Webinar 006:
Understanding & Troubleshooting Solenoid Circuits (Part 2 of 2)

Picking up the story of solenoids from Webinar W005 we now discuss on-board computer control of solenoid circuits. Find out why two computers are used to control a solenoid circuit. Learn about the different types of solid-state circuits used to control solenoids. Learn about the one critical voltage drop reading that identifies an on-board computer with a defective solenoid driver circuit. See how a PWM (Pulse-Width-Modulated) signal controls a solenoid. Learn how to spot a defective PWM control signal. Solenoid circuit voltage analysis is explained to learn what good voltage readings occur in a computer-controlled solenoid circuit and how circuit voltages change when a problem occurs.

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