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Camshaft Position Sensor: Description and Operation

CAMSHAFT POSITION SENSOR (CMPS)







DESCRIPTION
Camshaft Position Sensor (CMPS) is a hall sensor and detects the camshaft position by using a hall element. It is related with Crankshaft Position Sensor (CKPS) and & detects the piston position of each cylinder which the CKPS can't detect. The two CMPS are installed on engine head cover of bank 1 and 2 and uses a target wheel installed on the camshaft. This sensor has a hall-effect IC which output voltage changes when magnetic field is made on the IC with current flow.

Waveform:




WAVEFORM

Schematic Diagram:




SCHEMATIC DIAGRAM