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

Hyundai Ioniq (AE) 2017-2022 Service & Repair 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.

    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.

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

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Mode Control Actuator. Description and operation

    DescriptionThe mode control actuator is located at the heater unit.It adjusts the position of the mode door by operating the mode control actuator based on the signal of the A/C control unit. Pressing the mode select switch makes the mode control actuator shift in order of Vent → Bi-Level → Floor → Mix.

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Repair procedures

    Replacement1.Remove the battery (-) terminal.2.Remove the engine room under cover.(Refer to Engine Mechanical System - "Engine Room Under Cover")3.Remove the heater hose (A) and AEWP hose (B).4.Disconnect the lock pin to remove the heater hose pump connector (A).

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