Hyundai Elantra: 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: 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) 3. Remove the receiver-drier (A) from condenser using a long nose plier. Check for crumbled recei ...

Hyundai Elantra AD (2016-2020) Service Manual: Rear Suspension System
Components and Components Location Components Location 1. Rear shock absorber2. Coil spring3. Torsion beam axle4. Torsion beam axle cover Rear Shock Absorber Components and Components Location Components 1. Shock absorber dust cap2. Lock nut3.Insulator assembly 4. Bumper rubber5. Dust c ...

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