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Audi A8 2019, Обучение по обслуживанию

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Interior equipment

Instrument panel

The upper trims for the instrument panel can be ordered 
with various wood inlays that form the wrap-around – the 
large arc that runs above the door trim panels as far as the 
rear. This area contains the air vents which are covered by 
these trims when not in use. When air from the climate 
control system flows directly into the interior, the shutters 
glide away upwards electrically while the air outlets move 
out towards the driver and the front passenger.

Design

Situated to the right and left of the central 10.1" touch-
screen and around the light switch, covers with the same 
black panel appearance as the display create an uninter-
rupted uniform look. 

The transition between this level and the level of the air 
vents is in turn covered on the right and left by a trim strip. 

662_109

662_110

Instrument panel vent

Upper trim for instrument panel

10.1" touchscreen, display unit for front information display 
and Front Information Display Control Head 
J685

Trim strip

Cover in black panel design

Cover in 
black panel design

Trim strip

Upper trim for instrument panel

Instrument panel vent

Содержание A8 2019

Страница 1: ...The 2019 Audi A8 Introduction eSelf Study Program 990493 ...

Страница 2: ...anges at any time without notice No part of this document may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise nor may these materials be modified or reposted to other sites without the prior expressed written permission of the publisher All requests for permission to copy and redistribute information sh...

Страница 3: ...n and sport differential 37 Suspension 40 Overview 40 Axles and wheel alignment 41 Adaptive air suspension 42 Steering system 43 Suspension 44 Wheels and tires 45 Electrics and electronics 46 Installation locations of the control modules 47 Climate control 48 New features 49 Safety and driver assistance systems 50 Passive safety 50 Active safety 68 Driver assistance systems 92 Infotainment and Aud...

Страница 4: ...nents or new technologies It is not a repair manual Figures are given for explanatory purposes only and refer to the data valid at the time of preparation of the SSP For further information about maintenance and repair work always refer to the current technical literature This eSSP contains video links which you can use to access interactive media ...

Страница 5: ...y the new A8 marks the beginning of a new design era for the entire brand The front end with its wide upright single frame grille and fluid muscular body symbolizes sporty elegance sophistication and progressiveness The defining design feature of the new A8 is spacious luxury The interior resembles a lounge of generous proportions The interior is deliberately minimalist with clearly defined and st...

Страница 6: ...with two touch screens a switch panel optional and an illumi nated button module with tactile and audible feed back intelligent handwriting entry with whole word and multifinger recognition An Audi virtual cockpit with HD resolution and optional head up display Driver assistance systems For the first time in an Audi a central driver assis tance control module zFAS utilizes the data from various se...

Страница 7: ...tem with the 0D3 final differential will only be used on the S8 Climate control The climate control system uses R 1234yf as a refrigerant In the future Carbon dioxide CO2 will be used as a refrigerant It is referred to commercially as R744 It contains neither fluorine nor chlorine and is pro duced in a series of natural processes that reduce the possibility of depleting the earth s ozone layer Bod...

Страница 8: ...945 mm 58 5 in 1488 mm 64 2 in 1633 mm 83 8 in 2130 mm 41 2 in 1049 mm 46 6 in 1185 mm 123 1 in 3128 mm 208 7 in 5302 mm 38 9 in 989 mm 3 9 2 i n 9 9 5 m m 27 4 in 697 mm 4 1 4 i n 1 0 5 1 m m 1 Dimensions 662_073 662_074 662_075 ...

Страница 9: ... mm Width including exterior mirrors 83 8 in 2130 mm Height 58 5 in 1473 mm Front track width 64 7 in 1644 mm Rear track width 64 3 in 1633 mm Wheelbase 123 1 in 3128 mm Unladen weight 4287 9 lb 1945 kg Inner dimensions and other specifications Front cabin width 62 2 in 1581 mm 2 Front shoulder width 59 1 in 1502 mm 3 Rear cabin width 61 1 in 1553 mm 2 Rear shoulder width 57 5 in 1462 mm 3 Load si...

Страница 10: ... a standard wheelbase The body of the long wheelbase version A8 L is 5 12 in 130 mm longer in the area of the B pillar Key Sheet aluminum Die cast aluminum Aluminum section Ultra high strength steel hot stamped Carbon fiber reinforced polymer CFRP Magnesium Advanced high strength steel High strength steel Soft steel A rear bulkhead made of carbon fiber saves approximately 50 of the weight compared...

Страница 11: ...ulti material body Resistance spot welds on steel Resistance spot welds on aluminum MAG welds Laser welds on aluminum MIG welds Friction element welds 662_192 Semi tubular punch rivets Pop rivets Flow drill screws Clinch connections Seaming Bonding Joining techniques ...

