Component Inspection

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK CRANKSHAFT POSITION SENSOR (POS)-I
1. Loosen the fixing bolt of the sensor.
2. Disconnect crankshaft position sensor (POS) harness connector.
3. Remove the sensor.
4. Visually check the sensor for chipping.
Is the inspection result normal?

YES: GO TO 2.

NO: Replace crankshaft position sensor (POS)

Fig 1: Identifying Crankshaft Position Sensor
Courtesy of NISSAN MOTOR CO., U.S.A.

CHECK CRANKSHAFT POSITION SENSOR (POS)-II

Check resistance crankshaft position sensor (POS) terminals as per the following.

RESISTANCE REFERENCE

Terminal No. (Polarity)	Resistance
1 (+) - 2 (-)	Except 0 or ∞ Ω [at 25°C (77°F)]
1 (+) - 3 (-)
2 (+) - 3 (-)

Fig 2: Checking Resistance Crankshaft Position Sensor Terminals

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

Is the inspection result normal?

YES: INSPECTION END

NO: Replace crankshaft position sensor (POS)