Component Inspection

WARNING: This page is about a different car, the 2010 Infiniti M35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK CRANKSHAFT POSITION SENSOR-I
1. Turn ignition switch OFF.
2. Loosen the fixing bolt of the sensor.
3. Disconnect crankshaft position sensor harness connector.
4. Remove the sensor.
5. Visually check the sensor for chipping.
  Is the inspection result normal?
  
  YES: GO TO 2.
  
  NO: Replace crankshaft position sensor.
  
  Fig 1: Identifying Crankshaft Position Sensor
  Courtesy of NISSAN MOTOR CO., U.S.A.

CHECK CRANKSHAFT POSITION SENSOR-II

Check resistance between crankshaft position sensor terminals as per the following.

TERMINAL RESISTANCE CHART

Terminals (Polarity)	Resistance
1 (+) - 2 (-)	Except 0 or ∞ Ω [at 25°C (77°F)]
1 (+) - 3 (-)
2 (+) - 3 (-)

Is the inspection result normal?

YES: INSPECTION END

NO: Replace crankshaft position sensor.

Fig 2: Checking Resistance Between Crankshaft Position Sensor Terminals

Courtesy of NISSAN MOTOR CO., U.S.A.