Страница 12: ...blanks where variations in sheet metal thickness are produced by controlled opening and closing of the gap between the rollers These variations in sheet metal thickness not only save weight but also create defined crumple zones which provide protection in the event of a side impact The sheet metal thicknesses vary between 0 06 and 0 08 in 1 5 and 2 0 mm Partial tempering The individual zones of th...

Страница 13: ...r center armrest is inserted into the body through the rear window cutout during final assembly It is connected to the body structure using two component strength adhesive and rivets The two component adhesive prevents contact corrosion Roll hemming is used all around for the entire front and rear door sills This process increases the door opening area better ingress and egress for the occupants a...

Страница 14: ...ors in the event of an electrical malfunction two Bowden cables are used one from the interior door handle and one from the exterior door handle To open the door from the interior the interior door handle must be pulled far beyond the normal e lock opening angle Opening the door with the exterior door handle can only be done after the lock cylinder or interior door handle have been actuated The ex...

Страница 15: ...exterior door operation via the microswitch Interior door handle in the rest state Driver Side Interior Door Handle Switch F550 Front Passenger Side Interior Door Handle Switch F551 Driver Side Rear Interior Door Handle Switch F552 Passenger Side Rear Interior Door Handle Switch F553 662_107 662_108 Reference You can find further information on the electric door lock in eSelf Study Program 970293 ...

Страница 16: ...e driver and the front passenger Design Situated to the right and left of the central 10 1 touch screen and around the light switch covers with the same black panel appearance as the display create an uninter rupted uniform look The transition between this level and the level of the air vents is in turn covered on the right and left by a trim strip 662_109 662_110 Instrument panel vent Upper trim ...

Страница 17: ...nsole The transition is made through a second 8 6 touchscreen with an operator control module at the bottom 662_111 662_112 8 6 touchscreen display unit 2 for Front Information Display Control Head 2 J1060 Selector mechanism Switch Module in Instrument Panel Center EX22 Center Console Switch Module 1 EX23 ...

Страница 18: ...oncept The Rear Seat Remote unit with its 5 7 OLED display is similar in size to a smartphone and is housed in the center armrest and can be removed The Rear Seat Remote can be used to set convenience and infotain ment functions in the rear Another option is heated arm rests in the center armrests at the front and rear and in the doors 662_114 Buttons for seat adjustment Folding tables Audi phone ...

Страница 19: ...ating and ventilation each separately controllable in three stages The optional massage functions have also been extended Every backrest contains 16 small bubble shaped air pockets They massage the entire back For this purpose there is a choice of seven programs and three levels of intensity A small compressor for each seat delivers up to 7 25 psi 0 5 bar pressure 662_115 662_116 Individual contou...

Страница 20: ...y The lumbar support can then be adjusted pneumatically If desired a massage function is also available with 18 triple air pockets per seat The individual seat system fea tures the same adjustment options as those in the rear three seat system Foot massage Massage shoulder area Rear Seat Remote Massage back area The entire foot reflex zones are also stimulated The rear passengers can lean their he...

Страница 21: ...o piece glass roof The front glass panel is movable while the rear glass panel is fixed Since drainage is possible via the front windshield and rear window no drain hoses are fitted here A glass cover is securely mounted in front of the movable panel ...

Страница 22: ...rol Adaptive lambda control adaptive knock control Mixture formation Direct injection Exhaust gas treatment 2 close coupled ceramic catalytic converters Oxygen sensor before and after catalytic converter Emission standard LEV3 Tier3 Concept Mild hybrid 48V Engine speed rpm 662_087 Reference For further information about the 3 0L V6 TFSI Engine please refer to eSelf Study Program 920173 The Audi 3 ...

Страница 23: ...pment number indicating torque capacity generation and position of front final drive AL552 8Q Key to new manufacturer code designation For example 8 speed automatic transmission rear Ring gear diameter in mm 1st generation 2nd generation 3rd generation Manufacturer code M Magna powertrain Z ZF Friedrichshafen AG S Standard non locking differential T Torque Vectoring sport differential HL195 S3 M F...

Страница 24: ... installed in the tank and a refueling shut off valve is installed in the liquid trap Level sensor in the top chamber Non return flap Swirl pot with integrated fuel filter in the delivery module long life in the tank A rollover valve is installed at the bottom of the tank The end of the valve line is found at the top in the liquid trap and also on the immersion tube ...

Страница 25: ...ump Baffle Fuel supply line Fuel return line Liquid trap with short refuelling shut off valve in 21 7 gal 82 l fuel tank Level sensor in the secondary chamber Rollover valve with pressure retaining valve Mixer tube on the transfer side Line for suction jet pump Refueling shut off valve Vent line ...

