Kia Stinger CK Quiz
Heating, Ventilation, and Air Conditioning

A/C Pressure Sensor

In this manual: Heating, Ventilation, and Air Conditioning
General Information — 8Maintenance — 27Engine Mechanical System — 47Engine Electrical System — 19Emission Control System — 12Engine Control System/Fuel System — 51Automatic Transmission System — 34All-Wheel Drive (AWD) System — 7Drive Shaft and Axle — 15Suspension System — 25Steering — 8Restraints — 19Brake System — 22Body (Interior and Exterior) — 47Front Seat Belt — 63Body Electrical System — 99Windshield Wiper/Washer — 11Heating, Ventilation, and Air Conditioning — 32
8steps
~48min
3/5difficulty
01020304050129N·mlb·ft
Tightening torque found on this page
Done 0 of 8

Description and Operation

Description

The A/C pressure sensor measures the pressure in the high-pressure line and converts it into a voltage. Based on the converted voltage, the ECM controls the cooling fan operation at high or low speed. The ECM stops the compressor when the refrigerant line temperature is too high or too low to optimize the air conditioning system.

Repair Procedures

Inspection

  1. Measure the high-side line pressure by measuring the output voltage between terminals "1" and "2".

  2. Check whether the voltage is within specification.

  3. If the measured voltage is not within specification, replace the pressure sensor.

    Voltage = 0.00878835 * Pressure + 0.37081095

Replacement

  1. Disconnect the negative (-) battery terminal.

  2. Recover the refrigerant using a recovery/recharging station.

  3. Disconnect the air conditioner pressure sensor connector (A).

  4. Remove the A/C pressure sensor (B).

    Tightening torque: 10 – 12 N·m

  5. Install in the reverse order of removal.

Test yourself

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