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Refrigerant Pressure Sensor: Wiring Diagram

WARNING: This page is about a different car, the 2007 Nissan Versa. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: EC-RP/SEN-01 - Wiring Diagram
G04812634Courtesy of NISSAN NORTH AMERICA, INC.

Specification data are reference values and are measured between each terminal and ground.

CAUTION: Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in damage to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
VOLTAGE CONDITION REFERENCE CHART

TERMINAL NO. WIRE COLOR ITEM CONDITION DATA (DC Voltage)
41 GR Refrigerant pressure sensor [Engine is running] 
  • Warm-up condition 
  • Both A/C switch and blower fan switch: ON

    (Compressor operates)

 1.0 - 4.0V
48 BR Sensor ground (Refrigerant pressure sensor) [Engine is running] 
  • Warm-up condition 
  • Idle speed
 Approximately 0V
74 W Sensor power supply (Refrigerant pressure sensor) [Ignition switch: ON]  Approximately 5V
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