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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Actuator Test Reference Table

Actuator Test Reference Table Part 1:




Actuator Test Reference Table Part 2:






NOTE: If an injector operates properly, it releases fuel when activated by the PCM. Prolonged injector actuation, particularly on vehicles equipped with multi-port systems may cause excessive amounts of fuel to be deposited in the intake manifold. Hydrostatic lock may result.