Polo Mk3: Power unit
Also for this vehicle: Polo Mk4, Polo Mk5.
Steering & suspension
Body & interior
Engine
General
Transmission
Heating & A/C
Choose Sections to see everything in a chapter, or a chapter title to start at its first page.
Simos injection and ignition system75 pages
Self diagnosis, V.A.G Inspection Service25 pages
- Fault table: SAE P0 codes
- Fault table: SAE P1 codes
- Evaluating measured value blocks, display groups 0...9 -Basic functions-
- Evaluating measured value blocks, display groups 10...29 -Ignition-
- Evaluating measured value blocks, display groups 30...49 -Lambda regulation-
- Evaluating measured value blocks, display groups 50...69 -Speed regulation-
- Evaluating measured value blocks, display groups 91...95 -Performance increase-
- Evaluating measured value blocks, display groups 120...129 -Communication-
Mixture preparation system, electronic inj.,Gas41 pages
Servicing injection system10 pages
Checking components11 pages
- Checking Lambda probe heating for Lambda probe before catalyst
- Checking Lambda probe heating for Lambda probe after catalyst
- Checking throttle valve control part
- Checking intake manifold pressure sender
- Checking intake air temperature sender
- Checking coolant temperature sender
- Checking engine speed sender
- Checking injectors
- Checking fuel pressure regulator and holding pressure
- Checking intake air system for leaks (unmetered air)
Engine control unit8 pages
Ignition system, glow plug system › Servicing ignition system9 pages
Motronic injection and ignition system48 pages
Self diagnosis, V.A.G Inspection Service › Self-diagnosis10 pages
- Features of self-diagnosis
- Technical data of self-diagnosis
- Connecting fault reader V.A.G 1551 and selecting engine control unit
- Interrogating and erasing fault memory
- Fault table
- Final control diagnosis
- Read measured value block and basic settings
- Display group overview engine codes AER, ALL
- Display group overview engine codes AEX, AKV, ANX, APQ
Mixture preparation system, electronic inj.,Gas › Servicing injection system28 pages
- Fitting locations overview
- General notes on injection
- Removing and installing parts of the injection system
- Dismantling and assembling fuel rail with injectors
- Dismantling and assembling intake manifold
- Dismantling and assembling air cleaner
- Safety precautions
- Rules for cleanliness
- Technical data
- Performing basic setting
- Checking Lambda probe and Lambda control
- Checking Lambda probe heating
- Checking engine operating mode
- Checking throttle valve control part
- Checking intake manifold pressure sender
- Testing speed signal
- Checking coolant temperature sender
- Checking intake air temperature sender
- Checking control unit voltage supply
- Matching engine control unit to electronic immobilizer
- Idling speed boost
- Checking air conditioner and air conditioner compressor signals
- Checking injectors
- Checking fuel pressure regulator and holding pressure
- Checking intake air system for leaks (unmetered air)
- Checking intake air preheating
- Wire routing engine wiring loom
Ignition system, glow plug system › Servicing ignition system10 pages
4-Cyl. injection engine (2 valve, roller rocker finger), Mechanics65 pages
Engine assy,cylinder block,crankcase › Removing and installing engine7 pages
Enginecrankshaft group, pistons11 pages
Dismantling and assembling engine3 pages
Removing and installing cylinder block, sealing flange and flywheel/drive plate6 pages
Engine cylinder head, valve gear8 pages
Removing and installing cylinder head2 pages
Engine lubrication › Removing and installing parts of the lubrication system4 pages
Engine cooling › Removing and installing parts of cooling system6 pages
Fuel supply, gas operation19 pages
Removing and installing parts of fuel supply system9 pages
- Removing and installing fuel tank with its attachments and fuel filter
- Safety precautions when working on the fuel supply system
- Rules for cleanliness
- Crash fuel shut-off
- Removing and installing fuel delivery unit
- Removing and installing fuel gauge sender
- Removing and installing fuel tank
- Checking fuel pump
Activated charcoal filter system5 pages
Exhaust system7 pages
Removing and installing parts of exhaust system4 pages
Exhaust gas recirculation system3 pages
Mono Motronic injection and ignition system51 pages
Self diagnosis, V.A.G Inspection Service › Self diagnosis11 pages
- Function
- Technical data of self diagnosis
- Connecting fault reader V.A.G 1551 and selecting engine electronics control unit
