3. Check Refrigerant Pressure Sensor Power Supply Circuit

WARNING: This page is about a different car, the 2004 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect refrigerant pressure sensor harness connector.
Turn ignition switch ON.
Check voltage between refrigerant pressure sensor terminal 1 and ground with CONSULT-II or tester.
1. Voltage: Approximately 5V

Fig 1: Checking Voltage Between Refrigerant Pressure Sensor Terminal 1 & Ground

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

OK or NG

OK: GO TO 5.

NG: GO TO 4.