Chrysler laser 1990 Technical Information Manual page 297

AUTOMATIC TRANSAXLE - Transaxle
Shift control
valve
Downshift from 2nd to 1st Gear
If the shift control valve is moved to the 1st gear position, the
the left by the spring force. This opens the exhaust port and the
released through the No. 11 line.
In Reverse
To low-reverse To low-reverse
When the manual valve is shifted to the reverse position, line
brake brake
pressure is directed to the No. 16 port of the 1-2 shift valve by
way of the N-R control valve. The combination of a larger area
to which pressure is applied on the #2 land and a smaller area
on the # 1 land of the 1-2 shift valve causes the valve to move
to the right, thus opening the No. 17 line port.
Pressure is directed to the low-reverse brake through this
opened port.
Control
From kickdown
servo apply side
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