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: Alternator Description and Operation
Description The Alternator has eight built-in diodes, each rectifying AC current to DC current. Therefore, DC current appears at alternator "B" terminal. In addition, the charging voltage of this alternator is regulated by the battery voltage detection system. The alternator is regulated by th ...

Hyundai Elantra AD (2016-2020) Service Manual: Dynamic Damper Repair procedures
Removal 1. Remove the front driveshaft. (Refer to Driveshaft Assembly - "Front Driveshaft") 2. Remove the TJ joint assembly. (Refer to Driveshaft Assembly - "TJ Joint") 3. Remove the remove the both side of band (B) of the dynamic damper (A). 4. Fix the driveshaft (A) with a vice ...