Hyundai Elantra: Air Conditioning System / In-car Sensor Description and Operation

Hyundai Elantra AD (2016-2020) Service Manual / Heating, Ventilation and Air Conditioning / Air Conditioning System / In-car Sensor Description and Operation

Description

The In-car air temperature sensor is built in the heater & A/C control unit.

The sensor contains a thermistor which measures the temperature of the inside. The signal decided by the resistance value which changes in accordance with perceived inside temperature, is delivered to heater control unit and according to this signal the control unit regulates in-car temperature to intended value.

Evaporator Temperature Sensor Repair procedures

Inspection 1. Turn the ignition switch OFF. 2. Disconnect the evaporator temperature sensor connector. 3. Measure the resistance between terminal "+" and "-" of the evaporator temperature ...

In-car Sensor Repair procedures

Diagnosis With GDS 1. The heating, ventilation and air conditioning can be quickly diagnosed failed parts with vehicle diagnostic system (GDS). ? The diagnostic system (GDS) provides the follow ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Specifications
Specification ItemSpecificationUltrasonic sensorVoltage ratingDC 12VDetecting rangeF PAS : 100 / 60 /30cmR PAS : 120 / 60 /30cmOperation voltageDC 9 ~ 16VOperation currentMAX 350mAOperation temperature-30°C ~ +80°C (-22°C ~ +176°C)Operation frequency48 ± 5KHzNumber of sensors8EA ...

Hyundai Elantra AD (2016-2020) Owners Manual: Engine Start/Stop Button. Starting the engine
Whenever the front door is opened, the Engine Start/Stop button will illuminate and will go off 30 seconds after the door is closed. WARNING To reduce risk of serious injury or death, NEVER allow children or any person who is unfamiliar with the vehicle to touch the Engine Start/Stop button ...