Страница 26: ... main and secondary catalytic converters Both catalytic convert ers are ceramic type converters Center muffler operates on the absorption principle Decoupling element Front muffler operates on the absorption principle Main catalytic converter Secondary catalytic converter The catalytic converter is bolted directly to the exhaust turbocharger outlet This allows the catalytic converter to reach its ...

Страница 27: ...sen tial that the servomotor be removed before testing the movement of the flap Exhaust flaps Two of the four exhaust outlets can be closed reducing noise as the vehicle accelerates from a stop Exhaust Door Control Unit 2 J945 Rear muffler operates on the reflec tion and absorption prin ciple Exhaust Door Control Unit J883 662_077 ...

Страница 28: ...t Valve 1 N262 Transmission mount Right Electrohydraulic Engine Mount Solenoid Valve N145 Engine mounts Five point engine transmission mounts are installed on the 3 0l TFSI engine They are hydraulically switchable mounts The engine and side transmission mounts have two operat ing states They are soft at idle and switch to hard when driving 662_121 Hydraulic engine mount ...

Страница 29: ...63 are laterally mounted to the transmission to counteract the torsional vibration of the engine and transmission unit The conventional transmission mount is installed in the rear section of the transmission and counteracts the load reversal and tilt functions Hydraulically switchable transmission mounting Conventional transmission mounting ...

Страница 30: ...y Program 990163 The 2017 Audi Q7 Introduction The transmission has now been adapted to the Audi A8 and further enhanced Refer to page 30 for more information The selector mechanism transmits the driver s operating requirements through shift by wire technology Refer to page 28 for more information The parking lock emergency release mechanism is similar to the Audi Q7 and has been adapted for the A...

Страница 31: ...differential Drivetrain Control Module J775 sends a signal for the calculated redistribution of torque between the rear wheels to Differential Lock Control Module J187 via the FlexRay bus The differential lock control module activates the sport differential actuators and initiates the redistribution of torque The sport differential set up can be influenced using the Audi drive select modes Refer t...

Страница 32: ... Connection to selector lever position display Connection between selector lever and vehicle Selector Lever Transmission Range Display Y5 The Audi A8 also now uses the current selector mechanism and operating concept Only the design has been adapted to the interior of the Audi A8 1 J587 communicates over the instrument cluster CAN bus J533 gateway and the FlexRay data bus system are used for commu...

Страница 33: ...ket wrench Locking the parking lock P ON position Pull the parking lock emergency release device slowly upwards out of the actuating mechanism position 4 If the device is removed quickly it could damage the release mechanism Fit the cover Emergency releasing the parking lock P OFF position Remove cover Insert the socket wrench into the actuating mechanism position 1 Turn the socket wrench clockwis...

Страница 34: ...transmission as used in the A8 are new The MTF pump in the transfer case previously driven by the side shaft is no longer required The bearing for the drive pinion of the front drive has been optimized for friction by double row angular contact ball bearings The front differential is lubricated by a new low viscosity axle oil The hydraulic impulse storage system HIS for short is replaced by Transm...

Страница 35: ...isible from below see page 34 Double shaft seal transfer case front axle drive Inspection and filler plug for front axle drive Front differential Double row angular contact ball bearings ATF filler and inspection plug ATF pan made of plastic with integrated ATF filter Planetary gear set Torque Converter with dual mass vibration dampening plate ...

Страница 36: ...taining STURACO1 not subject to routine maintenance Oil supply for the front axle drive The new low viscosity axle oil is not subject to routine maintenance and must not be mixed with non low viscosity axle oil To avoid mixing oils the new axle oil is dyed red ATF and MTF systems The 0D5 transmission has three separate systems containing different types of oil Leak oil drainage port for the gear s...

Страница 37: ...TF pump V475 provides a reliable supply of ATF for the start stop func tions of the transmission If the auxiliary hydraulic pump is unable to circulate ATF because the overload cut out has been actuated or a fault has occurred the start stop functions are no longer avail able If V475 is faulty the yellow transmission warning lamp lights up V475 operates within an ATF temperature range of 68 257 F ...

Страница 38: ...double shaft oil seal transfer case front axle drive Transmission Fluid Auxiliary Hydraulic Pump 1 V475 Connection to vehicle Connection to Transmission Fluid Auxiliary Hydraulic Pump 1 V475 Connector Mechatronic module ATF filler and inspection plug MTF filler and inspection plug for transfer case Electrical connector housing for connection to vehicle Power supply for Transmis sion Fluid Auxiliar...

