9-3 (9440) V6-2.8L Turbo (2008)
The valve is grounded on pin 2 and is activated by the STC control module putting B+ on pin 1.
Every valve has three connections.
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Oil pump output pressure
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Oil pressure to the hydraulic cylinder
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Oil return to the reservoir
The valves have two positions: "Active" and "Inactive".
When a valve is active the pump output is connected to the cylinder . When a valve is inactive the pump output is connected to the return line to the
reservoir.