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Table of contents Introduction A new generation 6 Gearbox concept 8 Specifications . 9 Gearbox periphery Gearshift mechanisms . .10 Shift lock . .12 Ignition key withdrawal lock .14 Gearbox subassemblies Overview 02E gearbox .16 Twin clutch . .18 Power flow .18 Design features .19 Oil supply . .20 Dynamic pressure equalisation in the clutches .21 Clutch control . .22 Hydraulic clutch control . .24 Clutch cooling . .25 Clutch functions . .26 Overload protection . .26 Creep control .27 Microslip control .27 Clutch control adaptation . .27 Safety shut down . .28 Manual gearbox . .30 Selector mechanism . .30 Power flow .32 Synchromesh .35 Hydraulic control . .36 gearshift sequence .40 Parking lock . .43 All wheel drive power distribution .44 Bevel box . .45 Oil supply . .46 Hydraulic diagram of 02E gearbox . .48 Gearbox control unit Gearbox control unit mechatronic module .50 Electro hydraulic control unit .52 Description of the valves . .54 Electronic module . .58 Mechatronic control unit J743 .58 Function diagram of the Audi A3 8P and Audi TT 8J . .60 Function diagram of the Audi TT 8N . .61 CAN information exchange in the Audi A3 8P Audi TT 8J .62 CAN information exchange in the Audi TT 8N . .64 Sensors .66 Gearbox oil ATF temperature sender G93 .66 Temperature sensor in control unit G510 . .66 Multi plate clutch oil temperature sender G509 .67 Gearbox input speed sender G182 . .68 Drive shaft 1 speed sender G501 G502 . .69 Gearbox output speed sender 1 2 G195 G196 .70 Automatic gearbox hydraulic pressure sender 1 2 G193 G194 . .71 Gear selector travel sensor 1 2, 3, 4 G487 G488, G489, G490 . .72 Selector lever sensor system E313 . .74 tiptronic switch F189 .75 Gearbox functions tiptronic steering wheel .78 Freeing vehicle by rocking back and forth and drive away in 2nd gear .80 Launch Control Program .80 S sport program .81 Downshifting with sh