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Engine Speed Sensor: Description and Operation



Crankshaft Speed And Position Sensor

Description

The Crankshaft Speed and Position Sensor interface consists of an input signal, a reference signal (ground) and a ground screen.

There are two diagnostic checks of the Crankshaft Speed and Position Sensor, a fault is detected if:-
1. A signal has been received from the Camshaft Sensor but no signal has been received from the Crankshaft Speed and Position Sensor.
2. The difference between the counted number of teeth and the actual number of teeth is greater than 1.