Camshaft Position Sensor (Phase)

WARNING: This page is about a different car, the 2005 Nissan 350Z. However, it is still accessible from the selected car via links, so may be relevant.

Loosen the fixing bolt of the sensor.
Disconnect CMP sensor (PHASE) harness connector.
Remove the sensor.
Visually check the sensor for chipping.

Fig 1: Checking Sensor For Chipping
Courtesy of NISSAN MOTOR CO., U.S.A.
Check resistance as shown in the figure.

Fig 2: Terminal Resistance Chart
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 3: Checking Camshaft Position Sensor Resistance
Courtesy of NISSAN MOTOR CO., U.S.A.