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

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Throttle Full Close Switch: Description and Operation


PURPOSE
Signals the ECU whether the throttle is completely closed or not.

LOCATION
Integral component of throttle sensor.

OPERATION
This input is used by the ECU in its calculations for these outputs: fuel injection quantity, deceleration fuel cut, idle speed control, ignition timing, purge control, EGR control.