7): Auto Lighting Control System / Components and components location
| Component Location |
| 1. Auto light sensor 2. Head lamps 3. Lighting switch (Auto) | 4. Rear combination lamps 5. Integrated body control unit (IBU) |
DescriptionIt'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.
Specifications Items Specifications Rated voltage5VLoadMax. 1mA (Relay load)Illuminations (LUX)1000.
Other information:
Hyundai Elantra (CN7) 2021-2025 Service Manual: Power Mosfet
Description and operation DescriptionIt is installed to the DATC and adjusts the fan rpm by precisely controlling the voltage applied to the blower motor. Repair procedures Inspection1.Manually operate the control switch and measure the voltage of the blower motor.
Hyundai Elantra (CN7) 2021-2025 Service Manual: Blower Resistor (Manual)
Repair procedures Inspection1.Measure the resistance between the terminals.2.The measured resistance is not within specification, the blower resistor must be replaced. (After removing the resistor)Replacement1.Disconnect the negative (-) battery terminal.
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