Audi A3 Sportback Скачать руководство пользователя страница 36 | Manualshive

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Audi A3 Sportback Скачать руководство пользователя страница 36

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Engine

Actuators and sensor diagram

Air mass meter G70

Charge air pressure sender G31
intake manifold pressure sender G71

Engine speed sender G28

Hall sender G40

Throttle valve drive angle sender -1- (electric power
control) G187
Throttle valve drive angle sender -2- (electric power
control) G188 Throttle valve control unit J338

Accelerator pedal position sender G79
Accelerator pedal position sender -2- G185

Brake light switch F
Brake pedal switch F63

Fuel pressure sender G247

Intake manifold flap potentiometer G336

Knock sensor 1 G61
Knock sensor 2 G66

Coolant temperature sender G62

Radiator outlet coolant temperature sender G83

Fuel pressure sender, low pressure G410

Intake air temperature sensor G42

Lambda probe G39
Lambda probe after catalytic converter G130

Exhaust gas temperature sender -1- G235

Clutch position sender G476

Alternator DF

Cruise control On/Off

Altitude sender F96
Motronic control unit
J220

Diagnosis connection

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Содержание A3 Sportback

Страница 1: ...Audi A3 Sportback Self Study Programme 332 Service Training...

Страница 2: ...ace and variability thanks to its rear end which is a total of 68 millimetres longer than on its threedoor counterpart The A3 Sportback is immediately recognisable at first glance in the rear view mir...

Страница 3: ...logies The Self Study Programme is not a Repair Manual All values given are intended as a guideline only and refer to the software version valid at the time of publication of the SSP For maintenance a...

Страница 4: ...4 Overview Dimensions of the A3 Sportback Introduction 332_051...

Страница 5: ...he crash performance of the body structure Front view of the body in white Rear view of the body in white 332_048 332_049 Body The body of the Audi A3 Sportback has a highly rigid and crash optimised...

Страница 6: ...igher strength sheet metal are used in areas which are subjected to high mechanical stresses during a crash Welded tailored blanks and deep drawn sheet metal are used in other areas Body Ultra high st...

Страница 7: ...7 332_052...

Страница 8: ...ed in the front floorpan assembly and door areas The result is a distribution of material which provides optimum stress absorption The sills are reinforced using rolled profiles Rolled profiles have a...

Страница 9: ...ot easily accessible The total length of the laser welded joints is approx 25 m Laser soldering Laser solder joining is used to achieve a better design and higher rigidity in the area of the invisible...

Страница 10: ...It is made from aluminium and is available in two finishes high gloss anodised or black powder coated Body Mounting The roof rail is mounted to the roof side member using four bolts Rivet nut Roof si...

Страница 11: ...be opened completely and slid back Two separate sun blinds protect against the glare of the sun and can also be used when the glass roof is open Function Opening is powered by an electric motor When...

Страница 12: ...nd on compatibility Audi s safety first approach to vehicle design complements the information derived from scientific analysis of actual accidents and their impacts To this end the Audi Accident Rese...

Страница 13: ...or diagnosis connection J220 Engine control unit J234 Airbag control unit J285 Control unit with display in dash panel insert J393 Convenience system central control unit J533 Data bus diagnostic inte...

Страница 14: ...ion about the occurrence of a crash is utilised by other control units for opening the central locking system shutting off the fuel supply and activating the hazard warning light system etc Occupant p...

Страница 15: ...lready being used in the Audi A3 3 door 332_006 Note The airbag control system uses sensors integrated in the front doors etc To avoid any impairment to the function of the side airbags no modificatio...

Страница 16: ...t charge The detonator ignites the priming charge which in turn detonates the actual propellant charge through nozzle holes in the gas chamber The combustion of the propellant charge produces a pressu...

Страница 17: ...17 Ignition of the first propellant charge Ignition of the second propellant charge 332_033 332_034...

Страница 18: ...as bottle exceed a preset value the rupture disc will explode and the gas mixture will inflate the airbag The airbag is further inflated by the combustion of the second propellant charge The coil spri...

