- Running gear
- Body
- Power unit
- Power transmission
- Vehicle electrics
- Electrical system
- Starter-current supply-CC
- Instruments, GCI
- Windscreen wipe/wash system
- Lights, lamps, switches outside
- Lights, lamps, switches inside, anti-theft system
- Wiring
- Relay carriers, fuse carriers
- Removing and installing fuse carrier
- Removing and installing onboard supply control unit J519
- Removing and installing 9-position relay carrier
- Removing and installing 3-position relay carrier
- Removing and installing 4-position relay carrier
- Removing and installing connector point (left-side)
- Removing and installing convenience system central control unit J393
- Removing and installing connector point (right-side)
- Removing and installing main fuse box at rear left of luggage compartment - Audi RS4
- Removing and installing main fuse at rear left of luggage compartment - Audi RS4
- Removing and installing plenum chamber electronics box
- Removing and installing fan for plenum chamber electronics box
- Removing and installing 4-position relay carrier in plenum chamber electronics box
- Removing and installing connector point in plenum chamber electronics box
- Removing and installing main fuse carrier - vehicles with battery in engine compartment
- Removing and installing positive terminal tap in plenum chamber - Audi RS4
- Repairing wiring harnesses and electrical connectors
- Repairing connector housings and electrical connectors
- Releasing and dismantling connector housings
- Repairing aerial wires
- Vehicle diagnostic, testing and information systems
- Communication
- Fitting instructions: radio communication systems
- Electrical system; General information
- Heating, ventilation, air conditioning system