Crankshaft Position Sensor (Pos)

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

Loosen the fixing bolt of the sensor.
Disconnect crankshaft position sensor (POS) harness connector.
Remove the sensor.
Visually check the sensor for chipping.

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

Fig 2: Crankshaft Position Sensor (POS) Resistance Chart
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 3: Checking Crankshaft Position Sensor (POS) Resistance
Courtesy of NISSAN MOTOR CO., U.S.A.