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: Fuses And Relays

    Components and components location Component Location 1. Engine room relay box 2. Sub relay box 3. ICU Junction block 4. ICM relay box Relay Box (Engine Compartment).

    Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Condenser. Repair procedures

    Inspection 1. Check the condenser fins for clogging and damage. If clogged, clean them with water, and blow them with compressed air. If bent, gently bend them using a screwdriver or pliers. 2.

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