Acura NSX 1997 Service Manual page 387

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Hydraulic Flow (cont'd)

The flow of fluid through the torque converter circuit is the same as in the

through the manual valve and becomes line pressure (3). It then flows through the 1-2 shift valve to the servo valve (3),

moving the shift fork shaft to the reverse position.

Under this condition, shift control solenoid valve A is turned ON and valve B is turned OFF as in 3rd gear. As a result, the

1-2 shift valve moves to the left side. Fluid (3') flows through the servo valve and the manual valve to the 4th clutch, and

power is transmitted through the 4th clutch.

Reverse Inhibitor Control

position is selected while the vehicle is moving forward at a speed over 6 mph (10 km/h), the TCM out-

puts 1st signal (A: OFF, B: ON), and the 1-2 shift valve is moved to the right side. Line pressure (3) is intercepted by

the 1-2 shift valve, and power is not transmitted since the 4th clutch and the servo valve are not operating.

NOTE: When used, "left" or "right" indicates direction on the hydraulic circuit.

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position. Fluid (1) from the ATF pump flows

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