Crankshaft Position Sensor (POS)

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)
Courtesy of NISSAN MOTOR CO., U.S.A.
Check resistance as shown in Fig 2 .

Fig 2: Terminals And Resistance Specification Chart
Courtesy of NISSAN MOTOR CO., U.S.A.

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