Страница 19: ...as bottle at 600 bar now breaches the rupture disc The gas flows through the filter into the gas lance which connects the airbag to the gas generator 326_024 Lumbar support plate Functional unit activ...

Страница 20: ...y the airbag control unit Every time the airbag is deployed the battery isolation igniter is activated and must be subsequently replaced When the pyrotechnic propellant charge is ignited the developin...

Страница 21: ...ure sensor for seat occupied recognition G452 Seat occupied recognition control unit J706 Front passenger side belt switch E25 Seat belt force sensor for seat occupied recognition G453 Front passenger...

Страница 22: ...petrol direct injection which combines the advantages of direct injection combustion with the dynamics of the exhaust turbo technology The result is an extremely responsive unit which conveys a highl...

Страница 23: ...s Engine code AXX Type In line 4 cylinder petrol engine Displacement 1984 cm3 Power output 147 kW 200 bhp Torque 280 Nm at 1800 4700 rpm Bore 82 5 mm Stroke 92 8 mm Compression ratio 10 5 1 Weight app...

Страница 24: ...ith respect to its operating principle and position However the following modifications were necessary separation of the gearing and imbalance masses to improve balancing oil pump with wider gear clea...

Страница 25: ...increased wear unless measures are taken For this reason bow springs have been integrated into the sprocket wheel hub They decouple the input shaft of the balancer shaft module from the crankshaft Thi...

Страница 26: ...oothed belt sprocket on the crankshaft The CTC toothed belt sprocket used here for the first time greatly reduces the torsional vibration of the camshaft and the tensile forces acting on the toothed b...

Страница 27: ...y with a reduction in cam and roller land width valve springs rated for increased spring forces identical valve springs are used for the intake and exhaust valves In addition the intake port geometry...

Страница 28: ...is present inside the intake manifold the blow by gases flow directly into the intake manifold If a boost pressure is present a non return valve in the pressure control valve housing closes and the b...

Страница 29: ...N249 Coolant inlet from engine block The turbine shaft mounting is integrated in the compressor housing The air intake includes connections for crankcase and ACF ventilation A specially adapted silen...

Страница 30: ...rated in the manifold to ensure a steady flow of exhaust gases onto the turbine wheel The ports of cylinders 1 and 4 and cylinders 2 and 3 are separated according to the firing order Furthermore the d...

Страница 31: ...stem it is possible to regulate the turbine speed and set the maximum boost pressure 332_011 Note In the event that the control system fails the boost pressure will act directly on the pressure unit a...

Страница 32: ...nd increased turbo lag To avoid this the turbocharger divert air valve N249 is opened by an electrical actuator The valve opens a bypass which allows the compressed air to flow back to the intake side...

Страница 33: ...erature coolant against the direction of flow The coolant which is taken in by the auxiliary water pump flows from the radiator through the turbocharger to the engine block and back to the cooler to d...

Страница 34: ...charcoal filter valve ACF system with double non return valve Throttle valve actuator Intake air temperature sensor 332_058 Operating mode HOSP Homogeneous split for rapid heating up of the catalytic...

Страница 35: ...h modulation 332_078 332_073 High pressure injector Fuel pressure sender G247 Pressure limiting valve High pressure fuel circuit Low pressure fuel circuit Fuel pressure sender low pressure G410 High p...

Страница 36: ...elerator pedal position sender 2 G185 Brake light switch F Brake pedal switch F63 Fuel pressure sender G247 Intake manifold flap potentiometer G336 Knock sensor 1 G61 Knock sensor 2 G66 Coolant temper...

Страница 37: ...6 Motronic current supply relay J271 Engine component current supply relay J757 Terminal 15 voltage supply relay J329 Activated charcoal filter system solenoid valve I pulsed N80 Fuel pressure regulat...

Страница 38: ...adapted to suit the Sportback Rear axles The rear axles for front wheel drive and quattro all wheel drive are identical in design and function to the A3 3 door The spring links wheel carriers and whee...

