Self Study Program 221 – Electronic Manual Gearbox

VAG SSP 221. Taking the Lupo as the basis, Volkswagen has developed the world’s first 3 L car that will also go into volume production. Designing a vehicle which covers 100 km on 3 litres of fuel involved a great deal of detail work.

Factors influencing fuel consumption – such as aerodynamics, rolling resistance, engine concept, gearbox tuning and kerb weight – have been revised systematically.

The goal was achieved by using new technologies, weight-saving materials and new  production  processes.

However, the driver also plays a key role with regard to fuel economy. A great many drivers are not aware of this fact, though.

The new electronic manual gearbox eliminates gear shift errors. Gear shifts are executed automatically and in such a way as to optimise fuel consumption.

The advantages of an electronic manual gearbox over an automatic gearbox are lower weight and higher efficiency.


  • General information
    • The electronic manual gearbox
  • Mechanicals
    • General information
    • The selector lever
  • Hydraulics
    • System representation
    • The hydraulic clucth control
    • The selector gate selection
    • The gear selection
    • The pressure control
    • The hydraulic pump
    • The clutch slave cylinder
  • Electronics
    • System overview
    • The sensors
    • The actuators
    • The gearbox control unit
    • The stop/start function
    • Function diagram
    • The self-diagnosis
  • Test your knowledge

The Self-Study Programme is not a Workshop Manual.
Please always refer to the relevant Service Literature for all inspection, adjustment and repair instructions.

Language: English
Format: PDF
Pages: 56

Self Study Program 221 – Electronic Manual Gearbox Design and Function PDF free online