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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Throttle Full Close Switch: Description and Operation
ISA Motor/Closed Throttle Switch:
This switch is part of the Idle Speed Actuator (ISA) Motor and provides throttle angle information to the ECU. The ECU uses this information to adjust the throttle stop angle (by extending or retracting the ISA) in reaction to certain engine operating conditions.
