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)
Or, hide this message:
temporarily or
permanently
Throttle Position Switch: Description and Operation
The idle (IDL) switch detects when the throttle plate is closed and supplies the information the the ECA. The ECA uses this input to control air/fuel ratio, fuel pressure, idle speed and purge flow. The IDL switch is integrated with
throttle position sensor.