Operation CHARM: Car repair manuals for everyone.

Variable Induction Control Solenoid: Description and Operation



PURPOSE
Allows Engine Control Module (ECM) to control the Power Valve.

OPERATION
The ECM supplies the ground circuit to the solenoid. When the solenoid is energized a plunger is pulled, redirecting vacuum from the source and vent port to the source and valve port allowing vacuum to be applied to the power valve diaphragm.