Tài liệu đào tạo hệ thống an toàn bị động và thông tin ô tô Audi Q7

Self Study Programme 637 For internal use only Audi Q7 (type 4M) Occupant protection and infotainment Audi Service Training < Back Forwards > Ξ Contents Occupant safety Infotainment Passive safety Audi offers various levels of the infotainment modules for the Audi Q7 MMI Radio plus is standard in Germany This offers interfaces for external devices such as mobile phones or memory cards The Audi sound system delivers excellent sound quality from its ten speakers It is controlled using the MMI terminal on the center tunnel MMI navigation plus also includes the module Audi connect, which connects the Audi Q7 to the Internet via the LTE standard Rear passengers can surf via the WiFi hotspot with download speeds of up to 100 Mbit/s and send and receive e-mail The driver can use the customised Audi connect services ranging from online traffic information to navigation with Google Earth and Google Street View to online media streaming A new airbag control unit J234 was developed for occupant protection in the Audi Q7 (type 4M) It contains a sensor which measures rotation about the Z axis In addition, the airbag control unit J234 now communicates via the FlexRay bus with other control units such as the ABS control unit J104 The ABS control unit J104 thus receives in real time data on rotation about the Z axis which is utilised by the Electronic Stability Control (ESC) system Depending on country and trim level, pyrotechnic seat belt tensioners can be installed in the 3rd seat row of the Audi Q7 as an option Active safety Depending on country, 4 Audi pre sense functions are optional for the Audi Q7 In additional to Audi pre sense basic, these are: • pre sense rear • pre sense front • pre sense city Audi pre sense city is able to warn the driver about vehicles and pedestrians and brake within system limitations Audi pre sense front brings to the Audi Q7 new functions such as evasion assist and turn assist Audi pre sense 637_097 Learning objectives of this self study programme: This self study programme describes the occupant protection and infotainment systems of the Audi Q7 (type 4M) Once you have completed this self study programme you will be able to answer questions on the following topics: • New passive safety features • New active safety features • Modifications to and new features of the infotainment system Contents Passive safety Overview Components System overview _ Centre crash sensor for X/Y axis G858 _ Airbag control unit J234 _ Seat belts 12 Lap belt tensioner with buckle _ 16 Active safety Audi pre-sense _ 18 Pre sense basic 18 Pre sense rear _ 21 Pre sense front 24 Pre sense city 30 Settings and displays _ 34 Infotainment Overview of versions 44 Second-generation MIB Standard _ 46 MMI radio 47 MMI Radio plus 48 MMI Navigation plus 49 Audi connect (depending on market) _ 50 Control panel 51 Display mechanism _ 54 Audi phone box 57 Network system _ 58 Sound systems 60 Aerials overview _ 66 Appendix Test your knowledge 69 Self study programmes _ 71 The self study programme teaches a basic understanding of the design and mode of operation of new models, new automotive components 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 This content is not updated For further information on maintenance and repair work, always refer to the current technical literature Note Reference < Back Forwards > Ξ Contents Passive safety Overview In-vehicle airbags Driver airbag On the following pages you will find a summary of the occupant protection system in the Audi Q7 Components Front pass airbag Front side airbag Depending on country version and trim level, the passive occupant and pedestrian protection system in the Audi Q7 can comprise the following components and systems: • Airbag control unit • Adaptive driver airbag • Adaptive front passenger airbag (front passenger airbag, two-stage country version) • Front side airbags • Rear side airbags (equipment option) • Head airbags • Front airbag crash sensors • Crash sensors for side impact detection in the doors • Crash sensors for side impact detection in the C posts • Crash sensor for side and longitudinal impact detection • Centre pedestrian protection crash sensor (acceleration sensor, country version) • Left and right pedestrian protection crash sensors (pressure sensors, country version) • • • • • • • • • • • • • Front