Honda Acura NSX 1991 Service Manual page 412

Description
Secondary Valve Body
The secondary valve body is also mounted on the main valve body with the 3-2 kick down valve, CPC valve, 2nd orifice
control valve, 3rd orifice control valve, modulator valve, 4th exhaust valve, 2nd exhaust valve, servo control valve and
4-3 kick down valve built in.
Primarily, it regulates shift valve operation timing and clutch pressure for shock reduction during shifting.
MODULATOR VALVE
3RD ORIFICE CONTROL
VALVE
CONTROL VALVE
14-24
\
\ \
CPC VALVE
2ND EXHAUST VALVE
'SERVO CONTROL VA1
VALVE
SECONDARY\ VALVE BODY
4-3 KICK DOWN VALVE
.VE