Automatic Shift Strategy
1 - ABS control unit
2 - ABS sensors at wheels
3 - Speedometer
4 - Kickdown switch
5 - Digital Motor Electronics (DME) control unit
6 - Electronic transmission control unit
7 - Transverse acceleration sensor
8 - Selector lever system with two gates
9 - Cable
10 - Multi-function switch
11 - Automatic transmission
12 - Throttle with potentiometer
13 - Engine
The electronic Tiptronic control unit (6) is the information and command center of the entire system. A large quantity of information inputs that are compared with the stored driving or gearshift programs is used to generate commands that cause the transmission to execute or not to execute gearshifts.