I realize we DO talk about the "Crank Position Sensor" a lot here, and that google probably gave you a lot of links to this forum, but ours is a two-wire CPS where it sounds like yours is a three-wire version.

The world of the Crossfire is really the world of the Mercedes SLK320, and that's a lot different from a Nissan product. Perhaps someone here will have some insight, but I dont.