How to test an idle air control valve (IAC) using a Picoscope – Ford

How to test an idle control valve (2-wire solenoid type) using a lab scope. This video is for Automotive Picoscope users, but no matter what type of scope you have, the information contained in this video will help. Even if you do not have a scope, you can still follow this material and measure IAC duty cycle with your digital multimeter.