2. Check Refrigerant Pressure Sensor Power Supply Circuit

1. Turn A/C switch and blower switch OFF.
2. Stop engine.
3. Disconnect refrigerant pressure sensor harness connector.
4. Turn ignition switch ON.
   Fig 1: Disconnect Refrigerant Pressure Sensor Harness Connector

   Courtesy of NISSAN MOTOR CO., U.S.A.
5. Check voltage between refrigerant pressure sensor terminal 1 and ground with CONSULT-II or tester.
   1. Voltage: Approximately 5V 

OK or NG 

1. OK : GO TO 4 .
2. NG : GO TO 3.

Fig 2: Check Voltage

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