Intake Valve Timing Control Position Sensor

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect intake valve timing control position sensor harness connector.
Loosen the fixing bolt of the sensor.
Remove the sensor.
Visually check the sensor for chipping.
Check resistance as shown below.

Fig 1: Identifying Intake Valve Control Sensor Resistance Information
Courtesy of NISSAN MOTOR CO., U.S.A.
If NG, replace intake valve timing control position sensor.