Chrysler laser 1990 Technical Information Manual page 271

AUTOMATIC TRANSAXLE - Transaxle Control
Terminal No.
Diagnosis control
1
Overdrive control switch
2
Inhibitor switch e R U
3
4 Inhibitor switch "D"
Inhibitor switch "L"
5
Damper clutch control solenoid valve
6
Shift control solenoid valve "B"
7
Accelerator switch
Power/Economy select switch
9
Ground
Power supply
11
Inhibitor switch "P"
12
Inhibitor switch "N"
13
14
Pressure control solenoid valve
15
Shift control solenoid
16
17
Ignition pulse signal
18
Diagnosis output
19
Air conditioner relay signal
20
The transaxle control unit functions, based upon the data
valve, and to make shifting pattern control and hydraulic
pressure control
The transaxle control unit is installed within
Connections of the transaxle control unit's terminals" and
17504
Terminal No.
valve "A"
ACCELERATOR SWITCH
The accelerator switch is installed on the upper portion of the
accelerator pedal.
The accelerator switch
tor is totally closed (or the accelerator pedal is completely
When the accelerator is depressed, it send an
transaxle control unit. Whiie the switch is kept ON, for example
when the vehicle is stationary with the accelerator pedal
completely released, the vehicle remains in 2nd gear, but if the
accelerator pedal is depressed sending the accelerator switch
OFF signal to the transaxle control unit, the unit sends a signal
to the shift control solenoid valve instructing it to cause a
downshift to 1 st, thereby producing maximum acceleration.
When the vehicle is stationary, the gear
which produces an adequate creeping force and also de-.
creases vibrations.
during shifting.
devices are as described below.
Pulse generator "A"
51
Pulse generator "B"
52
Sensor ground
53
54 Power supply (for sensor)
55
Power supply (for backup)
56
57 Pulse generator "A"
Pulse generator "B"
59
Throttle position sensor output
60
Vehicle speed sensor
61
Oil temperature sensor
62
Ground
63
closes its contacts when the accelera-
on ON signal to the transaxle control unit.
the shift control
the passenger
signal to the
OFF
kept in the .2nd,
is