382 Vorsprung durch Technik www.audi.de Service Training Audi TT Coupé ‘07 Electrical and Infotainment Systems Self-Study Programme 382 All rights reserved. Technical specifications 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: 05/06 Printed in Germany A06.5S00.27.
Self-study programmes on the TT Coupé Innovations in the electronics, electrical and infotainment systems in the Audi TT Coupé ‘07 SSP 380 Audi TT Coupé ‘07 – – – – – – – Self-Study Programme 382 describes the new features of the convenience electronics in the Audi TT Coupé ‘07. The proven electronic technology of the Audi A3 ‘04 has been adopted for the TT Coupé. The most striking new feature is the automatic extending rear spoiler activated by the convenience system central control unit.
Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Topology and networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Installation overview - control units. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Fuses and relays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Electrical system and convenience electronics . .
Overview Topology and networking Engine control unit J623 Direct shift gearbox mechatronics J743 Selector lever E313 ABS control unit J104 ECD control unit (electronically controlled damping) J250 Airbag control unit J234 Headlight range control, control unit J431 Four-wheel drive control unit J492 Tyre pressure monitor control unit 2 J793* Power steering control unit J500 Steering angle sender G85 Steering column electronics control unit J527 Multi-function steering wheel control unit J453 4
Diagnostic port Control unit with display in dash panel insert J285 Telephone transmitter and receiver unit R36 Data bus diagnostic interface J533 Driver door control unit J386 Digital satellite radio tuner R190 Front passenger door control unit J387 Digital sound package control unit J525 Parking aid control unit J446 TV tuner R78 Convertible top operation control unit J256 Radio R Auxiliary air heater control unit J604 Control unit with display for radio and navigation J503 Climatronic contro
Overview Installation overview - control units 6
382_067 Legend 1 2 3 4 5 6 7 8 9 10 11 12 13 Garage door operation control unit J530 Direct shift gearbox mechatronics J743 Power steering control unit J500 Engine control unit J623 ABS control unit J104 Wiper motor control unit J400 Alarm horn H12 Onboard power supply control unit J519 Headlight range control, control unit J431 Data bus diagnostic interface J533 CD changer R41 Tyre pressure monitor control unit 2 J793 / Tyre pressure monitor control unit J502* Control unit with display in dash panel inse
Overview Fuses and relays The fuse and relay carriers In the Audi TT Coupé ´07 the fuse and relay carriers are located in the following positions: Auxiliary relay carrier below the boot trim – Electronics box in engine compartment, front left – Fuse carrier, dash panel left hand side on A-post – Onboard power supply control unit and auxiliary relay carrier below dash panel on left – Main fuse box directly on the battery – Auxiliary relay carrier in the boot on the right, below the boot trim For details
Main fuse box Fuse carrier Onboard power supply control unit 382_030 9
Electrical system and convenience electronics Data bus diagnostic interface (gateway) J533 Tasks The gateway represents the interface between the various bus systems, i.e. it facilitates communication between the control units of various bus systems. Every Audi TT Coupé ´07 has a powertrain CAN bus, dash panel insert CAN, diagnostics CAN bus, convenience CAN bus and infotainment CAN bus.
Function diagram Wake-up line The function diagram is identical to that of data bus diagnostic interface as featured on the Audi A3 ´04. The dash panel insert J285 and the data bus diagnostic interface J533 can wake each other from idle via the bidirectional wake-up line. The dash panel insert CAN between the dash panel insert and the data bus diagnostic interface is a highspeed CAN and, unlike the convenience CAN bus, is not wake-up capable via the CAN line.
Electrical system and convenience electronics Master function for terminal 15 across the powertrain CAN-bus As in the Audi A3 ´04, information transmitted across the powertrain CAN bus includes a run-on function. This allows the various control units to transmit information relevant to safety even when the ignition is off. With regard to terminal 15 run-on, there are three different groups of powertrain CAN bus control units: Active and passive control units as well as control units without run-on.
