Transmission Control Systems: Description and Operation

OUTLINE
The automatic transaxle senses vehicle operating conditions through various sensors. It always controls the optimum shift position and reduces shifting and lock-up shocks.




CONTROL SYSTEM

TCM FUNCTION
The function of the TCM is to:
- Receive input signals sent from various switches and sensors.
- Determine required line pressure, shifting point, lock-up operation, and engine brake operation.
- Send required output signals to the respective solenoids.




INPUT/OUTPUT SIGNAL OF TCM