inertia-reel seat belts with pyrotechnic belt tensioners Front inertia-reel seat belts with electrical belt tensioners Front inertia-reel seat belts with active belt force limiters Inertia-reel seat belts for second seat row with pyrotechnic belt tensioners, driver and front passenger sides (country version) Inertia-reel seat belts for third seat row with pyrotechnic belt tensioners, driver and front passenger sides (country version) Front lap belt tensioner (country version) Seat belt warning for all seats (country version) Seat occupancy sensor in front passenger seat Front pass airbag disabling switch (country version) Front pass airbag OFF and ON warning lamp Driver and front passenger seat position sensors Pedestrian protection trigger (country version) Battery isolator < Back Front side airbag Head airbag, driver and front passenger side Forwards > Ξ Contents Rear side airbag Rear side airbag 637_007 Note The diagrams in the chapter "Passive occupant safety" are schematic diagrams and aid understanding < Back Forwards > Ξ Contents System overview The system overview shows the components for all markets Keep in mind that this constellation is not possible in volume production 637_009 < Back Forwards > Ξ Contents Additional equipment Equipment specifications can vary due to the different requirements and statutory provisions for car makers in the various markets Key to figure on page 6: E24 Driver side seat belt switch E25 Front pass side seat belt switch E224 Airbag disabling switch, front passenger side F390 F391 F392 F393 F395 Driver side seat belt switch, 2nd seat row Centre belt switch, 2nd seat row Front pass side seat belt switch, 2nd seat row Driver side seat belt switch, 3rd seat row Front pass side seat belt switch, 3rd seat row G128 G179 G180 G256 G257 G283 G284 G551 G552 G553 G554 G598 G599 G693 G851 G852 G858 Passenger side seat occupancy sensor Side airbag crash sensor, driver side Side airbag crash sensor, front passenger side Rear side airbag crash sensor, driver side Rear side airbag crash sensor, passenger side Front airbag crash sensor, driver side Front airbag crash sensor, front passenger side Belt force limiter, driver side Belt force limiter, front passenger side Seat position sensor, driver side Seat position sensor, front passenger side Pedestrian protection trigger Pedestrian protection trigger Pedestrian protection crash sensor, centre Driver side crash sensor for pedestrian protection Passenger side crash sensor for pedestrian protection Centre crash sensor for X/Y axis J234 J285 J533 J706 J854 J855 Airbag control unit Control unit in dash panel insert Data bus diagnostic interface (gateway) Seat occupancy recognition control unit Front left seat belt tensioner control unit Front right seat belt tensioner control unit K19 Seat belt reminder warning lamp K75 Airbag warning lamp K145 Front pass airbag OFF warning lamp (ON and OFF status of the front passenger airbag is indicated) N95 Driver side airbag igniter N131 Front pass side airbag igniter N132 Front pass side airbag igniter N153 Seat belt tensioner igniter 1, driver side N154 Seat belt tensioner igniter 1, front passenger side N196 Rear seat belt tensioner igniter, driver side N197 Rear seat belt tensioner igniter, front passenger side N199 Side airbag igniter, driver side N200 Side airbag igniter, front passenger side N201 Rear side airbag igniter, driver side N202 Rear side airbag igniter, passenger side N251 Head airbag igniter, driver side N252 Head airbag igniter, front passenger side N253 Battery isolation igniter N297 Seat belt tensioner igniter 2, driver side (lap belt tensioner) N298 Seat belt tensioner igniter 2, passenger side (lap belt tensioner) N490 Driver airbag relief valve igniter N491 Front pass airbag relief valve igniter N668 Driver side seat belt tensioner igniter, 3rd seat row N669 Front pass side seat belt tensioner igniter, 3rd seat row T16 16-pin connector, diagnostic port < Back Forwards > Ξ Contents Centre crash sensor for X/Y axis G858 Coordinates The centre crash sensor for X/Y axis G858 is an acceleration sensor A combination sensor, the centre crash sensor for X/Y axis, measures both vehicle acceleration and deceleration in the Y and Y directions The centre crash sensor for X/Y axis is used to validate the plausibility of defined crash situations in the longitudinal (X) and transverse