Audi MIB Series Manuel

Service Training

Audi

Modular Infotainment System (MIB)

Self Study Programme 994618AG Audi

The material in this Self Study Program (SSP) may contain technical information or reference vehicle systems and configurations which are not available in the Canadian market.Please ensure you reference ElsaPro for the most current technical information and repair procedures.

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Modular Infotainment System (MIB*)

The Modular Infotainment System is another milestone achieved by the Volkswagen Group and in future will replace the information and

entertainments systems used up to now.

The control unit architecture allows the hardware to be easily and economically updated so that it always incorporates the latest advances.

An important component is the fast graphics processor made by market-leader Nvidia, with whom Audi enjoys a very successful business

relationship. The latest Nvidia processors will continue to be used in Audi cars in the future.

The new platform means that it will be possible to use the same central processing units (electronic information systems control unit 1

J794) across the entire Group. So in future it will be possible to run brand-speciﬁc variants on four standardised hardware platforms. For

the purposes of dierentiation, features such as the user interfaces and controls will be individually adapted for each brand. Customers will

thus be able to identify distinctive dierences between the systems. And the system used in an Audi will always be recognisable as a

genuine Audi MMI.

The Modular Infotainment System (MIB) was ﬁrst used on the Audi A3 ’13.

In all Audi oers three MIB conﬁguration levels:

• Entry MIB

• Standard MIB

• High-spec MIB

One Group brand is responsible for each of those conﬁguration levels. Audi is responsible for developing the High-spec MIB, Volkswagen for

the Standard MIB and Skoda for the Entry MIB.

Contents

Note

Reference

• The self-study programme provides information on the fundamentals of the design and function of new

vehicle models, new automotive components or new technologies.

The self-study programme is not a repair manual! Any ﬁgures quoted merely serve the purpose of facili-

tating understanding and relate to the software version valid at the time the SSP was produced.

For details of servicing and repair operations, it is imperative that you refer to the latest technical literature.

* Terms written in italics and marked with an asterisk are explained in the Glossary at the end of this self-

study programme.

Introduction __________________________________________________________ 4

Entry MIB _____________________________________________________________ 6

Entry Plus MIB ________________________________________________________ 7

Standard MIB _________________________________________________________ 8

Standard MIB radio version _________________________________________________________________________________________________________________________________ 8

Standard MIB navigation system version _________________________________________________________________________________________________________________ 9

High-spec MIB ______________________________________________________ 12

Navigation system with High-spec MIB _________________________________________________________________________________________________________________ 14

Radio tuner _________________________________________________________ 15

Analogue tuner reception concept _______________________________________________________________________________________________________________________ 15

DAB tuner reception concept _____________________________________________________________________________________________________________________________ 20

Disk drives and storage media ______________________________________ 22

Media playback _____________________________________________________________________________________________________________________________________________ 22

Telephone options __________________________________________________ 26

Bluetooth interface ________________________________________________________________________________________________________________________________________ 26

Universal mobile phone pre-wiring (Audi Phone Box) __________________________________________________________________________________________________ 27

Bluetooth car phone online (Audi connect inc. car phone) ____________________________________________________________________________________________ 28

Audi connect (market-dependent) _______________________________________________________________________________________________________________________ 29

Address book _______________________________________________________________________________________________________________________________________________ 31

MMI display J685 ___________________________________________________ 33

Video transmissions to J794 ____________________________________________________________________________________________________________________________ 34

Control panel _______________________________________________________________________________________________________________________________________________ 36

Networking _________________________________________________________ 38

Optical data bus system MOST150 ______________________________________________________________________________________________________________________ 39

Fault diagnosis______________________________________________________ 40

Overview of PR numbers for MIB _________________________________________________________________________________________________________________________ 41

General overview of MIB on Audi A3 ’13 ________________________________________________________________________________________________________________ 42

Appendix ___________________________________________________________ 44

Glossary* ___________________________________________________________________________________________________________________________________________________ 44

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Note

If the electronic information systems control unit 1 J794 is replaced by an Audi dealer, it is replaced with an identical control

unit oering the same features.