Control unit with display in dash panel insert J285 382_019 Variants of the control unit with display in dash panel insert J285 Lowline variant The Lowline variant is the basic version. The basic version has, in lieu of a centre display, dedicated warning lamps which indicate warnings and fault conditions in the system to the driver. The low washer fluid warning lamp, previously available only in the Highline variant, has been added.
Electrical system and convenience electronics Immobiliser IV The immobiliser is integrated in dash panel insert J285. The immobiliser data is stored in the FAZIT database of AUDI AG. The immobiliser IV can be adapted using the Audi diagnostic testers in the "Guided Fault Finding" and in the "Guided Functions" modes. The diagnostic tester must be online in order to make a connection to the FAZIT database. The dash panel insert is addressed via the address word 17 and the immobiliser via the address word 25.
Display of cruise control system speed setting When the cruise control system is active, the current speed setting is indicated on the centre display of the dash panel insert in the Audi TT Coupé ´07. If one of the two onboard computer levels is shown on the centre display, the set speed is indicated continuously. The speed is normally displayed in the position where the ambient temperature is indicated.
Electrical system and convenience electronics The extended convenience menu - menu option "SET" It is possible to go from onboard computer levels 1 and 2 and the digital speedometer to the menu shown by pressing the Reset key on the onboard computer: DISPLAY TYPE >SET QUERY MENU OFF In the menu option "SET" the driver can change the settings of the control unit with display in dash panel insert or onboard computer, and can also make settings in different control units.
The extended convenience menu - menu option "QUERY" All querying options are shown below in the associated menu structure: QUERY Service Service in: x kilometres y days DISPLAY TYPE SET >QUERY MENU OFF Vehicle ID VIN Engine oil temperature HELP 382_009 Engine oil temperature: x degrees The extended convenience menu - menu option "MENU OFF" To return to the display of onboard computer variables, select the menu option "MENU OFF", press the Reset key on the onboard computer and return to onboard comput
Electrical system and convenience electronics Onboard power supply control unit J519 Function The onboard power supply control unit in the Audi TT Coupé ´07 basically has the same main functions as the control unit in the Audi A3 ´04.
Battery The battery is installed in the boot on the right and can be accessed by removing the cargo-area floor. The Audi TT Coupé ´07 does not have a slave start connector because the battery is directly accessible. Therefore, battery charging and auxiliary power supply are via the battery terminals. For trickle charging of showroom vehicles, a suitable charger, e.g. VAS 5059A, VAS 5900 or VAS 5903 must be connected in order to conserve battery power.
Electrical system and convenience electronics Front outside light Headlight Generally, in the case of the Audi TT Coupé ´07, a distinction is made between three variants: ● Halogen headlight ● Bi-xenon headlight ● Bi-xenon headlight with AFS Configuration of the front lamps in the halogen headlight variant Side reflector Low beam headlight Main-beam headlight Side light / sidemarking light (SAE*) 382_022 Indicator The following bulbs are used in the halogen headlight variant: 12 V bulb Rated pow
Configuration of the front lights in the bi-xenon headlight and bi-xenon headlight with AFS variants Side reflector Low-beam headlight / main-beam headlight Daytime driving lights Side light / sidemarking light (SAE) Indicator 382_023 The following bulbs are used in the bi-xenon headlight or bi-xenon with AFS variant: 12 V bulb Type Rated power Side light H6W 6 watts Low beam headlight D1S 35 watts Main-beam headlight D1S 35 watts Indicator H21W 21 watts Sidemarking lights (SAE) WY5W
Electrical system and convenience electronics Fog light Mounting bracket Fastening bolts Fog light 382_027 The fog lights on the Audi TT Coupé ´07 are located in the bumper. An H11 bulb with a rating of 55 watts is used as a lighting element.The bulb can be replaced with the vehicle tool kit. For instructions for removing the fog lights, refer to the Audi TT Coupé ´07 Owner's Manual. Sidelight Sidelight The sidelight uses LED technology and is housed in the door mirror housing.
