Honda Prelude 1993 Service Manual page 481

!he
hft
the
I Da lPoshion
Fth Speed
The flow of fluid up to ths 1-2, 2-3 and 34 shift vslves is the same as in the 3rd speed. As th€ spe€d of tho car reaches the
pr€scribed valu€, the shitt control sol8noid vatue A is turned olt (shitt control sol€noid valv€ B remsins off).
As this takos place, 3-4 shift valve is moved to th€ left and uncovers tho oil port leading to ths 4th clutch, Sinca the 1-2and 2-3
shift vslves are kept on the l€ft side, the fluid flows th.ough the 4th clutch; the power is trsnsmitted through the 4th clutch.
Fluid flows by way of :
-Line Pressure (4) J1-2 Shift Vslvo J 2-3 Shift Vslve-3rd Clutch Pressure (31) + 3-4 Shift Vslvs-4th Clutch pressuro
(41) + Manual Vslve-4th Clutch Pressure (4O) J 4th Clutch
Ths hydraulic prossure also flows to th8 1st clutch, However, no power is transmitted becsuse of ths one-wsy clutch 8s in
2nd and 3rd sDeed.
NOTE:
When used, "left" or "right" indicates direction on the flowchan.
(cont'd)
Ed)
t i n
?
14-19