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Home >> Infiniti >> 2004 >> M45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> Refrigerant Pressure Sensor >> Component Description
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Component Description

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.

Fig 1: Identifying Refrigerant Pressure Sensor
G00796700Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Converting Electrostatic Volume Pressure To Voltage Chart
G00796701Courtesy of NISSAN MOTOR CO., U.S.A.