Operation CHARM: Car repair manuals for everyone.

TCM Function

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.

CONTROL SYSTEM OUTLINE (WITHOUT MANUAL MODE)
The A/T senses vehicle operating conditions through various sensors or signals. It always controls the optimum shift position and reduces shifting and lock-up shocks.





CONTROL SYSTEM DIAGRAM





CONTROL SYSTEM OUTLINE (WITH MANUAL MODE)
The A/T senses vehicle operating conditions through various sensors or signals. It always controls the optimum shift position and reduces shifting and lock-up shocks.





CONTROL SYSTEM DIAGRAM