Hyundai Santa Fe (TM): 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.

    Replacement 1. Using a Lwrench, remove the cap (A) on the bottom of the receiver-drier. 2.

    Inspection    • 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 Santa Fe (TM) 2019-2023 Service and Repair Manual: Repair procedures

    Refrigerant System Service Basics (R-134a) Refrigerant Recovery Use only service equipment that is U.L-listed and is certified to meet the requirements of SAE J2210 to remove HFC-134a(R-134a) from the air conditioning system.

    Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Description and operation

    Description and operation    The System may be limited when • The radar sensor or camera is blocked with a foreign object or debris.

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