Страница 39: ...rmal management system of the ECM decides when valve N509 is to be opened while Transmission Control Module J217 sends the signal to actuate the valve The criteria for opening valve N509 are the ambient tem perature the engine temperature the ATF temperature the engine speed and the requested heat demand of the climate control system Heating and cooling of the ATF N509 open If the engine has reach...

Страница 40: ...ol Module G747 Parking Lock Sensor J217 Transmission Control Module J500 Power Steering Control Module J533 Data Bus on Board Diagnostic Interface gateway J623 Engine Control Module N88 Solenoid Valve 1 N215 Automatic Transmission Pressure Regulating Valve 1 N216 Automatic Transmission Pressure Regulating Valve 2 N217 Automatic Transmission Pressure Regulating Valve 3 N218 Automatic Transmission P...

Страница 41: ...f Audi Drive select auto mode Transmission The shift points in selector positions D and S are selected according to the driver type recognition characteristics For this purpose the system evaluates the way in which the vehicle is being driven The system factors in the way in which the brake and accelerator pedals are applied as well as the transverse and longitudinal acceleration of the vehicle wi...

Страница 42: ...off automati cally when the brake is applied as the vehicle rolls to a stop One of these conditions is that the selector lever is not in position R The engine is automatically restarted when required The requirements for this are a very short start time and quick readíness for drive away In the Audi A8 with MHEV equipment quick readiness for drive away is ensured by Transmission Fluid Auxiliary Hy...

Страница 43: ...r pedal is pressed Depending on the gradient downhill assist is active in selector positions D and S while the brake is applied or while cruise control is active Note Downhill assist cannot overcome the physical limitations of the vehicle and therefore cannot maintain a set speed in all conditions The driver must always be ready to apply the brakes Downhill assist could also be inactive if the bra...

Страница 44: ...he optional dynamic all wheel drive steering system used here for the first time by Audi combines dynamic steering and rear axle steering The system improves important subjective and objective driving dynamic characteristics The brake system offers high performance reserves A ceramic brake system wheel is optional With the 9th generation ESC from Robert Bosch GmbH an efficient system is available ...

Страница 45: ...e trapezoidal link rear axle in the predecessor model has been replaced by a newly developed five link axle The geometrical arrangement of the links ensures good separa tion between longitudinal and lateral friction force Wheel alignment The wheel alignment and suspension setup procedures are identical to those for the Audi A4 and Q7 models The adjustment points are also identical 662_175 662_176 ...

Страница 46: ...he measurement data on yaw rate torque about the vertical axis of the vehicle and transverse acceleration from the Airbag Control Module J234 via the FlexRay bus Suspension strut with damper and Right Front Damping Adjustment Valve N337 Right Front Level Control System Sensor G289 Suspension strut with damper and Left Front Damping Adjustment Valve N336 Left Front Level Control System Sensor G78 L...

Страница 47: ... the first time in the 2017 Audi Q7 a new system dynamic all wheel drive steering is optional in the Audi A8 A new feature is the combination of rear axle steering and dynamic steering This allows the front and rear axles to implement defined steering angles inde pendent of the driver This improves key subjective and objective dynamic steering characteristics such as Smaller turning radius Reduced...

Страница 48: ...d ESC unit ESP 9 is used in the Audi A8 Depending on trim level brake pressure is built up by hydraulic pumps with two or six pistons In the basic trim of the vehicle pumps with two pistons are used in combination with a pressure sensor for measuring the driver s input brake pressure Vehicles with ACC are equipped with the six piston version Here two additional pressure sensors measure the pressur...

Страница 49: ... tires extends from 235 60 R17 to 265 40 R20 Tires with run flat capability are not available The vehicle comes with a tool kit a jack and a space saver spare Tire pressure monitoring system The third generation TPMS is standard equipment on the A8 The system is identical in design and working principle to that of the 2017 Audi Q7 669_158 ...

Страница 50: ... Column Adjustment Control Module J187 Differential Lock Control Module J234 Airbag Control Module J245 Sunroof Control Module J285 Instrument Cluster Control Module J345 Towing Recognition Control Module J386 Driver Door Control Module J387 Front Passenger Door Control Module J392 Rear Sunroof Control Module J393 Comfort System Central Control Module J428 Control Module for Adaptive Cruise Contro...

Страница 51: ...g Control Module J794 Information Electronics Control Module 1 J853 Night Vision System Control Module J869 Structure Borne Sound Control Module J898 Windshield Projection Head Up Display Control Module J926 Driver Side Rear Door Control Module J927 Passenger Side Rear Door Control Module J931 Assembly Mount Control Module J1018 Left Light Control Module J1019 Rear Axle Steering Control Module J10...

