VARIABLE INTAKE AIR SOLENOID VALVE CONSTRUCTION/OPERATION [L8, LF]

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Construction

• Mainly composed of the solenoid coil, spring, and plunger.

Operation

Energized
• The solenoid coil magnetizes, pulling the plunger. The passage between A and B ports opens due to the plunger being pulled, and intake manifold vacuum is applied to the variable intake air shutter valve actuator.
Not energized
• The intake manifold vacuum passage is blocked, and the passage between ports B and C opens, depressurizing the variable intake air shutter valve actuator.

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