Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la or
lemon-manuals.org.ua
(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)
Or, hide this message:
temporarily or
permanently
Crankshaft Position Sensor: Description and Operation
PURPOSE/OPERATION The crank angle of each cylinder is detected by the light emitting diode and photo diode. According to the signals sent from the
crankshaft position sensor the engine control module calculates the engine RPM and amount of intake air per stroke and the ignition advance angle.