Component Description

The refrigerant pressure sensor (1) 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

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Output Voltage VS Refrigerant Pressure

Courtesy of NISSAN MOTOR CO., U.S.A.