- Interrogating fault memory
- Fault table
- Erasing fault memory
- Final control diagnosis
- Erasing values learnt by engine electronics control unit
- Read measured value block and basic settings
- Display group overview
Mixture preparation system, electronic inj.,Gas › Mono-Motronic injection and ignition system29 pages
- Fitting locations overview
- Servicing injection part
- Dismantling and assembling intake manifold
- Dismantling and assembling air cleaner
- Servicing injection unit
- Safety precautions
- Rules for cleanliness
- Technical data
- Idling speed check
- Checking Lambda probe and Lambda control
- Checking Lambda probe heating
- Checking engine operating mode
- Checking throttle valve positioner
- Checking and adjusting idling switch
- Checking sender for throttle valve positioner
- Checking throttle valve potentiometer
- Checking coolant temperature sender
- Checking intake air temperature sender
- Checking injector
- Checking speed signal
- Checking control unit voltage supply
- Checking air conditioner and air conditioner compressor signals
- Matching engine electronic control unit to electronic immobilizer
- Adapting idling speed
- Checking fuel pressure regulator and holding pressure
- Checking intake air system for leaks (unmetered air)
- Checking intake air preheating
- Wire routing engine wiring loom
Ignition system, glow plug system › Mono-Motronic injection and ignition system11 pages
Diesel injection and glow plug system35 pages
Self diagnosis, V.A.G Inspection Service › Self diagnosis9 pages
Fuel preparation system Diesel injection › Servicing fuel injection system22 pages
- Safety precautions
- Rules for cleanliness
- Fitting locations overview
- Servicing injection pump
- Servicing fuel filter
- Removing and installing injection pump
- Checking and adjusting injection pump timing
- Checking valve timing
- Checking and adjusting idling speed, idling speed boost and governed speed
- Idling speed boost actuator
- Checking idling speed boost actuator
- Removing and installing injectors
- Servicing injectors
- Checking injector nozzle valve tip for damage, injection pressure and for leakage.
- Checking load signal potentiometer
- Checking commencement of injection valve
- Checking full throttle stop valve
- Checking idling speed boost valve
- Checking engine temperature sender
- Resistance figures for engine temperature sender
- Vacuum hose connection diagram
Ignition system, glow plug system › Checking glow plug system4 pages
4-cyl. diesel engine, Mechanics67 pages
Engine assy,cylinder block,crankcase › Removing and installing engine6 pages
Enginecrankshaft group, pistons11 pages
Dismantling and assembling engine4 pages
Removing and installing sealing flange and flywheel2 pages
Dismantling and assembling pistons and conrods3 pages
Engine cylinder head, valve gear11 pages
Removing and installing cylinder head3 pages
Engine lubrication › Removing and installing parts of the lubrication system2 pages
Engine cooling › Removing and installing parts of cooling system6 pages
Fuel supply, gas operation15 pages
Removing and installing parts of fuel supply system6 pages
Accelerator mechanism: > 09.99 (Engine codes AGD, AHG, AKU)4 pages
Accelerator mechanism: 10.99 > (Engine codes AGD, AKU, ASX)3 pages
Exhaust system13 pages
Removing and installing parts of exhaust system3 pages
Exhaust gas recirculation system: Engine code AEF5 pages
Exhaust gas recirculation system: Engine codes AGD, AHG, AKU, ASX5 pages
1AV fuel injection and ignition system (2-valve)47 pages
Self diagnosis, V.A.G Inspection Service › Self diagnosis9 pages
Mixture preparation system, electronic inj.,Gas › Servicing injection system27 pages
- Fitting locations overview
- General notes on injection
- Removing and installing parts of the injection system
- Dismantling and assembling fuel manifold with injectors
- Dismantling and assembling intake manifold
- Dismantling and assembling air cleaner
- Safety precautions
- Rules for cleanliness
- Technical data
- Performing basic setting
- Checking Lambda probe and Lambda control
- Checking Lambda probe heating
- Checking engine operating mode
- Checking throttle valve control part
- Checking intake manifold pressure sender
- Checking speed signal
- Checking coolant temperature sender
- Checking intake air temperature sender
- Checking control unit voltage supply
- Matching engine control unit to electronic immobilizer
- Checking air conditioner and air conditioner compressor signals
