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:
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lemon-manuals.org.ua
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Throttle Position Switch: Testing and Inspection
Chart C-1B:
Chart C-1A/B Wiring Diagram:
DESCRIPTION The idle switch provides the ECM with information used to decide closed loop operation and indicates the off-idle condition to the ECM. This switch is normally closed at idle and opens above 1800 rpm, which is then the off-idle condition.
