Chrysler laser 1990 Technical Information Manual page 290

control unit
solenoid valve "8"
The transaxle control unit activates the shift control
solenoid valve "A" and deactivates the shift control
solenoid valve "B".
Activation of the shift control solenoid valve "A"
releases-the pressure at the No.5a ports, which in
turn releases the pressure acting on the plugs at the
right and left of the shift control valve.
AUTOMATIC TRANSAXLE - Transaxle Control
Shift control valvi
Ex
Deactivation of the shift control solenoid valve "B"
results in rightward movement of both the shift
control valve and the right plug by line pressure
applied through the No.5b port until the valve is
blocked by the stopper. This rightward movemeni
of the shift control valve opens the No.8 port ant
the line pressure is directed to the rear clutcr
exhaust valve.
This pressure is called "4th pressure".
To N-D
control valve
To rear
clutch
1 7 5 0 2 3 3