Страница 39: ...rsion of the warning lamp activation circuit will be come into use in the A3 3 door in May 04 A yellow or red LED is activated depending on fault severity See chapter Electrical system Dash panel inse...

Страница 40: ...in 4 spoke design Sport steering wheel in 3 spoke design with shift paddles standard with DSG Multifunction sport steering wheel for telephone and radio operation in 3 spoke design Ambition Sport ste...

Страница 41: ...is started by pressing the tyre pressure monitor button for at least 2 seconds During the subsequent trip the signals generated by the wheel speed sender are evaluated with allowance being made for th...

Страница 42: ...System faults are indicated by the continuous illumination of the TPM warning lamp and registered in the fault memory of the ESP control unit Control units with TPM capability have additional measure...

Страница 43: ...will be featured on the A3 Sportback A cast aluminium wheel in size 6 5J x 16 is available as an option on models with the Attraction trim A cast aluminium wheel in size 7 5J x 17 is available as an o...

Страница 44: ...44 Bus topology Convenience electronics...

Страница 45: ...l unit J400 Wiper motor control unit J401 Navigation system with CD drive control unit J402 Operating electronics control unit navigation J431 Headlight range control control unit J446 Parking aid con...

Страница 46: ...46 Convenience electronics New features of the convenience electronics...

Страница 47: ...eels The multifunction steering wheel is encoded in the steering column electronics control unit and communicates with the control unit across the LIN bus 4 Convenience system central control unit J39...

Страница 48: ...he Group standard If the yellow electromechanical steering warning lamp comes on then there is a fault in the electromechanical steering system Steering boost may be reduced as a result An audible war...

Страница 49: ...mic value R12 and lining resistance R1s A lining resistance R1s 150 is registered in the fault memory The following message appears on the central display of the dash panel insert Tank system faulty P...

Страница 50: ...Audi A6 into the AB segment However the display panel and the control elements are not kept physically separate from each other As before the new Navigation Plus system is designed for installation in...

Страница 51: ...ystem and controls the TP Memo function which automatically records traffic information for subsequent playback The CAR and SETUP keys are reserved for controlling vehicle specific functions and as a...

Страница 52: ...dia Card cards can be used The cards are locked mechanically into the drive slots By gently pressing on the inserted card the lock is released and the card can be removed Infotainment Integrated voice...

Страница 53: ...selfdiagnosis capability via diagnostic tester VAS 5051 or VAS 5052 All audio channels are amplified by a separate BOSE amplifier As with the BOSE sound system in the Audi A6 and A8 this amplifier now...

Страница 54: ...al mobile phone preparation II See SSP 312 Audi A3 04 Electrical System DVD navigation The NAV key opens the control menu of the DVD based navigation system A wide range of route display modes and opt...

Страница 55: ...Navigation Plus system When installing please note that the coding of the Navigation Plus system operating electronics control unit navigation J402 must be adapted accordingly to ensure proper functi...

Страница 56: ...6 0654321 0 25 05 04 15 28 12 15 28 12 Time of occurrence of fault 25 05 04 Date of fault occurrence 0 must always be zero 0654321 km reading on fault occurrence 86 Fault counter 1 Fault frequency cou...

Страница 57: ...rresponding value automatically 02 Pulses per wheel revolution If the input value is 0 then the system in the Audi A3 06 will calibrate itself after several kilometres and input the corresponding valu...

Страница 58: ...58 Notes...

Страница 59: ...10 98 20 SSP 293 Infotainment Infotainment Sound system Radio module Navigation Order number 000 2811 13 20 Self Study Programmes on the Audi A3 332_084 332_085 332_086 SSP 313 Audi A3 04 Running Gear...

Страница 60: ...ecifications subject to change without notice Copyright AUDI AG I VK 35 Service training audi de Fax 49 841 89 36367 AUDI AG D 85045 Ingolstadt Technical status 05 04 Printed in Germany A04 5S00 11 20...

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