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Home >> Infiniti >> 2003 >> Q45 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System & Component Testing >> Miscellaneous Controls >> Refrigerant Pressure Sensor >> Description
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Refrigerant Pressure Sensor: Description

The refrigerant pressure sensor is installed at the receiver drier of the A/C 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.