Introduction

Why does Audi use the Modular Infotainment System?

Due to the high pace of development in the ﬁeld of multimedia

applications, keeping up to date with the latest advances is a

growing challenge for car makers. One example is that many

mobile phone manufacturers update their top-of-the-range

products every year while also extending the software functional-

ity. Car owners, in turn, want to be able to connect the latest

mobile phones to the in-car entertainment and communication

systems.

To keep up with the speed at which requirements are changing,

the development cycles for information and entertainment

equipment in the automotive industry have to be made shorter as

well.

To make that achievable, the electronic information systems

control unit 1 J794 has been designed as a modular unit. That

means that in future new designs will only need to be produced

for some control units while other hardware can be retained.

Thus the components that are not subject to such rapid develop-

ment, such as radio tuners or audio ampliﬁers, can remain as they

are.

Put simply, that means that only the computer (MMX board) in

the electronic information systems control unit 1 is upgraded. The

MMX (Multi Media Extension) board itself is equipped with an

Nvidia dual-core processor on the Audi A3 '13. Speciﬁcally, it is

the Tegra T20 unit which has a clock speed of 1.2 GHz.

If the MMX board is upgraded in the future, the changes required

can be compared with replacing the motherboard and graphics

card in a home PC to make it "faster".

The software for the MIB is also modular in design so that in the

future both "old" and "new" software will be used together on a

new control unit. The "old" software might then be the CAN data

protocol, while applications such as the Bluetooth proﬁles are

likely to frequently require the development of "new" software.

Schematic diagram of MMX board

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Audi oers three conﬁguration levels for the Modular Infotain-

ment System:

• Entry MIB

• Standard MIB

• High-spec MIB

With each version of the MIB, the central control unit ﬁtted is the

electronic information systems control unit J794. On the

Audi A3 '13, for example, it is ﬁtted in the glove compartment.

The electronic information systems control unit 1, J794, com-

prises the following control units and functions, depending on

version:

• Control of information and entertainment systems

• System master and diagnostics master for MOST

• Radio tuner

• Digital radio tuner (DAB or SDARS*)

• CD* or DVD* drive

• Audio ampliﬁer (up to 180watts)

• Up to two SD* card readers

• Bluetooth interface (HFP*, A2DP* and, with Bluetooth car

phone, also SAP*)

• Telephone module and SIM* card reader

• Navigation system

• SSD* solid state drive (64 GB)

• Voice control

• WiFi hotspot

Front panel of J794 for Entry MIB

Front panel of J794 for Entry plus MIB

Front panel of J794 for Standard MIB, radio version

Front panel of J794 for Standard MIB,

navigation system version

Front panel of J794 for High-spec MIB

with Bluetooth car phone (SIM card reader)

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The Entry MIB is intended as the entry-level information and

entertainment system.

The Entry MIB is operated by means of control panel E380, which

is ﬁtted in the dashboard and also incorporates the display unit.

No optional features are oered with the Entry MIB.

The Entry MIB oers the following features:

• Radio with phase diversity module for FM* (frequency modula-

tion) and AM (amplitude modulation)

• Single CD drive which supports MP3* and WMA* ﬁles

• Integrated ampliﬁer with 4 x 20 watts max. power

• AUX IN* socket

• Car conﬁguration via Setup button

• All-in-one display and control panel

The E380 control panel ﬁtted in the dashboard features a 3.4-inch

monochrome display. On the Audi A3 '13, the control panel folds

in and out mechanically. When folded away, the media and

volume control buttons remain accessible.

The PR number for the Entry MIB is "i8A".

