Camshaft Position Sensor (PHASE)

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

Fig 1: Identifying Camshaft Position Sensor
Courtesy of NISSAN MOTOR CO., U.S.A.
Check resistance as shown in Fig 2 .

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

Fig 3: Terminal Resistance Specification Chart
Courtesy of NISSAN MOTOR CO., U.S.A.