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: Specifications

    Specifications Smart Key Unit Items Specification Rated voltage DC 12V Operating voltage DC 9 - 16V Operating temperature -22°F to 167°F (-30°C to- 75°C) Load Max.

    Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Indicators And Gauges

    Troubleshooting Troubleshooting Symptom Possible cause Remedy Speedometer does not operate Cluster fuse (10A) blown Check for short and replace fuse Speedometer faulty Check speedometer CAN line faulty

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