Rear outside light The rear lights on the Audi TT Coupé ´07 are available in two variants: – ECE variant for the European market – SAE variant for the North American market The differences between the two rear lights relate to the indicator and sidemarker lights: – ECE variant: reflector in the area of the indicator in yellow-brown and rear lights without sidemarker light – SAE variant: reflector in the area of indicators in red and rear lights with sidemarker light Outer taillight and brake light Reflect
Electrical system and convenience electronics Third brake light Third brake light The third brake light is located in the bootlid under the rear spoiler. It uses LED technology and can only be replaced as a complete assembly. Replacement of the third brake light should be referred to an authorised workshop. Refer to the current Workshop Manual. 382_039 Rear fog light Rear fog light The rear fog light in the Audi TT Coupé ´07 is fitted at the centre of the rear bumper.
Convenience system central control unit J393 Tasks of the convenience system central control unit J393 The convenience system central control unit J393 of the Audi TT Coupé ’07 is based on the convenience system control unit in the Audi A3 ’04. Its range of functions has been extended to include an "electrically adjustable rear spoiler" function.
Electrical system and convenience electronics Electrically adjustable rear spoiler Introduction The Audi TT Coupé ´07 has, as standard, an "electrically adjustable rear spoiler" function. The extended rear spoiler provides additional driving stability when driving at high speeds.
Function and operation Automatic mode The rear spoiler is extended automatically when a speed of 120 kph is exceeded. When the vehicle speed drops below the 80 kph speed threshold again, the rear spoiler is retracted automatically. 382_007 Manual mode The rear spoiler can be extended up to a speed of 120 kph by flicking the adjustable rear spoiler switch E127.
Electrical system and convenience electronics System behaviour in case of malfunction A detected system malfunction is indicated to the driver by activating a rear spoiler warning lamp in the rev counter. If no fault has occurred, this indicator lamp comes on for 3 seconds after turning on the ignition and goes out again.
Integration of the function into the vehicle The "electrically adjustable rear spoiler" function is implemented in the convenience system central control unit J393. The control unit activates the adjustable rear spoiler motor V52 and reads in the two limit switches F135 and F136, which are used to identify both limit positions of the rear spoiler.
Electrical system and convenience electronics Design of the "electrically adjustable rear spoiler" The "electrically adjustable rear spoiler" consists of two components which can be ordered separately: ● the rear spoiler module ● the spoiler wing A DC motor mounted on the rear spoiler module transmits a rotary movement to the input shaft vi a gear and special joint (four-way joint). The shaft converts this movement to a lifting movement by means of left and right reversing mechanisms.
Diagnosis The scope of diagnosis in the convenience system central control unit J393 has been extended to include the new function.Address word 46 is assigned to the convenience system central control unit in the diagnostic tester. There is a new data block for the "electrically adjustable rear spoiler" function.
Electrical system and convenience electronics New features of the antitheft alarm system In the Audi TT Coupé ´07 the interior monitor sender/receiver module 1 G303 and the antitheft/tilt system control unit J529 are combined as a unit the antitheft alarm system sensor G578. This means that the convenience system central control unit J393 in combination with the optional "antitheft alarm system" two LIN users in the Audi TT Coupé ´07.
Parking aid control unit J446 Introduction The Audi TT Coupé ´07 is equipped for the first time with an acoustic parking system with ultrasonic sensors as featured previously in other Audi models. A 4-channel rear acoustic parking system is available as optional equipment. The term "4-channel rear acoustic parking system" means that 4 acoustic parking sensors which monitor the area behind the vehicle are integrated in the rear bumper cover.
Electrical system and convenience electronics Acoustic parking system adjustment options In the Audi TT Coupé ´07, the volume and pitch (frequency) of the acoustic parking system can, for the first time, be adjusted via the "Extended convenience menu" in the control unit with display in dash panel insert. Alternatively, these settings can be made at the service centre using the diagnostic tester. There are appropriate adaption channels in the acoustic parking system control unit for this purpose.
