Contents

Introduction

• New generation
• Gearbox concept
• Specifications

KP peripheral devices

• Gear drives
• Selector lock
• Blocking the removal of the key from the ignition switch

KP units

• Review - 02E gearbox
• Twin clutch
• Power flow
• Design features
• Oil supply
• Dynamic clutch pressure equalization
• Clutch adjustment
• Hydraulic clutch control
• Clutch cooling
• Clutch functions
• Overload protection
• Creep regulation
• Micro-slip regulation
• Adaptation of clutch control
• Safety shutdown
• Manual transmission
• Shifting gears
• Power flow
• Synchronization
• Hydraulic control
• Gear shift process
• Parking transmission lock
• Torque distribution on all-wheel drive vehicles
• Angular reducer
• Oil supply
• Hydraulic diagram of gearbox 02E

Gearbox control

• Gearbox control – Mechatronik
• Electrohydraulic control module
• Description of valves
• Electronics module
• Mechatronic control unit J743
• Functional diagram of Audi A3 (8P) and Audi TT (8J)
• Functional diagram of the Audi TT (8N)
• Exchange of information via CAN buses in the Audi A3 (8P) Audi TT (8J)
• Exchange of information via CAN buses in the Audi TT (8N)
• Sensors
• Transmission oil temperature sensor G93
• Temperature sensor for control unit G510
• Clutch outlet oil temperature sensor G509
• Transmission input shaft speed sensor G182
• Input shaft speed sensor 1 (2) G501 (G502)
• Transmission output shaft speed sensor 1 (2) G195 (G196)
• Hydraulic system pressure sensor 1 (2) G193 (G194)
• Position sensor 1 (2, 3, 4) for gear selector G487 (G488, G489, G490)
• Selector lever sensors E313
• Switch tiptronic F189

Gearbox functions

• Tiptronic switch on the steering wheel
• “Wobbling” and starting in 2nd gear
• Launch-control
• S – sports program
• Switching to a downshift using “reversal”
• Shift-lock
• Starter interlock / starter control
• Reversing light control
• Indicator for selector lever position, gear engaged and faults
• Kick-down
• Emergency program
• Towing

Glossary