Страница 52: ...um system pressure on the high pressure side is 2030 5 psi 140 bar 662_120 AC compressor with pres sure relief valve high pressure side Gas cooler Pressure relief valve low pressure side Service connection low pressure side Expansion valve Accumulator Coaxial refrigerant line Service connection high pressure side Low Pressure Side A C Pres sure Temperature Sensor G1052 High Pressure Side A C Press...

Страница 53: ...e control functions in the upper MMI display can be accessed through the Car menu Various control panels are available in the rear area depending on trim level Cabin fragrance system There is a choice of two different fragrances in the new Audi A8 a summer fragrance and a winter fragrance The fragrances are stored in two cylindrical containers in Fra grance System Functional Unit GX43 which is loc...

Страница 54: ... Front passenger airbag Driver airbag Front side airbag Front inertia reel seat belts with electric seat belt tensioners Front inertia reel seat belts with active belt force limiters Inertia reel seat belts for 2nd seat row with pyrotechnic belt tensioners for driver and front passenger sides Inertia reel seat belts for 2nd seat row with pyrotechnic belt tensioners for driver and front passenger s...

Страница 55: ...ve occupant safety are schematic diagrams designed to aid understanding 662_012 Front side airbag Head airbag driver and front passenger sides Side airbag 2nd seat row Side airbag 2nd seat row Interaction airbag 2nd seat row optional equipment ...

Страница 56: ...m overview 1 The Passenger Seat Occupant Detection Sensor G128 is con nected by a discrete line to Passenger Occupant Detection System Control Module J706 which communicates with the Airbag Control Module J234 via a LIN bus ...

Страница 57: ...ule K19 Seat Belt Indicator Lamp K75 Airbag Indicator Lamp K145 Front Passenger Airbag Disabled Indicator Lamp Wire colors Diagnostics CAN Instrument panel insert CAN Sub bus system Input signal Output signal FlexRay LIN bus Comfort convenience systems CAN 2 N95 Driver Airbag Igniter N131 Front Passenger Airbag Igniter 1 N132 Front Passenger Airbag Igniter 2 N153 Driver Seat Belt Tensioner Igniter...

Страница 58: ... designated channel A and channel B 662_056 662_055 Installation location Data Bus on Board Diagnostic Interface J533 Driver Assistance Systems Control Module J1121 J706 J854 J1097 J855 J1098 J187 J623 J1088 J1089 J769 J770 J104 J217 J775 J1019 J792 J500 J428 J1122 J234 J527 Channel A Channel B Wire colors FlexRay LIN bus Sub bus system System overview For the sake of clarity additional system com...

Страница 59: ...g control module indicates the accident severity and collision levels to the data bus Other bus users receive this crash signal and can then take the appropriate action for example shutting off the fuel supply If the vehicle is equipped with dynamic all wheel drive steering or quattro with sport differential the driving dynamics control sensors are duplicated in the airbag control module The dupli...

Страница 60: ...ent the signal to isolate the 48 volt battery is transmitted in two different ways This provides redundant multiple backup for signal transmission Pathway 1 The 48 volt battery is disconnected as described under Response to a minor accident Pathway 2 J234 is also wired discretely to the 48V Battery Control Module A6 In the event of a severe accident J234 energizes the battery control module via th...

Страница 61: ...corded in a separate block The airbag control module can still be used because a free block is still available and the block in which the minor accident or near accident event is recorded can be overwritten by a severe accident Even if four severe accidents and two minor accidents or near accident events have been stored in the six blocks the two blocks in which the minor accidents or near acciden...

Страница 62: ...s without the control module having to be replaced Data recording As mentioned previously various units of vehicle data are recorded Personal data is not recorded Generally data is recorded up to five seconds before an accident and 300 milliseconds after an accident This data includes Vehicle speed Engine speed Steering angle Seat belt status fastened not fastened Diagnostics and read out tool The...

Страница 63: ...ansferred to a read only memory The ASM can be deactivated by service personnel using the Guided Fault Finding function There is a special ASM deactivation form which must be filled out and signed by the customer Reference For further information about the EDR and ASM refer to the Owner s Manual Diagnostics Introduction As with the EDR the ASM has a read only memory consist ing of six blocks In th...

Страница 64: ...ch ultimately activates the Front Passenger Airbag Disabled Indicator Lamp K145 Note This applies to all vehicles that are based on the modular longitudinal platform and which use the FlexRay data bus to com municate with the Airbag Control Module J234 Key FlexRay Comfort convenience systems CAN 2 LIN bus Input signal Output signal The front passenger airbag OFF warning lamp indicates whether the ...

Страница 65: ...through the fabric and through the seams of the airbag This means that the interaction airbag has a much longer useful life than a side airbag This is necessary because it has to protect the occupants over a longer period of time The interaction airbags are activated in all severe side on impacts in which the side airbags also deploy Reference For information on installation and removal of the int...