System overview The following lines lead to the acoustic parking system control unit: ● 2 lines from the convenience CAN bus ● 3 lines to the power supply ● 2 lines for the rear parking aid warning buzzer H15 ● 3 lines to each of the 4 acoustic parking sensors (2 lines for power supply and one digital signal line for data exchange) Terminal 31 Terminal 15 Terminal 30 Convenience CAN bus Low Convenience CAN bus High Rear parking aid warning buzzer H15 Acoustic parking system control unit J446
Infotainment Chorus, concert and symphony radios in 2-DIN housing 382_058 A new generation of radios is used in the Audi TT Coupé ‘07. The main new features are an FM tuner with phase diversity as well as MP3 compatible CD drives in the concert and symphony radios.
Table cont'd Telephone Mute function for handsfree telephone: If the mobile phone adapter is factory-fitted, muting is via the infotainment CAN bus.A direct wiring plug contact is provided for retrofit solutions. LF input for handsfree telephone: when the radio is switched on, the vehicle loudspeakers are used as loudspeakers for the handsfree telephone. The handsfree telephone cannot be operated via the radio.
Infotainment concert radio The concert radio has all the features of the chorus radio. The single-CD drive is also MP3 compatible, i.e. MP3 CDs can be played. The diagram shows the arrangement of the folders on the MP3 CD in the radio. Folders which do not contain MP3 files are not shown on the radio display. When selecting a folder, the previous folder, the folder currently selected and the next folder are shown on the display. The first 16 letters of the CD folder name are shown on the radio display.
symphony radio The symphony radio has all the features of the concert radio. The symphony radio is additionally equipped with an internal MP3 compatible 6-disc CD changer. In addition, the radio has the ability to record Traffic information Messages (TIM key = Traffic Information Message). Traffic Information Messages stored by the radio can be played back by briefly pressing the TIM key.
Infotainment Aerial system Radios with phase diversity have two aerial inputs which can be diagnosed individually. The radios differ in this respect from the previous radios or the current radio navigation systems. Radios with phase diversity do not have a separate diversity switch.The Diversity function is integrated in the radio. Only one aerial is connected to each of the two radio aerial inputs, thus simplifying diagnosis. Each aerial signal can be read out in a separate data block.
MP3 basics - ID3 tag The ID3 tag is a field containing additional information which can be attached to MP3 audio files. ID3 stands for "Identify an MP3". MP3 files can, but need not necessarily, contain ID3 tags. Left Outside alone Summary Feedback Options Title name Lyrics Left Outside alone (4:17) Anastacia Anastacia Artist Album Type: Size: Bitrate: Sampling rate: Modified on: Count: Last played: MPEG audio file 5.9 MB 187 Kbits/s (VBR) 44,100 kHz 25.04.
Infotainment Audi Navigation (BNS 5.0) 382_048 When model year 2007 is launched, the BNS 5.0 navigation system in the Audi A3, A4, TT will replace the current BNS 4.1 navigation system. The system combines the concept of the Navigation System Plus (RNS-E) with the display of the MMI basic system. Unlike the Navigation plus system, the BNS 5.0 navigation system features CD navigation and a monochrome screen but no SD/MMC card reader.
Navigation – CD navigation with voice output and route display on the dash panel insert. In total, 10 different navigation CDs are available for Europe. The navigation CDs of the predecessor system cannot be used. All CDs contain all major routes in Europe (Major Routes of Europe). The map data for the navigation CD is supplied by Teleatlas. – Dynamic navigation with TMC – The navigation CD can be removed after the route has been generated.
Infotainment Telephone – Operation of the optional factory-fitted mobile phone adapter with navigation system speller – Mute function for handsfree telephone: If the mobile phone adapter is factory-fitted, muting is via the infotainment CAN bus. A direct wiring plug contact is provided for retrofit solutions. Retrofit solutions cannot be operated with the navigation system.
