Galant AWD L4-1997cc 2.0L DOHC Turbo (1991)
Closed Throttle Position Switch: Description and Operation
Idle Position Switch Circuit
The Idle Position Switch, which is a contact type switch, senses accelerator operation. It is located on the throttle chamber, at the throttle plate.
When the throttle valve is in the idle position, a lever on the throttle plate pushes on the switch, closing it.