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)

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Cylinder Identification Sensor: Description and Operation

The Cylinder ID (CID) sensor provides crankshaft position information to the Electronic Control Assembly (ECA). The ECA uses this information during engine start up to begin sequential fuel injection at the correct time.