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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Inhibitor Switch
PURPOSE The
Inhibitor Switch signals the Engine Control Module
(ECM) of gear position.
OPERATION The ECM uses the
Inhibitor Switch signal to make sure fuel cut does not happen unless the transmission is in gear. This prevents engine dying during deceleration. Inhibitor Switch signals are created in Neutral and Park positions.