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Other Volkswagen Workshop Service and Repair Manuals
Other Makes
Running gear
Body
Engine
Vehicle electrics
Power transmission
Heating, ventilation, air conditioning
Power unit
Simos injection and ignition system
Motronic injection and ignition system (5-cyl. engine)
Motronic injection and ignition system (2.0 ltr. engine)
6-cylinder injection engine
4-cylinder injection engine (direct injection)
4-cyl. injection engine (natural gas)
4cyl. Injection Engine, (2.0 ltr. Engine) (Mexico)
4-cylinder injection engine (1.6 l roller rocker finger)
4-cylinder injection engine (1.6 l engine, roller rocker fingers), Mechanics
4-cylinder injection engine (5-valve)
4-cylinder diesel engine with unit injector
Direct injection and preglow system with distributor-type pump to 04.99
Direct injection and glow plug system with distributor pump as of 05.99
Self diagnosis, V.A.G Inspection Service
Self-diagnosis
Fault table
Final control diagnosis
Measured value blocks
Safety precautions
Read measured value block
Evaluating measured value blocks
Display group 000 at idling speed (engine warm, coolant temperature not below 80°C)
Display group 001 at idling speed (engine warm, coolant temperature not below 80°C)
Evaluation: Injected quantity display
Evaluation: Modulating piston movement sender G149 voltage display
Display group 002 at idling speed (engine warm, coolant temperature not below 80 °C)
Evaluation: Accelerator pedal position display
Evaluation: Operating condition display
Display group 003 at idling speed (engine warm, coolant temperature not below 80 °C)
Evaluation: Air mass drawn in (specified) display
Evaluation: Air mass drawn in (actual) display
Display group 004 at idling speed (engine warm, coolant temperature not below 80 °C)
Evaluation: Commencement of injection (specified) display
Evaluation: Commencement of injection (actual) display
Display group 005
Display group 006 with ignition switched on
Evaluation: Brake pedal monitor display
Evaluation: Cruise control system display
Display group 007 with ignition switched on (engine cold and not running)
Evaluation: Fuel temperature display
Evaluation: Intake manifold temperature or intake air temperature display
Evaluation: Coolant temperature display
Display group 009
Display group 012
Display group 013 at idling speed (engine warm, coolant temperature not below 80 °C)
Evaluation: Idling speed smooth running control display
Display group 015
Display group 016 at idling
Evaluation: Additional heater display
Evaluation: Heater element activation display
Display group 19 with ignition on
Evaluation: Modulating piston movement sender G149 voltage display (start and stop position stops)
Display group 000 at full throttle (road test in 3rd gear, coolant temperature not below 80 °C)
Display group 004 at full throttle (road test in 3rd gear, coolant temperature not below 80 °C)
Evaluation: Commencement of injection (actual) display
Evaluation: Commencement of injection valve duty cycle display
Display group 008 at full throttle (road test in 3rd gear, coolant temperature not below 80 °C)
Evaluation: Injected quantity (driver's requirement) display
Evaluation: Injected quantity limitation via revs. (torque limitation) display
Evaluation: Injection quantity limitation due to air mass drawn in (smoke prevention) display
Engine codes AGR, AHF, ALH, ASV
Engine codes AGP, AQM
Display group 010 at full throttle (road test in 3rd gear, coolant temperature not below 80 °C)
Evaluation: Air mass drawn in display
Evaluation: Intake manifold pressure (charge pressure) display
Evaluation: Accelerator pedal position display
Display group 011 at full throttle (road test in 3rd gear, coolant temperature not below 80 °C)
Evaluation: Charge pressure display (actual)
Fuel preparation system Diesel injection
Ignition system, glow plug system
5-cylinder injection engine, mechanics
4-cylinder diesel engine, mechanics
4-cylinder injection engine (1.4 l and 1.6 l engine)
Heating, ventilation, air conditioning system