directions (Y) Y X 637_010 Installation location In the Audi Q7, the centre crash sensor for X/Y axis G858 is located on the centre tunnel rear in proximity to the rear cross member for the driver's seat Centre crash sensor for X/Y axis G858 637_011 Airbag control unit J234 Sensors and data bus interface The airbag control unit J234 in the Audi Q7 has undergonme extensive modification The sensors which measure acceleration in the X and Y directions and yaw rate about the vehicle's Z axis (inertial sensors) are now positioned directly on the airbag control unit J234 To enable the ESC signals to be transmitted on the data bus with guaranteed minimum reaction time of about ms, the control unit was rerouted from the powertrain CAN bus to the FlexRay bus In functional terms, therefore, the airbag control unit J234 records body movement and provides this data via the FlexRay bus to ABS control unit J104, among others The ABS control unit J104 is also connected to the FlexRay bus The ABS control unit processes the data it receives from the airbag control unit and takes the appropriate action, e.g stabilision of vehicle by corrective braking (ESC control) 637_050 Airbag control unit J234 < Back Forwards > Ξ Contents Measurement of longitudinal vehicle movement in X, Y and Z directions The sensors for the measurement of longitudinal vehicle movement in X, Y and Z directions work on the "seismic mass" principle Coordinates Z Y X 637_013 Design of the sensor A movably mounted mass (seismic mass) is integrated in the sensor at a defined distance to a stationary capacitor plate acting as an electrode The seismic mass also has electrodes, which combine with the stationary electrodes to form a capacitor An acceleration force acting on the sensor changes the position of the seismic mass relative to the stationary capacitor plate due to inertia This, in turn, changes the physical magnitude of the capacitance, which is processed digitally and evaluated accordingly Rest position Movement Direction of measurement Spring element Capacitor plate (movably mounted) Capacitor plate (stationary) Seismic mass Housing 637_014 637_015 < Back Forwards > Ξ Contents Measurement of vehicle rotation about the X and Z axes Coordinates The sensors for the measurement of vehicle rotation about the X and Z axes work on the "Coriolis force" principle Z X 637_088 The Coriolis force acts on all bodies that move within a rotating reference system The effect of the Coriolis force is demonstrated in the example given here A ball is rolled on a disc When the disc is stationary the ball rolls straight across it 637_016a When the disc rotates while the ball is rolling on the platform, however, the ball is deflected in the direction of motion of the disc The degree of deflection depends on the rotational speed of the disc 637_016b Put in simple terms, therefore, the sensor consists of a micromechanical body which is permanently subjected to oscillation excitation When the vehicle turns, the direction of movement of the oscillating body changes These deflections relative to the direction of movement (changes in movement) are processed digitially and evaluated accordingly To measure rotation about the X and Z axes, a rollover sensor (for rollover detection) and an inertial sensor (for ESC signal indicating yaw rate about Z) are arranged at a 90° offset relative to each other in the airbag control unit J234 Airbag control unit J234 637_012 10 < Back Forwards > Network system The information electronics control unit J794 is connected to the data bus diagnostic interface J533 via the infotainment CAN bus in all infotainment versions The infotainment CAN bus is a highspeed bus with a max data transfer rate of 500 kbit/s Infotainment topology The following control units may also be connected to the infotainment CAN depending on trim level: • Control unit in dash panel insert J285 • Control unit for windscreen projection (head-up display) J898 • Selector lever sensors control unit J587 Driver side volume control E67 The MMI display J685 and the operating unit E380 are connected to the information electronics control unit J794 via the Modular Infotainment Platform (MIB) CAN bus This bus is also a highspeed bus with 500 kbit/s Multimedia system operating unit E380 If the vehicle is fitted with an additional infotainment control unit (e.g Bang & Olufsen sound