Страница 66: ...ust be equipped with electrically adjustable individual seats It is installed in the center of the parcel shelf between the two rear occupants The interaction airbag has a cover facing the parcel shelf The cover forms a unit with the interaction airbag and must not be removed Note No objects may be placed on or above the rear interaction airbag cover Airbag module Cover Electrical connector plug N...

Страница 67: ...eady in sleep mode the reversible seat belt tensioners are active for about five seconds after the seat belt is fastened and monitor the seat belt Automatic belt retractor When Audi pre sense basic detects specific driving situa tions corresponding signals are sent to the data bus J234 evaluates the signals and if necessary instructs the seat belt tensioner control module to partially or fully ten...

Страница 68: ...eased again This produces a tug on the seat belt When the other tactile warning is given the reversible seat belt tensioner is fully tensioned This eliminates belt slack completely and the seat belt is tensioned 662_032 Rear reversible seat tensioner optional As an option the 2019 A8 can be equipped with reversible seat tensioners on the rear outer seats in addition to the front reversible seat be...

Страница 69: ... the Airbag Control Module J234 deploys the belt tensioners and the lap belt tensioners The seat belt is tensioned by the belt tensioner on the automatic belt retractor For safety reasons the belt force is limited by the active belt force limiter The lap belt tensioner tensions the part of the seat belt in the region of the occupant s pelvis Submarining Submarining occurs if an occupant slides dow...

Страница 70: ...o place Diagnostics The lap belt tensioner is a pyrotechnic component The safety instructions are the same as for other pyrotechnic components The lap belt tensioner becomes unusable after its pyrotechnic charge has ignited and has to be replaced as a unit Airbag Control Module J234 continu ously monitors the lap belt tensioners for proper function ing Faults in the system are registered as DTCs b...

Страница 71: ...for the illumination For this reason J519 is discretely wired to the seat belt buckle lighting units For further information about the illumination function of the seat belt buckles for example switch on point run on time etc please refer to eSelf Study Program 970293 The 2019 Audi A8 Electrics and Electronics Design of the lighting unit 662_014 Luminous ring The actual seat belt function is uncha...

Страница 72: ...tensively with regard to Audi pre sense These modifications mean that J234 can now initiate Audi pre sense actions which were previously initiated by other control modules For example Driver Assistance Systems Front Camera R242 evaluates the image data which it has acquired Depend ing on the severity of the critical situation the front camera then instructs other systems to initiate actions Such a...

Страница 73: ...udible and visual early warnings are set to later The settings for the early medium or late early warning are active until another selection is made in the MMI If the early warning has been set to off the early warning is switched on again after the ignition is switched back on The system reactivates the setting which was active before the early warning was switched off Setting and switching off t...

Страница 74: ...sion avoidance assist The turn assist and collision avoidance assist functions of Audi pre sense can be switched off separately in the MMI Once they have been switched off they remain switched off until the functions are reactivated in the MMI Switching the ignition off and on again does not activate them Audi pre sense and profile master for driver assistance systems Audi pre sense can also be sw...

Страница 75: ...ess the thick winter jacket The distance which the seat belt can travel until it fits the front occupants perfectly is termed belt slack 662_079 662_080 The seat belt is tightened with defined force by the revers ible seat belt tensioners under the following conditions This enables any existing belt slack to be reduced If the vehicle reaches a speed of about 9 3 mph 15 km h after starting the engi...

Страница 76: ... emergency braking maneuver the reversible seat belt tensioners are fully tensioned A distinction is made between the following three criteria for emergency braking An emergency braking situation exists if J104 detects that brake pressure had reached a specific value within a defined period of time If the conditions are met Audi pre sense basic initiates electrical full tensioning of the reversibl...

Страница 77: ... Button E256 the seat belts are not partially tensioned If Audi drive select is set to dynamic the seat belts are not partially tensioned If Audi pre sense is deactivated in the MMI the seat belts are not partially tensioned 662_082 Driving Profile Selec tion Switch Module E592 ASR ESP Button E256 Belt slack reduction Visual advance warning and or indication of cor rective action Partial tensionin...

Страница 78: ...indicating that Audi pre sense is active appears in the instrument cluster No audible signal is given The side windows and the panoramic sunroof are closed If the vehicle can no longer be stabilized the following actions are initiated The electrically reversible seat belt tensioners are fully tensioned A message indicating that Audi pre sense is active appears in the instrument cluster No audible ...

Страница 79: ...nic components such as the airbags deploy during these head on collisions In addition to this the closing of the side windows and the panoramic sunroof as well as the inflation of the seat and backrest side bolsters are initiated at speeds of 31 0 mph 50 km h or higher Pre sense rear With Audi pre sense rear the following actions can be initiated RECAS alert Rear End Collision Avoidance System The...

