Crankshaft Position Sensor 23731-3S500 Compatible with Nissan Frontier Pickup 1998-04 Xterra 00-04 Urvan 02-03 D21 Pickup 01-02 237313S500

Ignition timing control: The crankshaft position sensor provides a crankshaft Angle signal to help the ECU determine the best ignition timing. Installation position: The sensor is usually installed in the distributor for easy detection of the crankshaft position. Signal acquisition: acquisition of crankshaft Angle, engine speed and piston top dead center signal. Regular check: To ensure the performance of the sensor, it is necessary to check its working status regularly. Diagnosis and repair: Sensor problems are diagnosed with professional tools and repaired or replaced as necessary.