Honda NSX-T 1998 Manual page 734

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Modulator Valve
The modulator valve uses line pressure from the regulator (to shift control solenoid valves A/B) and the lock-up control
solenoid valves A/B, to maintain accurate shift and lock-up characteristics.
2nd Orifice Control Valve
For smooth shifting between the 2nd and 3rd gear, the open pressure on the 2nd gear side is relieved through a fixed ori-
fice. The valve also moves to equalize pressure differences between the 2nd and 3rd gear.
2nd Exhaust Valve
The 2nd exhaust valve releases 2nd clutch pressure quickly when shifting from the range where hydraulic pressure is
applied to the 2nd clutch in the
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position.