Operation CHARM: Car repair manuals for everyone.
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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Ignition Switch-ST [M/T]

The ignition switch-ST inputs a high signal to the ECM while the engine is cranking. The ECM provides fuel injection control, etc. at engine start-up based on this signal.

Circuit Diagram:






Harness Inspection (Step 1):