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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Fuel Cut Control Unit: Description and Operation

Fuel Cut-off Control
During deceleration with the throttle valve closed, current to the injectors is cut off to improve fuel economy at speeds over 850 rpm.

Fuel cut-off action also occurs when engine speed exceeds 6,900 rpm, regardless of the position of the throttle valve, to protect the engine from over-revving. With A/T model, when the vehicle is stopped, the PCM cuts the fuel at engine speeds over 5,000 rpm.