Simultaneous navigation and CD playback With the BNS 5.0 navigation system, it is possible to navigate and listen to CDs simultaneously. For this purpose, the system is equipped with an internal memory into which the required map data can be loaded after entering the navigation destination. Load navigation CD After entering the route, the system first computes the distance to the route destination. Enter navigation route The map features of the route are then copied to a memory integrated in the system.
Infotainment Behaviour of the internal map memory while driving Route with corridor Destination radius Location radius 382_053 After entering the route destination a map section is copied to an internal memory. The map section consists of a location radius, a destination radius as well as a slightly narrower route corridor in between. When the vehicle is driving towards the destination, the location of the vehicle changes.
Sound systems Basic sound (standard equipment with chorus radio) The Audi TT Coupé ’07 is equipped as standard with a two-way loudspeaker system. The treble loudspeakers are installed in the dash panel, while the bass loudspeakers are installed the front doors. This variant is only available in combination with the standard chorus radio. The 2 x 20 watt amplifier is also integrated in the chorus radio. The loudspeakers are diagnosed via the radio, i.e. via address word 56.
Infotainment Standard sound system This sound system has an auxiliary 5-channel DSP amplifier, the digital sound package control unit J525 which is diagnosable via CAN. The amplifier supplies the front two-way systems, the rear two-way systems and the central loudspeakers integrated in the dash panel. The standard sound system is standard equipment of the concert and symphony radios as well as the navigation systems with MMI operating logic.
BOSE Surround Sound In the Audi TT Coupé ’07, a BOSE surround sound system is optional in combination with the concert and symphony radios as well as Audi navigation systems. The sound system features BOSE 6000 amplifier technology with 8-channel DSP amplifier and Audio Pilot which set new standards for this automobile class. The amplifier drives a total of 12 loudspeakers. It was adapted specially for use in the TT Coupé.
Infotainment Apple iPod adaptor The iPod by Apple is a very popular and versatile MP3 player. Various versions of the Apple iPod are currently available on the market. The iPod has up to 60 GB (gigabytes) of memory. This is enough to store about 15,000 songs on the device. Music Playlists Artists Albums Titles Clock The Apple iPod adaptor can be ordered with the new vehicle or purchased as an OEM accessory.
The Apple iPod and the associated PC software (iTunes) have a function for programming playlists. A playlist can have a freely selectable name and contain any number of songs in a fixed sequence. This feature has been utilised. The iPod adaptor loads the first 5 playlists in alphabetical order. The corresponding CD number is assigned to each playlist. The first alphabetical playlist appears on the radio as CD 1, the second playlist as CD 2, and so on.
Infotainment Aerials Various FM aerial systems are installed in the vehicle to serve the various radio tuner systems. Radios with phase diversity for FM reception (= chorus, concert or symphony radios) have a different FM aerial system to radios with switched diversity (= Navigation plus (RNS-E) or Navigation (BNS 5.0)) In the Audi TT Coupé ‘07, most aerials are integrated in the rear window.
Aerial system with switched diversity R52 Telephone Navigation SDARS SAT SDARS Terr.
Notes 54
Self-study programmes on the TT Coupé Innovations in the electronics, electrical and infotainment systems in the Audi TT Coupé ‘07 SSP 380 Audi TT Coupé ‘07 – – – – – – – Self-Study Programme 382 describes the new features of the convenience electronics in the Audi TT Coupé ‘07. The proven electronic technology of the Audi A3 ‘04 has been adopted for the TT Coupé. The most striking new feature is the automatic extending rear spoiler activated by the convenience system central control unit.
382 Vorsprung durch Technik www.audi.de Service Training Audi TT Coupé ‘07 Electrical and Infotainment Systems Self-Study Programme 382 All rights reserved. Technical specifications 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: 05/06 Printed in Germany A06.5S00.27.
