Transmission Control Systems: Description and Operation

CONTROL SYSTEM




DESCRIPTION
The RE4RO1A automatic transmission senses vehicle operating conditions through various sensors. It always controls the optimum shaft position and reduces shifting and lock-up shocks.

A/T CONTROL UNIT FUNCTION
The function of the A/T control unit 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 A/T CONTROL UNIT