- Checking injectors
- Checking fuel pressure regulator and holding pressure
- Checking intake air system for leaks (unmetered air)
- Checking intake air preheating
- Wire routing engine wiring loom
Ignition system, glow plug system › Servicing ignition system11 pages
- General notes to ignition system
- Removing and installing parts of the ignition system
- Dismantling and assembling distributor
- Safety precautions
- Adjustment data, Spark plugs
- Checking and adjusting ignition timing
- Checking Hall sender
- Checking ignition transformer
- Checking ignition transformer output stage
- Checking knock sensor
1AV fuel injection and ignition system (4-valve)46 pages
Self diagnosis, V.A.G Inspection Service › Self diagnosis9 pages
Mixture preparation system, electronic inj.,Gas › Servicing injection system27 pages
- Fitting locations overview
- General notes on injection
- Removing and installing parts of the injection system
- Dismantling and assembling fuel manifold with injectors
- Dismantling and assembling intake manifold
- Dismantling and assembling air cleaner
- Safety precautions
- Rules for cleanliness
- Technical data
- Performing basic setting
- Checking Lambda probe and Lambda control
- Checking Lambda probe heating
- Checking engine operating mode
- Checking throttle valve control part
- Checking intake manifold pressure sender
- Checking speed signal
- Checking coolant temperature sender
- Checking intake air temperature sender
- Checking control unit voltage supply
- Matching engine control unit to electronic immobilizer
- Checking air conditioner and air conditioner compressor signals
- Checking injectors
- Checking fuel pressure regulator and holding pressure
- Checking intake air system for leaks (unmetered air)
- Checking intake air preheating
- Wire routing engine wiring loom
Ignition system, glow plug system › Servicing ignition system10 pages
4CV fuel injection and ignition system61 pages
Self diagnosis, V.A.G Inspection Service16 pages
Mixture preparation system, electronic inj.,Gas37 pages
Servicing injection system10 pages
Checking components11 pages
- Checking Lambda probe heating
- Checking throttle valve control part
- Checking intake manifold pressure sender
- Checking intake air temperature sender
- Checking coolant temperature sender
- Checking engine speed sender
- Checking injectors
- Checking fuel pressure regulator and holding pressure
- Checking intake air system for leaks (unmetered air)
- Checking intake air preheating
Checking functions3 pages
Ignition system, glow plug system › Servicing ignition system8 pages
4AV injection and ignition system59 pages
Self diagnosis, V.A.G Inspection Service15 pages
Mixture preparation system, electronic inj.,Gas36 pages
Servicing injection system10 pages
Checking components12 pages
- Checking Lambda probe heating
- Checking throttle valve control part
- Checking intake manifold pressure sender
- Checking intake air temperature sender
- Checking coolant temperature sender
- Checking engine speed sender
- Checking injectors
- Checking fuel pressure regulator and holding pressure
- Checking intake air system for leaks (unmetered air)
- Checking intake air preheating
- Wire routing engine wiring loom
Checking functions3 pages
Ignition system, glow plug system › Servicing ignition system8 pages
Motronic inj. and ignition system (2-valve, roller rocker finger)79 pages
Self diagnosis, V.A.G Inspection Service26 pages
General to self-diagnosis6 pages
- Features of self-diagnosis
- Technical data of self-diagnosis
- Significance of EPC warning lamp (fault lamp for electronic accelerator) in dash panel insert
- Connecting fault reader V.A.G 1551 and selecting engine electronics control unit
- Connecting vehicle diagnosis, testing and information system VAS 5051 and selecting engine control unit
- Fault table: SAE P0 codes
- Fault table: SAE P1 codes
- Evaluating measured value blocks, display groups 0...9 -Basic functions-
- Evaluating measured value blocks, display groups 10...29 -Ignition-
- Evaluating measured value blocks, display grps 30...49, 99 -Lambda regulation-
- Evaluating measured value blocks, display groups 50...69 -Speed regulation-
- Evaluating measured value blocks, display groups 70...79 -Reducing emissions-
- Evaluating measured value blocks, display group 100 -Readiness code-
Mixture preparation system, electronic inj.,Gas44 pages
Servicing injection system10 pages
Checking components13 pages
- Checking Lambda probe heating before catalyst
