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: Fuel Pressure Regulator Repair procedures
Removal 1. Remove the fuel pump. (Refer to Fuel Delivery System - "Fuel Pump") 2. Disconnect the electric pump wiring connector (A) and the fuel sender connector (B). 3. Remove the head assembly (A) after releasing the cushion fixing hooks. 4. Disconnect the fuel tube quick-connec ...

Hyundai Elantra AD (2016-2020) Service Manual: Repair procedures
Adjustment 1. After loosening the hinge (A) mounting bolt, adjust the hood (B) by moving it up and down or from side to side and tighten the bolt. 2. Adjust the hood height by moving the hood overslam bumpers (C) up and down. 3. After loosening the hood latch (D) mounting bolts, adjust ...

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