C 3500 HD Truck 2WD V8-8.1L VIN G (2002)
Camshaft Position Sensor: Description and Operation
Camshaft Reluctor Wheel
The camshaft reluctor wheel is either pressed onto the camshaft or part of the timing gear depending on the application. The feature-or target- is read in a
radial or axial fashion respectively. The wheel is a smooth track, half of which is of a lower profile than the other half. This feature allows the CMP
sensor to supply a signal as soon as the key is turned ON, since the CMP sensor reads the track profile, instead of a notch.