- Checking Lambda probe heating after catalyst
- Checking throttle valve control part
- Checking intake manifold pressure sender
- Checking intake air temperature sender
- Checking coolant temperature sender
- Checking engine speed sender
- Checking injectors
- Checking fuel pressure regulator and holding pressure
- Checking intake air system for leaks (unmetered air)
- Checking intake air preheating
- Checking vacuum valve
Engine control unit8 pages
- Checking control unit voltage supply
- Procedure after voltage supply open circuit
- Replacing engine control unit
- Coding engine control unit
- Coding variations of engine control unit
- Erasing learnt values and adapting engine control unit to throttle valve control part and exhaust gas recirculation valve
- Adapting engine control unit to electronic immobilizer
Ignition system, glow plug system › Servicing ignition system9 pages
4LV injection and ignition system79 pages
Self diagnosis, V.A.G Inspection Service27 pages
General to self-diagnosis7 pages
- Features of self-diagnosis
- Technical data of self-diagnosis
- Significance of EPC warning lamp (fault lamp for electronic accelerator) in dash panel insert
- Significance of exhaust emissions warning lamp
- Connecting fault reader V.A.G 1551 and selecting engine electronics control unit
- Connecting vehicle diagnosis, testing and information system VAS 5051 and selecting engine control unit
- Fault table: from V.A.G code 16486 / SAE P0 codes
- Fault table: from V.A.G code 17510 / SAE P1 codes
- Evaluating measured value blocks, display groups 0...6 -Basic functions
- Evaluating measured value blocks, display groups 10...29 -Ignition-
- Evaluating measured value blocks, display grps 30...49, 99 -Lambda regulation-
- Evaluating measured value blocks, display groups 50...69 -Speed regulation-
- Evaluating measured value blocks, display groups 70...75 -Exhaust gas recirculation-
- Evaluating measured value blocks, display group 100 -Readiness code-
- Evaluating measured value blocks, display groups 120...129 -Communication-
Mixture preparation system, electronic inj.,Gas43 pages
Servicing injection system10 pages
Checking components12 pages
- Checking Lambda probe heating before catalyst
- Checking Lambda probe heating for Lambda probe after catalyst
- Checking throttle valve control part
- Checking intake manifold pressure sender
- Checking intake air temperature sender
- Checking coolant temperature sender
- Checking engine speed sender
- Checking injectors
- Checking fuel pressure regulator and holding pressure
- Checking intake air system for leaks (unmetered air)
- Checking intake air preheating
Engine control unit8 pages
Ignition system, glow plug system › Servicing ignition system9 pages
4-Cyl. injection engine (4 valve), Mechanics48 pages
Engine assy,cylinder block,crankcase › Removing and installing engine6 pages
Enginecrankshaft group, pistons10 pages
Dismantling and assembling engine5 pages
Dismantling and assembling cylinder block, crankshaft and flywheel3 pages
Engine cylinder head, valve gear9 pages
Engine lubrication › Removing and installing parts of the lubrication system4 pages
Engine cooling › Removing and installing parts of cooling system5 pages
Fuel supply, gas operation › Removing and installing parts of fuel supply system10 pages
- Removing and installing fuel tank with its attachments
- Safety precautions when working on the fuel supply system
- Rules for cleanliness
- Checking fuel pump
- Removing and installing fuel delivery unit
- Removing and installing fuel tank
- Adjusting throttle cable
- Removing and installing parts of the activated charcoal filter system
- Checking fuel tank breather
- Exhaust system › Removing and installing parts of exhaust system
4-Cyl. injection engine (4-valve, roller rocker arm), Mechanics69 pages
Engine assy,cylinder block,crankcase › Removing and installing engine7 pages
Enginecrankshaft group, pistons13 pages
Removing and installing cylinder block, sealing flange and flywheel/drive plate6 pages
Engine cylinder head, valve gear8 pages
Engine lubrication › Removing and installing parts of the lubrication system4 pages
Engine cooling › Removing and installing parts of cooling system7 pages
Fuel supply, gas operation20 pages
Removing and installing parts of fuel supply system9 pages
- Removing and installing fuel tank with its attachments and fuel filter
- Safety precautions when working on the fuel supply system
- Rules for cleanliness
- Removing and installing fuel delivery unit