Страница 80: ... basis the airbag control module decides which actuators to acti vate It relays this information to different control units such as Sunroof Control Module J245 The other control modules receive this data and activate the relevant actuators Audi pre sense rear now initiates the following actions which can be subdivided into two phases Phase 1 If the driver in the following vehicle reacts during thi...

Страница 81: ...fully tensioned if the vehicle is travel ing at a lower speed If your own vehicle exceeds a preset speed reversible seat belt tensioners are not tensioned The four reversible seat belt tensioners are connected to the Airbag Control Module J234 by a sub bus system The reversible seat belt tensioners are Left Front Seat Belt Tensioner Control Module J854 Right Front Seat Belt Tensioner Control Modul...

Страница 82: ...osition The electrical head restraints2 move into an elevated position Display of corrective action by Audi pre sense in the instrument cluster Movement of the electri cal head restraints into the upright position Closing of the side windows apart from a residual gap Closing the panoramic sunroof Visual advance warning and or indication of corrective action Movement of the upper backrests into the...

Страница 83: ...ide of the vehicle Intersec tion assist also utilizes two mid range radar sensors which are able to detect objects within a distance of 75 6 yd 70 m behind and to the side of your own vehicle Left Front Object Detection Radar Sensor J1088 is installed in the front bumper on the left hand side of the vehicle Right Front Object Detection Radar Sensor J1089 is installed in the front bumper on the rig...

Страница 84: ...f your vehicle If the airbag control module detects a critical situation it takes the following measures almost simultaneously Raising of the vehicle on the collision facing side to be implemented at a future date Full tensioning of the reversible seat belt tensioners Closing of the side windows apart from a residual gap Closing of the panoramic sunroof The electrical upper backrests move into an ...

Страница 85: ...rning by braking impulse Automatic braking to emergency braking level Target braking The electrical head restraints move into an elevated position Inflation of the side bolsters in the seats and backrests Closing the panoramic sunroof Closing of the side windows apart from a residual gap Partial tensioning of the electrically reversible seat belt tensioners Full tensioning of the electrically reve...

Страница 86: ...pproximately 18 6 mph and 155 3 mph 30 250 km h resulting in a critical driving situation the instrument cluster gives the driver audible and visual early warnings when set limits are exceeded These warnings are given within a certain time frame ahead of the last braking opportunity for braking or collision avoidance before the actual collision occurs The timing of warnings depends on the driver s...

Страница 87: ...ng how Audi Pre sense front responds automatically to vehicles Visual advance warning and or indication of cor rective action Audible warning beep Prefilling of the brake system Reconfiguration of hydraulic brake assist Acute warning by braking impulse Automatic braking up to emergency braking inten sity Closing of the side windows apart from a residual gap Closing the panoramic sunroof Partial te...

Страница 88: ...rning and or indication of cor rective action Audible warning beep Prefilling of the brake system Reconfiguration of hydraulic brake assist Acute warning by braking impulse Target braking Closing of the side windows apart from a residual gap Closing the panoramic sunroof Partial tensioning Full tensioning Inflation of the seat side bolsters Movement of the upper backrests into the upright position...

Страница 89: ...trol Module J104 initiates automatic braking Depending on the speed at which the vehicle is traveling braking power may increase progressively to maximum level emergency braking Depending on the situation the following additional actions may be initiated Closing the panoramic sunroof Closing of the side windows apart from a residual gap Partial tensioning of the electrically reversible seat belt t...

Страница 90: ...ese signals will alert the driver to the fact that he must actively take control of the vehicle for example by applying braking If the driver fails to take control of the vehicle the system will release the brake and the vehicle will start to move 662_163 Process diagram showing how Audi Pre sense front responds automatically to pedestrians cyclists Visual advance warning and or indication of cor ...

Страница 91: ...tions of Audi pre sense front for example early warning will be suppressed or cancelled If the obstacle is no longer relevant after this Audi pre sense front will cease to provide driver assistance If Audi pre sense is deactivated in the MMI the warning and braking functions of Audi pre sense front will be deactivated too If ESC is set to off certain functions of Audi pre sense front will only be ...

Страница 92: ...ate to the situa tion The merging of data from various sources provides a very exact map of the vehicle periphery 662_166 Driver Assistance Systems Front Camera R242 Laser Distance Regu lation Control Module J1122 Right Adaptive Cruise Control Sensor G259 and Control Module for Adaptive Cruise Control J428 Pre sense turn assist Audi pre sense turn assist can help the driver with turning maneuvers ...

