Shift Execution Logic - Mitsubishi Eclipse Technical Information Manual

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Shift Execution Logic

As with most automatic transmissions, including the
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
POWER TRAIN - Automatic Transaxle
1 S, 2S, 3S, 4S, RS = Shift schedule output
q
lst, 2nd 3rd, 4th, Rev. = Speed ratio shift
cc
complete signal
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.