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: Troubleshooting
Troubleshooting SymptomSuspect areaRemedyCharging warning indicator does not light with ignition switch "ON" and engine off.Fuse blownCheck fusesLight burned outReplace lightWiring connection looseTighten loose connectionElectronic voltage regulatorDisconnect the voltage regulator to see if lig ...

Hyundai Elantra AD (2016-2020) Service Manual: External AMP Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Open the trunk, remove the right luggage side trim. (Refer to Body - "Trunk Trim") 3. Remove the external amplifier (B) after disconneting the connector (A) and loosening the mounting nuts. Installation 1. Install the exte ...