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Service. Self Study Programme 232 5 speed Automatic Gearbox 09A/09B Design and Function The new 5 speed automatic gearbox The new automatic gearbox is intended for installation in the Volkswagen and Audi platform for transversely mounted engines. 232 020 232 999 232 998 NEW Important Note The Self Study Programme describes the design Please always refer to the relevant Service Literature and the function of new developments for all inspection, adjustment and repair The contents are not updated instructions.Literature. 2 Table of Contents General information . 4 Basic configuration of gearbox 8 Selector mechanism 26 Torque curve 28 System overview . 34 Electronic components Control unit . 36 Output signals . 38 Sensors . 40 Actuators . 52 Function diagram 62 Self diagnosis . .64 Service . 67 Test your knowledge . 68 3 General information As with the 4 speed automatic gearbox in the Polo and Lupo, the new 5 speed automatic gearbox is built by Jatco, the well known automatic gearbox manufacturer. The gearbox was adapted to the vehicle and the control unit software in co operation with Volkswagen s engineers. 232 021 This gearbox is notable for the following components and functions Automatic shifting of the five gears bydriver Torque converter with torque converter and situation dependent driving programs lock up clutch fuzzy logic see SSP No.172 Stationary decoupling A drag dependent driving program When the vehicle stops and a forward drive recognises traction resistances when driving position is engaged, the gearbox changes uphill and downhill, when towing a trailer and into neutral. when driving into a headwind Advantage the vehicle shows no tendency to creep, which means higher Tiptronic fuel economy and lower emissions. Shift indicator in dash panel insert Ignition key removal lock 4 Specifications Designation A platform 09A/09B Sharan Max.