- Removing and installing fuel gauge sender
- Removing and installing fuel tank
- Crash fuel shut-off
- Checking fuel pump
Checking electronic power control (EPC)3 pages
Activated charcoal filter system5 pages
Exhaust system8 pages
Removing and installing parts of exhaust system4 pages
- Exhaust manifold, front exhaust pipe and catalyst with attachments
- Exhaust manifold, front exhaust pipe and catalyst with attachments
- Silencer with mountings
- Checking catalyst
Exhaust gas recirculation system4 pages
- Servicing parts of exhaust gas recirculation system
- Checking exhaust gas recirculation valve (mechanical)
- Servicing parts of exhaust gas recirculation system
- Checking potentiometer for exhaust gas recirculation (G212)
4-Cyl. injection engine (4 valve, roller rocker finger), Mechanics55 pages
Engine assy,cylinder block,crankcase › Removing and installing engine7 pages
Enginecrankshaft group, pistons11 pages
Dismantling and assembling cylinder block, crankshaft and flywheel4 pages
Engine cylinder head, valve gear8 pages
Engine lubrication › Removing and installing parts of the lubrication system4 pages
Engine cooling › Removing and installing parts of cooling system7 pages
Fuel supply, gas operation13 pages
Removing and installing parts of fuel supply system7 pages
Activated charcoal filter system3 pages
Exhaust system › Removing and installing parts of exhaust system2 pages
4-cyl. injection engine (4-valve, roller rocker finger), Mechanics61 pages
Engine assy,cylinder block,crankcase › Removing and installing engine7 pages
Enginecrankshaft group, pistons8 pages
Dismantling and assembling cylinder block, crankshaft and flywheel4 pages
Engine cylinder head, valve gear13 pages
Removing and installing cylinder head5 pages
Engine lubrication › Removing and installing parts of the lubrication system4 pages
Engine cooling › Removing and installing parts of cooling system7 pages
Fuel supply, gas operation16 pages
Removing and installing parts of fuel supply system8 pages
Electronic power control (EPC)4 pages
Activated charcoal filter system4 pages
Exhaust system › Removing and installing parts of exhaust system3 pages
3-cylinder diesel engine194 pages
Self diagnosis, V.A.G Inspection Service61 pages
Self-diagnosis8 pages
Fault memory4 pages
- Fault table: Fault codes 00515...01282
- Fault table: Fault codes 16485...18076
Measured value blocks45 pages
- Safety precautions
- Reading measured value block
Measured values at idling speed29 pages
- Display group 001 at idling speed (engine warm, coolant temperature not below 80 °C)
- Evaluation: Injected quantity 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: Synchronisation angle display
- Display group 005
- Display group 006 at idling
- Evaluation: Switch positions display
- Display group 007 with ignition switched on (engine cold and not running)
- Evaluation: Fuel temperature display
- Evaluation: Intake manifold 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 018 at idling speed (engine warm, coolant temperature not below 80 °C)
- Evaluation: Unit injector valve display
Measured values at full throttle13 pages
- 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)
- 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
- 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)
Engine assy,cylinder block,crankcase › Removing and installing engine6 pages
Enginecrankshaft group, pistons20 pages
Removing and installing sealing flange and flywheel4 pages
Balancer shaft and retaining frame3 pages
Pistons and conrods5 pages
Engine cylinder head, valve gear15 pages
Engine lubrication › Parts of lubrication system8 pages
Engine cooling › Parts of cooling system8 pages
Fuel supply, gas operation › Parts of fuel supply system16 pages
- Assembly overview - fuel tank with attachments
- Assembly overview - fuel filter
- Safety precautions when working on fuel supply system
- Rules for cleanliness
- Removing and installing fuel cooler
- Removing and installing fuel tank
Accelerator mechanism3 pages
Checking accelerator position sender G793 pages
- Adjusting accelerator position sender G79
- Checking tandem pump
- Removing and installing tandem pump
Exhaust turbocharger, G-charger14 pages
Charge air system with turbocharger9 pages
- Safety precautions
- Rules for cleanliness
Removing and installing turbocharger with attachments3 pages
- Charge pressure control hose routing diagram
Checking charge pressure system5 pages
Fuel preparation system Diesel injection32 pages