system), the infotainment system also comes equipped with a MOST bus The MOST bus is a MOST 150 with a data transfer rate of 150 Mbit/s The information electronics control unit J794 acts both as the system master and diagnostics master for the MOST bus MMI display J685 Due to the combination of infotainment CAN bus and MOST bus, an open circuit in the MOST bus will not result in total failure of the MMI This means that all functions executed directly in J794 are still available However, audio output via an external amplifier would no longer be possible Image transfer All image information which appears on the MMI display J685 is sent from the information electronics control unit 1 J794 via LVDS lines The displays for the control unit in dash panel insert J285 are transferred from the information electronics control unit 1 J794 as follows: • LVDS: Only large navigation map and detailed intersection maps • MOST bus: All other content, such as liste menus or covers Wire colours: Modular Infotainment Platform (MIB) CAN LIN bus Extended CAN Infotainment CAN bus MOST bus LVDS The image information from the DVD autochanger is transmitted in the form of mpeg4 files via the MOST bus to J794 J794 then decodes this data Image information from the surround view camera control unit J928 (TopView) is transmitted to the information electronics control unit J794 via LVDS lines 58 "OR" configuration Ξ Contents < Back TV tuner R78 Forwards > Ξ Contents Digital sound package control unit J525 DVD changer R161 Information electronics control unit J794 Selector lever sensors control unit J587 Data bus diagnostic interface J533 Control unit in instrument panel J285 Control unit for windscreen projection (head-up display) J898 Reversing camera system control unit J772 or Surround view camera control unit J928 637_099 59 < Back Forwards > Ξ Contents Sound systems Audi has for many years been achieving milestones in the field of sound quality The Audi Q7 marks the premiere in 2015 of Audi's latest technology - 3D sound The 3D sound is an integral part of both the Bang & Olufsen Advanced Sound System an Bose Surround Sound The heart of the system is a complex processing alogorithm which computes the control signals for each speaker quickly and precisely No special music format is required to experience 3D sound The 3D effect can be achieved regardless of format The various sound systems available for the Audi Q7 are listed below Basic sound system (8RM) The Basic sound system has 8 speakers It has a 4-channel amplifier with a total power output of 100 watts Basic Sound Treble speaker, front right R22 Bass speaker, front right R23 Treble speaker, front left R20 Bass speaker, front left R21 Treble speaker, rear right R16 Treble speaker, rear left R14 Bass speaker, rear right R17 Bass speaker, rear left R15 637_080 60 < Back Forwards > Ξ Contents Audi sound system (9VD) The Audi sound system has 10 speakers The accompanying 6-channel amplifier has a power output of 195 watts Standard Sound Treble speaker, front left R20 Centre speaker R208 Bass speaker, front left R21 Treble speaker, rear right R16 Treble speaker, front right R22 Treble speaker, rear left R14 Bass speaker, front right R23 Bass speaker, rear left R15 Bass speaker, rear right R17 Subwoofer R211 637_081 61 < Back Forwards > Ξ Contents Bose Sound System with 3D sound (9VS) The BOSE Sound System with 3D sound has 19 speakers Four of these speakers are installed high up in the vehicle and produce the third dimension of the 3D sound The 15-channel amplifier has a power output of 558 watts Treble speaker 2, front right R221 Premium Sound Treble speaker, front right R22 Front right speaker R3 Centre speaker R208 Centre speaker R219 Front left speaker R2 Treble speaker, front left R20 62 Bass speaker, rear left R15 Bass speaker, front left R21 Treble speaker 2, front left R220 Mid-range speaker, front left R103 Treble speaker, rear left R14 < Back Mid-range speaker, front right R104 Forwards > Ξ Contents Bass speaker, front right R23 Treble speaker, rear right R16 Bass speaker, rear right R17 Right effects speaker R210 Effect speaker, left R209 Subwoofer R211 Digital sound package control unit J525 637_082 63 < Back Forwards > Ξ Contents Bang & Olufsen Advanced Sound System with 3D sound (8RF) The Bang & Olufsen Advanced Sound System with 3D sound has 23 speakers Six of these are positioned