Hyundai Elantra: Air Conditioning System / A/C Pressure Transducer Description and Operation

Hyundai Elantra AD (2016-2020) Service Manual / Heating, Ventilation and Air Conditioning / Air Conditioning System / A/C Pressure Transducer Description and Operation

Description

The A/C Pressure Transducer (APT) converts the pressure value of high pressure line into voltage value after measuring it. By converted voltage value, engine ECU controls the cooling fan by operating it high speed or low speed. Engine ECU stops the operation of the compressor when the temperature of refrigerant line is very high or very low irregularly to optimize air conditioning system.

Receiver-Drier Repair procedures

Replacement 1. Remove the condenser. 2. Remove the cap (A) on the bottom of the condenser with a L wrench. Tightening torque : 9.81 ~ 14.71 N.m (1.0 ~ 1.5 kgf.m, 7.2 ~ 10.8 lb-ft) ...

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 ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Drive Belt Repair procedures
Removal 1. Remove the drive belt. (1) Using the wrench, turning the drive belt tensioner (A) counterclockwise. (2) Disconnect the drive belt (A). (3) Remove the drive belt tensioner (A) and then remove the drive belt (B). Inspection 1. Check belt for maintenance and abnormal wea ...

Hyundai Elantra AD (2016-2020) Service Manual: Master Cylinder Repair procedures
Removal 1. Turn ignition switch OFF and disconnect the negative (-) battery cable. 2. Remove the battery. (Refer to Engine Electrical System - "Battery") 3. Remove the ECM (A). 4. Loosen the mounting bolts (A) and then remova the ECM bracket (B). 5. Disconnect the brake fluid l ...