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"The CKP sensor is located at the rear of the engine block on the left hand side. The sensor tip is aligned with a magnetic
trigger which is attached to the crankshaft. The reluctor is a press fit on the end of the crankshaft. The trigger wheel must be carefully aligned to the crankshaft to ensure correct timing. The sensor produces a square wave signal, the frequency of which is proportional to engine speed. The ECM monitors the CKP sensor signal and can detect engine over-speed. The ECM counteracts engine over-speed by gradually fading out speed synchronised functions. The CKP is a Hall effect sensor. The sensor measures the magnetic field variation induced by the magnetised trigger wheel. The trigger wheel has two missing teeth representing 6º of crankshaft rotation. The two missing teeth provide a reference point for the angular position of the crankshaft" |
Originally Posted by RoverMasterTech
(Post 523159)
"The CKP sensor is located at the rear of the engine block on the left hand side. The sensor tip is aligned with a magnetic
trigger which is attached to the crankshaft. The reluctor is a press fit on the end of the crankshaft. The trigger wheel must be carefully aligned to the crankshaft to ensure correct timing. The sensor produces a square wave signal, the frequency of which is proportional to engine speed. The ECM monitors the CKP sensor signal and can detect engine over-speed. The ECM counteracts engine over-speed by gradually fading out speed synchronised functions. The CKP is a Hall effect sensor. The sensor measures the magnetic field variation induced by the magnetised trigger wheel. The trigger wheel has two missing teeth representing 6º of crankshaft rotation. The two missing teeth provide a reference point for the angular position of the crankshaft" |
http://www.jackssmallengines.com/gra...large/8007.jpg
2 of these overlapping each other welded to the crank pulley. |
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