Automatic Transmission/Transaxle: Description and Operation

The KM-175 is an automatic four speed with lock up (damper clutch) torque converter and internal differential.

The transaxle control module receives inputs from the following:

1. Pulse generator "A".
2. Pulse generator "B".
3. Oil temperature sensor.
4. Throttle position sensor.
5. Accelerator switch.
6. Transaxle range switch.
7. Kickdown servo switch.

The transaxle control module calculates if a shift change is needed and controls the following outputs:

1. Damper clutch control solenoid valve.
2. Pressure control solenoid valve.
3. Shift control solenoid valve.