The transmission ratio of an automatic transmission is defined automatically as {HEAD ~ a function} of the setpoint value for {TAIL ~ the engine drag torque} by reference to a down shift characteristic diagram 
for
The transmission ratio of an automatic transmission is defined automatically as { HEAD ~ a function } of the setpoint value for { TAIL ~ the engine drag torque } by reference to a down shift characteristic diagram
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH