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Home >> Infiniti >> 2022 >> QX55 Essential >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (1 Of 3) >> System Description >> Component Parts >> Refrigerant Pressure Sensor

Refrigerant Pressure Sensor

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The refrigerant pressure sensor is installed at the liquid tank of the air conditioner system. The sensor uses an electrostatic volume pressure transducer to convert refrigerant pressure to voltage. The voltage signal is sent to ECM, and ECM controls cooling fan system.

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