- Running gear
- Body
- Engine, mechanics
- Vehicle electrics
- Power transmission
- Heating, ventilation, air conditioning
- Power unit
- Simos injection and ignition system
- Motronic injection and ignition system
- 4-Cyl. injection engine (2 valve, roller rocker finger), Mechanics
- Mono Motronic injection and ignition system
- Diesel injection and glow plug system
- 4-cyl. diesel engine, Mechanics
- 1AV fuel injection and ignition system (2-valve)
- 1AV fuel injection and ignition system (4-valve)
- 4CV fuel injection and ignition system
- 4AV injection and ignition system
- Motronic inj. and ignition system (2-valve, roller rocker finger)
- 4LV injection and ignition system
- 4-Cyl. injection engine (4 valve), Mechanics
- 4-Cyl. injection engine (4-valve, roller rocker arm), Mechanics
- 4-Cyl. injection engine (4 valve, roller rocker finger), Mechanics
- 4-cyl. injection engine (4-valve, roller rocker finger), Mechanics
- 3-cylinder diesel engine
- Direct injection and glow plug system with distributor pump as of 10.99
- Diesel direct injection and glow plug system up to 09.99
- Self diagnosis, V.A.G Inspection Service
- Fuel preparation system Diesel injection
- Repairing diesel direct injection system
- Sealing injection pump
- Checking components and functions
- Line and component check with adapter cable (68-pin) V.A.G 1598/18A or adapter V.A.G 1598/22
- Checking engine speed sender G28
- Checking coolant temperature sender G62
- Checking brake light switch F and brake pedal switch F47
- Checking clutch pedal switch F36
- Checking intake air temperature sender G42
- Checking voltage supply for diesel direct injection system
- Checking fuel temperature sender G81
- Checking modulating piston movement sender G149 and metering adjuster N146
- Checking needle lift sender G80
- Checking injection timing control range
- Checking commencement of injection valve N108
- Checking throttle valve
- Checking exhaust gas recirculation valve N18
- Checking speedometer sender G22
- Checking accelerator position sender G79
- Renewing, coding and matching engine control unit
- Ignition system, glow plug system
- 4-cylinder injection engine (2-valve), mechanics
- Heating, ventilation, air conditioning system