higher up in the vehicle They transmit the sound components which provide the spatial height needed for 3D sound Newly developed speakers and a new 1920 watt amplifier guarantee musical enjoyment on the highest level Treble speaker 2, front right R221 Bang & Olufsen Advanced Sound system Mid-range speaker 2, front right R277 Treble speaker, front right R22 Centre speaker R208 Centre speaker R219 Treble speaker, front left R20 Treble speaker 2, front left R220 Mid-range speaker 2, front left R276 64 Mid-range speaker, front left R103 Bass speaker, rear left R15 Bass speaker, front left R21 Treble speaker, rear left R14 < Back Mid-range speaker, front right R104 Forwards > Ξ Contents Bass speaker, front right R23 Treble speaker, rear right R16 Mid-range speaker, rear right R106 Bass speaker, rear right R17 Treble speaker 2, rear right R218 Right effects speaker R210 Effect speaker, left R209 Subwoofer R211 Digital sound package control unit J525 Mid-range speaker, rear left R105 Treble speaker 2, rear left R217 637_083 65 < Back Forwards > Ξ Contents Aerials overview Aerials are installed on the Audi Q7 in the following locations: • • • • • Roof Rear spoiler Side window, rear right Rear window Rear bumper The amplifier aerial connections to the information electronics control unit J794 are dependent on the vehicle specification Only connections which are actually needed are installed Aerial amplifier R111 AM aerial TV aerial amplifier R82 Roof aerial R216 (NAR version) Navigation SDARS Telephone 637_089 TV2 aerial FM2 aerial 66 FM2 connection TV2 connection < Back Forwards > Ξ Contents Roof aerial Basically, there are 2 different roof aerials for the Audi Q7 A mockup is used for trim versions without a roof aerial • Europe and rest of world • North America FM1/TV1 connection TV3 connection Aerial amplifier R24 Roof aerial R216 (ECE version) Navigation Telephone Auxiliary heater 637_090 Side window, rear right DAB connection Aerial amplifier R112 DAB aerial AM connection TV3 aerial FM1/TV1 aerial 637_095 637_096 67 < Back Forwards > Ξ Contents Telephone aerials The number of available telephone aerials on the Audi Q7 depends on the trim level Depending on trim level, the Audi Q7 has a maximum of additional aerials in the bumper Depending on market and trim, the aerials have different functions Basically, a distinction can be made as to the function of the aerial based on the information which is transmitted: • Language • Data (reception and/or transmission of data) Note that LTE aerial only receives data and does not transmit The current aerial configurations for various markets are shown below in a schematic form All market specifications which include Audi phone box without Audi connect Audi phone box UMTS/GSM Voice/data All market specifications which include Audi phone box with Audi connect Mobile phone amplifier R86 637_091 European specifications which include Audi phone box with Audi connect Information electronics control unit J794 Audi phone box LTE aerial LTE/UMTS/GSM Voice/data UMTS/GSM Voice/data Mobile phone amplifier R86 LTE aerial LTE/data 637_094 1) Not available in North America 68 Information electronics control unit J794 LTE aerial LTE/UMTS/GSM Voice1)/data LTE aerial LTE/data 637_092 < Back Forwards > Ξ Contents Appendix Test your knowledge To which data bus system is the airbag control unit J234 connected? □ □ □ □ a) To the data bus system of the powertrain CAN b) To the data bus system of the Extended CAN c) To the data bus system of the chassis CAN d) To the FlexRay data bus system Where are the front left seat belt tensioner control unit J854 and the front right seat belt tensioner control unit J855 connected? □ □ □ □ a) To the powertrain CAN bus b) To the extended CAN bus c) To the airbag control unit J234 via a sub-bus system c) To the airbag control unit J234 via a LIN bus system How many external crash sensors are used for collision detection excluding the crash sensors for pedestrian protection? □ □ □ □ a) external crash sensors are fitted b) external crash sensors are fitted c) external crash sensors are fitted d) external crash sensors are fitted The airbag control unit has an additional internal sensor which Audi did not previously install in the airbag control unit What is this sensor for? □ □ □ □ a) It is used for detecting low-speed accidents b) It is used for detecting high-speed