As you think of terms you should associate them into two groups. These are things that give info to the computer and things that accept commands from the computer, otherwise known as inputs and outputs.

The idle control valve is an output. The variety of closed throttle, open throttle, airflow potentiometer, and decel switch are all inputs.

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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician