POWER TRAIN
-
Automatic Transaxle
id
101
=
In-gear logic
q
=
Shift logic
Shift Execution Logic
1
‘121
)9(
421
1 S,
2S,
3S,
4S,
RS
=
Shift schedule output
lst, 2nd
3rd,
4th,
Rev.
=
Speed ratio shift
complete signal
L
As with most automatic transmissions, including the
F4ACl
gearset,
two clutches must be applied to
provide an operating gear range. One of the applied
clutches must be an input clutch driven by the torque
converter, such as the Reverse, the Underdrive,
or the Overdrive clutches. The other applied clutch
is usually a reaction or holding device, such as
the 2-4 or
L/R
clutches. For all gear ratios this is
the rule, except Direct Drive (3) where output is
achieved by applying two input clutches. All shifts
leave one clutch continuously engaged and involve
changing another clutch from the releasing clutch
to a different applying clutch.
cc
Gear
Ratio
Clutches
applied
Reverse
Neutral
First
Second
Direct
Overdrive
2.21
R,
LR
2.64
UFLR
1.57 UD;
24
1
.oo
UD,
OD
0.69 24,
OD
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