VARIABLE BOOST CONTROL (VBC) SOLENOID VALVE CONSTRUCTION/OPERATION[MZ-CD 1.6 (Y6)]

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Construction

•  Consists of the solenoid coil, spring, and plunger.

Operation

Energized
•  The solenoid coil magnetizes, pulling the plunger. The passage between B and C ports opens due to the plunger being pulled, and vacuum is applied to the actuator.
Non-energized
•  The vacuum passage is blocked, and the passage between ports A and B opens, depressurizing the actuator.
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1
Port A (to vacuum chamber (High power-Euro 4) or air cleaner (Standard power-Euro 4))
2
Port B (to VBC valve actuator)
3
Port C (to atmospheric air)