Hyundai Elantra: Air Conditioning System / Evaporator Temperature Sensor Description and Operation

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

Description

The evaporator temperature sensor will detect the evaporator core temperature and interrupt compressor relay power in order to prevent evaporator from freezing by excessive cooling. The evaporator temperature sensor has the Negative Temperature Coefficient (NTC). Electrical resistivity of NTC will increase with decreasing temperature and decrease with increasing temperature.

A/C Pressure Transducer Repair procedures

Inspection 1. Measure the pressure of high pressure line by measuring voltage output between terminal “1” and “2”. 2. Inspect the voltage value whether it is sufficient to be regular v ...

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 ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Engine Control Module (ECM) Repair procedures
Removal • When replacing the ECM, the vehicle equipped withthe immobilizer must be performed procedure asbelow. [In the case of installing used ECM] 1) Perform "ECM Neutral mode" procedure with GDS. (Refer to Body Electrical System - "Immobilizer System") 2) After ...

Hyundai Elantra AD (2016-2020) Service Manual: Troubleshooting
Troubleshooting Problem Symptoms Table Use the table below to help you find the cause of the problem. The numbers indicate the priority of the like cause of the problem. Check each part in order. If necessary, replace these parts. SymptomSuspect AreaReferenceLower pedal or spongy pedal ...