Distributor Ignition (Di) System - Except Maxima & SENTRA 1.8L: Notes
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2000 Nissan Xterra, 2000 Nissan Sentra, 2000 Nissan Quest, 2000 Nissan Pathfinder, and 2000 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
A camshaft position sensor, mounted inside distributor, monitors engine speed and piston location. See Figure. Signals created by camshaft position sensor are sent to ECM.