MX-3 L4-1598cc 1.6L DOHC (1995)
Closed Throttle Position Switch: Description and Operation
The closed throttle position switch (IDL) is an integral part of the throttle position sensor. It is an "ON/OFF" switch which informs the engine control
module (ECM) whether the throttle is completely closed or not.
For further information refer to Computers and Control Systems/ Throttle Position Sensor.