Hyundai Ioniq: Air Conditioning System / A/C Pressure Transducer. Description and operation

Hyundai Ioniq (AE) 2017-2025 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

Replacement1.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...

A/C Pressure Transducer. Repair procedures

Inspection • Before measuring the pressure of the refriferant line, check whether the refrigerant amount is charged in accordance with the specified charging amount...

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Hyundai Ioniq (AE) 2017-2025 Service Manual: Knock Sensor (KS). Description and operation

DescriptionKnocking is a phenomenon characterized by undesirable vibration and noise and can cause engine damage. Knock Sensor (KS) is installed on the cylinder block and senses engine knocking.When knocking occurs, the vibration from the cylinder block is applied as pressure to the piezoelectric element...

Hyundai Ioniq (AE) 2017-2025 Service Manual: High voltage shut-off procedures

High Voltage Shut-off Procedures • Be sure to read and follow the "General Safety Information and Caution" before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries...