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Home >> Nissan-Datsun >> 2006 >> Altima Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Component Testing (Qr25DE) >> Refrigerant Pressure Sensor >> Component Description
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Component Description

The refrigerant pressure sensor is installed at the condensor 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 Harness Connector
G04166722Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Refrigerant Pressure Graph
G04166723Courtesy of NISSAN MOTOR CO., U.S.A.