Honda Acura NSX 1991 Service Manual page 419

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2 Position
The line pressure (I) becomes the line pressure (4), (25) as it passes through the manual valve.
The line pressure (I) goes to the modulator valve and becomes the modulator pressure (6). The modulator pressure (6)
is supplied to the l-2 shift valve and 3-4 shift valve. The l-2 shift and 3-4 shift valves are moved to the left side end
the 2-3 shift valve is moved to the right side because the shift control solenoid valve A and B are turned OFF by the
A/T control unit.
The line pressure (4) goes through the line (20) to the 2nd clutch, then the 2nd clutch is engaged.
The line pressure (4) also flows to the throttle valve and the line pressure (1) flows to the 1st clutch. However no power
is transmitted by means of the one-way clutch.
NOTE: When used, "left" or "right" indicates direction on the flow chart.
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