Checking components and functions15 pages
- Checking voltage supply for diesel direct injection system
- Checking engine speed sender G28
- Checking intake manifold pressure sender G71 and altitude sender F96
- Checking coolant temperature sender G62
- Checking brake light switch F and brake pedal switch F47
- Checking clutch pedal switch F36
- Checking intake manifold temperature sender G72
- Checking fuel temperature sender G81
- Checking air mass meter G70
- Checking intake manifold flap change-over
Checking unit injector valves3 pages
- Checking camshaft position Hall sender G40
Checking additional signals5 pages
Renewing, coding and adapting engine control unit4 pages
Exhaust system8 pages
Ignition system, glow plug system › Glow plug system3 pages
Direct injection and glow plug system with distributor pump as of 10.99109 pages
Self diagnosis, V.A.G Inspection Service67 pages
Self-diagnosis10 pages
- Fault table
Final control diagnosis12 pages
Performing final control diagnosis11 pages
- Actuating commencement of injection valve N108
- Actuating exhaust gas recirculation valve N18
- Actuating AC compressor shut-off function
- Actuating variable intake manifold flap change-over valve N239
- Actuating fuel shut-off valve N109
- Actuating glow plug relay J52
- Actuating glow period warning lamp K29
- Actuating low heat output relay J359 (vehicles with m-equipment only)
- Actuating high heat output relay J360 (vehicles with m-equipment only)
- Continuation for all vehicles
Measured value blocks44 pages
- Safety precautions
- Read measured value block
Evaluating measured value blocks41 pages
- 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: Display group 1, display zone 2 - quantity injected
- Evaluation: Display group 1, display zone 3 - voltage of modulating piston movement sender
- Display group 002 at idling speed (engine warm, coolant temperature not below 80 °C)
- Evaluation: Display group 2, display zone 2 - accelerator position
- Evaluation: Display group 2, display zone 3 - operating condition
- Display group 003 at idling speed (engine warm, coolant temperature not below 80 °C)
- Display group 004 at idling speed (engine warm, coolant temperature not below 80 °C)
- Evaluation: Display group 4, display zone 2 - commencement of injection (specified)
- Evaluation: Display group 4, display zone 3 - commencement of injection (actual)
- Display group 005
- Display group 006 with ignition switched on
- Evaluation: Display group 6, display zone 2 - brake pedal monitoring
- Evaluation: Display group 6, display zone 3 - cruise control system
- Display group 007 with ignition switched on (engine cold and not running)
- Evaluation: Display group 7, display zone 1 - fuel temperature
- Evaluation: Display group 7, display zone 3 - intake manifold temperature
- Evaluation: Display group 7, display zone 4 - coolant temperature
- Display group 009
- Display group 012
- Display group 013 at idling speed (engine warm, coolant temperature not below 80 °C)
- Evaluation: Display group 13, display zones 1...4 - idling speed smooth running control
- Display group 015
- Display group 016 at idling
- Evaluation: Display group 16, display zone 2 - additional heater
- Evaluation: Display group 16, display zone 3 - actuation of heater elements
- Display group 019 at idle speed
- Evaluation: Display group 19, display zones 1 and 2 - voltage from modulating piston movement sender (start and stop position st
- 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: Display group 4, display zone 3 - commencement of injection (actual)
- Evaluation: Display group 4, display zone 4 - duty cycle of commencement of injection valve
- Display group 008 at full throttle (road test in 3rd gear, coolant temperature not below 80 °C)
- Evaluation: Display group 8, display zone 2 - quantity injected (driver command)
- Evaluation: Display group 8, display zone 3 - quantity injected limitation via engine speed (torque limitation)
- Evaluation: Display group 8, display zone 4 - quantity injected limitation due to intake air mass (avoidance of smoke)
- Display group 010 at full throttle (road test in 3rd gear, coolant temperature not below 80 °C)
- Evaluation: Display group 10, display zone 4 - accelerator position
- Display group 011 at full throttle (road test in 3rd gear, coolant temperature not below 80 °C)
- Evaluation: Display group 11, display zone 4 - duty cycle of variable intake manifold flap change-over valve
Fuel preparation system Diesel injection40 pages
