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:
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lemon-manuals.org.ua
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Ignition Coil: Description and Operation
IGNITION COILThe ignition power transistor functions to control the
ignition timing by controlling the ignition coil primary current through signals from the ECU and the ignition coil is of the type of ignition order of (#1/#4), (#2/#5), (#3/#6) and is controlled by the power TR built in the ECU.