ON/OFF SOLENOID VALVE OPERATION[GF4AX-EL]
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On
• The coil is energized, drawing the plunger upward to open the drain port and release hydraulic pressure.
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Off
• The plunger moves down due to spring force, closing the drain port to maintain hydraulic pressure.
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ATF Flow
Solenoid Valve
Released
On
Pressure maintained
Off