Repairing diesel direct injection system18 pages
Checking components and functions13 pages
- Checking voltage supply for diesel direct injection system
- Checking engine speed sender G28
- Checking coolant temperature sender G62
- Checking intake manifold temperature sender G72
- Checking fuel temperature sender G81
Checking modulating piston movement sender G149 and metering adjuster N1463 pages
- Checking needle lift sender G80
- Checking injection timing device control range
- Checking intake manifold flap change-over
- Checking variable intake manifold flap change-over valve N239
Checking additional signals5 pages
Renewing, coding and matching engine control unit4 pages
Diesel direct injection and glow plug system up to 09.99123 pages
Self diagnosis, V.A.G Inspection Service77 pages
Self-diagnosis8 pages
Measured value blocks63 pages
- Safety precautions
- Read measured value block
Evaluating measured value blocks, engine codes AHG, AKU31 pages
- 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)
- 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
- Evaluation: Commencement of injection valve N108 duty cycle display
- 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 air temperature display
- Evaluation: Coolant temperature display
- Display group 013 at idling speed (engine warm, coolant temperature not below 80 °C)
- Engine code AHG
- Evaluation: Idling speed smooth running control display
- Engine code AKU
- Evaluation: Idling speed smooth running control display
- 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 N108 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 (torque map) display
- Evaluation: Injected quantity limitation (smoke map) display
- Display group 011 at full throttle (road test in 3rd gear, coolant temperature not below 80 °C)
Evaluating measured value blocks, engine code AGD29 pages
- 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)
- 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
- Evaluation: Commencement of injection valve duty cycle display
- 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 air temperature display
- Evaluation: Coolant temperature display
- Display group 013 at idling speed (engine warm, coolant temperature not below 80 °C)
- Evaluation: Idling speed smooth running control display
- 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 (torque map) display
- Evaluation: Injected quantity limitation (smoke map) display
- Display group 011 at full throttle (road test in 3rd gear, coolant temperature not below 80 °C)
Fuel preparation system Diesel injection44 pages
Repairing diesel direct injection system15 pages
- Safety precautions
- Rules for cleanliness
- Fitting locations overview
- Repairing injection pump
- Repairing fuel filter
- Repairing accelerator mechanism
- Checking accelerator position sender G79 setting
- Setting engine to TDC No. 1 cylinder, engine removed
- Removing, installing and testing throttle valve housing
- Removing and installing injection pump
- Dynamically checking and adjusting commencement of injection
- Checking timing
- Removing and installing injectors
- Repairing injectors
Checking components and functions20 pages
- 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 N1463 pages
- Checking needle lift sender G80
- Checking throttle valve
Checking exhaust gas recirculation valve N182 pages
- Checking speedometer sender G22
- Checking accelerator position sender G79
Renewing, coding and matching engine control unit4 pages
4-cylinder injection engine (2-valve), mechanics152 pages
Engine assy,cylinder block,crankcase › Removing and installing engine8 pages
Enginecrankshaft group, pistons39 pages
Crankshaft group13 pages
Dismantling and assembling cylinder block, crankshaft and flywheel12 pages
Dismantling and assembling pistons and conrods14 pages
Piston and cylinder dimensions4 pages
Engine cylinder head, valve gear36 pages
Cylinder head, valve gear8 pages
Repairing valve gear28 pages
Engine lubrication › Lubrication18 pages
Removing and installing parts of lubrication system9 pages
Engine cooling › Cooling18 pages
Fuel supply, gas operation › Fuel supply system26 pages
Removing and installing parts of fuel supply system5 pages
- Safety precautions when working on fuel supply system
- Rules for cleanliness
- Adjusting accelerator cable
Removing and installing parts of activated charcoal filter system3 pages
Exhaust system › Exhaust system4 pages
Removing and installing parts of exhaust system3 pages