Страница 93: ...knows that the driver intends to turn off to the left If J1122 detects that turning now would result in a critical situation involving oncoming traffic 2 it instructs the ABS ESC Control Module J104 to reconfigure hydraulic brake assist If the driver 1 were now to continue with the turning maneuver and start to drive away this will be detected by the ACC control module through the wheel speed sens...

Страница 94: ...odule J428 J428 merges the data and can instruct other systems to initiate actions appropriate to the situation The merging of data from various sources provides a map of the vehicle periphery Audi pre sense collision avoidance assist can aid the driver with evasive maneuvers while approaching another vehicle In models equipped with Audi pre sense collision avoidance assist the following actions c...

Страница 95: ...ry to guide the vehicle 1 along the evasion line by providing steering assistance along the evasion line of the vehicle 2 The vehicle 1 is additionally stabilized by braking individual wheels Collision avoidance assist can only help the driver 1 when the driver 1 carries out the evasion process actively by making correc tive steering inputs himself Visual and audible messages indicating that Audi ...

Страница 96: ...udinal control function while the lateral control function is active With the introduction of adaptive cruise assist active lateral control of the vehicle is available at all speeds up to 155 3 mph 250 km h In the Audi Q7 or the Audi A4 A5 lateral control is the task of Audi active lane assist at 65 kph or higher At speeds of less than 60 kph it is the task of traffic jam assist if a traffic jam s...

Страница 97: ...ss traffic if the vehicle is traveling at a speed of at least 6 2 mph 10 km h Cross traffic can be a normal vehicle a bus or a truck but also a cyclist or motorcyclist If the cyclist or motorcyclist is recognized by the system the system responds in exactly the same way as to a vehicle Intersection assist sensors To implement intersection assist the vehicle requires two additional radar sensors wh...

Страница 98: ...systems will not be introduced until a later date The individual versions are based on each other The higher the version number the more hardware and software are integrated in the control module However an external analysis of the control module shows that it is only possible to differentiate visually between two different versions Control unit of versions A0 and A 662_172 Control unit of version...

Страница 99: ...about 145 The range is approximately 87 4 yd 80 m on average and object recognition is possible from a distance of 3 9 in 10 cm The laser scanner complements the long range radar Although the radar system has a much longer range 273 4 yd 250 m the coverage angle of approximately 35 is much less than that of the laser scanner Calibration The installation position of the laser scanner can be adjuste...

Страница 100: ...96 662_185 Overview of versions The 2019 A8 comes equipped with the latest generation modular infotainment system version MIB2 Infotainment and Audi connect ...

Страница 101: ...or North America Sirius QV3 Audi music interface with 2 USB ports 1 SDXC card reader Bluetooth interface 9ZX UMTS LTE data module EL3 including Audi connect IT3 DVD changer 6G2 front and rear are optional Audi music interface in the rear with 2 USB ports UF8 Optional Audi smartphone interface IU1 Rear Seat Remote QW5 Audi phone box including wireless charging 9ZE Optional Bang Olufsen Premium Soun...

Страница 102: ...em function unit GX43 TBD Note Always refer to the electronic service information for inspection and maintenance procedures The following service intervals are displayed Oil change service Mileage based service events Time based service events Overview of service intervals for vehicles in the USA 662_098 10 000 miles 1 year 20 000 miles 2 years 30 000 miles 3 years 40 000 miles 4 years 50 000 mile...

Страница 103: ...ment Door mirror removal tool T40385 Removal tool 662_222 662_231 Usage For removing the door mirror AC service unit VAS 581 009 to be introduced when Refrigerant R744 becomes available Laser scanner calibration board VAS 6430 12 668_100 ...

Страница 104: ...990293 The 2019 A8 Driver Assistance Systems Self Study Program 990393 SSP 990293 The 2019 Audi A8 Infotainment and Audi Connect Systems SSP 920173 The Audi 3 0l V6 TFSI EA839 engine SSP 990393 The 2019 Audi A8 Driver Assistance Systems SSP 960293 The 2019 Audi A8 Running Gear and Suspension Systems SSP 970293 The 2019 Audi A8 Electrical and Electronics SSP 980193 The 2019 Audi A8 Climate Control ...

Страница 105: ...via the Academy CRC Online Support Form which is located under the Support tab or the Contact Us tab of the Academy CRC Thank you for reading this eSelf Study Program and taking the assessment The Knowledge Assessment is required for Certification credit You can find this Knowledge Assessment at www accessaudi com An On Line Knowledge Assessment exam is Available for this eSelf Study Program Knowl...

Страница 106: ...990493 All rights reserved Technical specifications subject to change without notice Audi of America LLC 2200 Ferdinand Porsche Drive Herndon VA 20171 ...

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