accidents c) It is used for detecting rear end collisions d) It is used to measure rotation about the vertical axis What are the new functions of Audi pre sense front? □ □ □ □ a) Evasion assist and cyclist assist b) RECAS (Rear End Collision Avoidance System) warning and turn assist c) Turn assist and evasion assist b) RECAS (Rear End Collision Avoidance System) warning and cyclist assist What is the maximum possible number of pre sense functions Audi Q7 and what are they? □ □ □ □ a) There is a maximum of 2 Audi pre sense functions These are Audi pre sense basic and pre sense rear b) There is a maximum of 2 Audi pre sense functions These are Audi pre sense basic and Audi pre sense front c) There is a maximum of 3 Audi pre sense functions These are Audi pre sense basic, pre sense front and pre sense rear d) There is a maximum of 4 Audi pre sense functions These are Audi pre sense basic, pre sense front and pre sense rear and pre sense city 69 < Back Forwards > Ξ Contents Which infotainment systems are used on the Audi Q7? □ □ □ □ a) Radio Media Center (RMC) and Modular Infotainment Platform (MIB) High b) Radio Media Center (RMC) and MMI 3G plus c) Second-generation Modular Infotainment Platform including MIB Entry plus, MIB Standard and MIB High d) Second-generation Modular Infotainment Platform including MIB Standard and MIB High What are the points to note when detaching the MMI display of the Audi Q7 from the display mechanism? □ □ □ □ a) The battery must be disconnected beforehand to ensure that the MMI display extend in an uncontrolled fashion b) The component protection system must be deactivated beforehand as otherwise the MMI display cannot be separated from the display mechanism c) The MMI displays must be moved into the service position beforehand d) Thare are no points to note From which material is the surface of MMI touch made? □ □ □ □ a) Plastic b) Plexiglass c) Real glass d) Ceramic 10 How many connections are there in the Audi phone box of the Audi Q7? □ □ □ □ a) USB port and AUX IN jack if the Audi music interface is installed b) USB ports and AUX IN jack if the Audi music interface is installed c) USB ports and AUX IN jack if the Audi music interface is not installed d) Only USB port if the Audi music interface is not installed 11 How many speakers are there in the Audi Q7 equipped with the Bang & Olufsen Advanced Sound System? □ □ □ □ a) 15 b) 19 c) 23 d) 24 12 Where is the digital sound package control unit J525 installed in the Audi sound system? □ □ □ □ a) In the luggage compartment on the left b) In the luggage compartment on the right c) In the luggage compartment floor d) There is no separate digital sound package control unit J525 The audio amplifier is integrated in the information electronics control unit J794 Test solutions: d; c; c; d, c; c; d; d; c; c; 10 b; 11 c; 12 d 70 < Back Forwards > Ξ Contents Self study programmes For more information about the technology of the Audi Q7, please refer to the following self study programmes SSP 618 Audi Modular Infotainment Platform (MIB) SSP 625 Audi A3 saloon Order number: A13.5S01.09.20 Order number: A13.5S01.01.20 • Function of lap belt tensioner SSP 632 Audi Q7 (type 4M) SSP 633 Audi Q7 (type 4M) Chassis Order number: A15.5S01.16.20 Order number: A15.5S01.18.20 SSP 634 Audi Q7 (type 4M) Onboard power supply and networking SSP 635 Audi Q7 (type 4M) Driver assistance systems Order number: A15.5S01.19.20 Order number: A15.5S01.20.20 SSP 636 Audi Q7 (type 4M) Trailer assist Order number: A15.5S01.21.20 71 All rights reserved Technical specifications are subject to change Copyright AUDI AG I/VK-35 service.training@audi.de AUDI AG D-85045 Ingolstadt Technical status 02/15 Printed in Germany A15.5S01.22.20 637 Audi Vorsprung durch Technik ... Contents Settings and displays Displays in the instrument cluster Two different instrument clusters are fitted in the Audi? ?Q7 - the Audi? ?virtual cockpit and an analog instrument cluster (with and without... occupant protection system in the Audi Q7 Components Front pass airbag Front side airbag Depending on country version and trim level, the passive occupant and pedestrian protection system in the Audi. .. Audi? ?pre sense city and pre sense front can be set and switched off in the MMI The following setting options are available: off The audible and visual early warning is off early The audible and visual