Refrigerant Pressure Sensor: Description

WARNING: This page is about a different car, the 2004 Infiniti I35. However, it is still accessible from the selected car via links, so may be relevant.

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

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

Fig 2: Identifying Refrigerant Pressure And Graph

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