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Home >> Nissan-Datsun >> 2011 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Component Testing (Qr25DE) >> Refrigerant Pressure Sensor >> Component Description

Component Description

The refrigerant pressure sensor (1) is installed at the condenser 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: Location Of Refrigerant Pressure Sensor
G07144506Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Refrigerant Pressure Sensor Output Voltage Graph
G07144507Courtesy of NISSAN MOTOR CO., U.S.A.