WARNING: This page is about a different car, the 2004 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
Check resistance between terminals 1, 2, and 3.
Fig 1: Checking Turbine Revolution Sensor Resistance (1 Of 2)
Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Checking Turbine Revolution Sensor Resistance (2 Of 2)