Entry MIB

FM2 radio signal input

FM1/AM radio signal input

Display and control panel E380 for Entry MIB

Front panel of J794 for Entry MIB

Private CAN High (to E380)

Information/entertainment CAN High

Private CAN Low (to E380) Information/entertainment CAN Low

Rear panel of J794 for Entry MIB

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The Entry plus MIB diers from the Entry MIB outwardly by virtue

of a discrete control panel and separate MMI display. In hardware

terms, it is fundamentally an Entry MIB but its outward appear-

ance is the same as the Standard MIB without optional features.

The Entry plus MIB oers the following features in addition to the

MIB Entry:

• An SD card reader for MP3 and WMA ﬁles

• Colour TFT display with 400 x 240 pixel resolution

• A discrete control panel in the centre console

On the Audi A3 '13, the MMI display has a diagonal screen size of

5.5 inches and folds in and out with the aid of a motorised mecha-

nism.

The radio station list for FM reception is automatically updated.

Optional features are available for the Entry plus MIB. They are:

• Monochrome or colour driver information system

• Multi-function steering wheel

The PR number for the Entry plus MIB is "i7X".

Entry plus MIB

FM2 radio signal input

FM1/AM radio signal input

MMI display for Entry plus MIB on Audi A3 '13

Front panel of J794 for Entry plus MIB

Private CAN High

Information/entertainment CAN High

Private CAN Low Information/entertainment CAN Low

Rear panel of J794 for Entry plus MIB

Video output for MMI display J685

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In terms of functionality and speciﬁcations, the Standard MIB is comparable with the RMC Radio Media Center. There are radio and naviga-

tion system versions of the Standard MIB.

The electronic information systems control unit 1 J794 for the Standard MIB always has a MOST bus connection. If no additional equip-

ment that requires a MOST bus is ﬁtted, the MOST bus connection is unused.

Standard MIB

FM2 radio signal input

FM1/AM radio signal input

Private CAN High

Information/entertainment CAN High

Private CAN Low

Information/entertainment

CAN Low

Rear panel of J794 for Standard MIB, radio version

Standard MIB radio version

The radio version of the Standard MIB oers the following fea-

tures:

• Radio with phase diversity module, FM twin tuner (frequency

modulation) and AM tuner (amplitude modulation)

• Single CD drive which supports MP3, WMA and AAC* ﬁles

• An SD card reader for MP3, WMA and AAC ﬁles

• Integrated ampliﬁer with 4 x 20 watts max. power

• Car menu

• 5.8-inch colour TFT screen with 400 x 240 pixel resolution

• A discrete control panel in the centre console

• AUX IN socket (UE3)

On the Audi A3 '13, the MMI display has a diagonal screen size of

5.8 inches and folds in and out with the aid of a motorised mecha-

nism.

The radio version of the Standard MIB can also be equipped with

the following optional features:

• DAB tuner (digital radio) (QV3)

• Internal audio ampliﬁer for Audi sound system with 180 watts

power (6 channels, 3 x 20W + 3 x 40W) (9VD)

• Audi music interface (UE7)

• Bluetooth interface for HFP and A2DP (9ZX)

• Universal mobile phone pre-wiring (9ZE)

• Interactive voice control

The PR number for the Standard MIB is "i8D" with the sux "7Q0"

for the radio version (7Q0 means "without navigation system").

MMI screen for Standard MIB without

navigation system on Audi A3 '13

Front panel of J794 for Standard MIB, radio version

DAB radio signal input

Video output for MMI display

USB* connection to AMI MOST bus connection

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FM2 radio signal input

FM1/AM radio signal input

Private CAN High

Information/entertainment

CAN High

Private CAN Low

Information/entertainment

CAN Low

Rear panel of J794 for Standard MIB, navigation system version

Front panel of J794 for Standard MIB,

navigation system version

Display for speciﬁc destination search

DAB radio signal input

Video output for MMI display

USB connection to AMI

GPS signal input MOST bus connection

Standard MIB navigation system version

If the radio-version MMI is set up for the navigation function, it

also has the following features:

• Second SD card reader

• Navigation system hardware

If the navigation function is activated on the radio-version MMI at

the factory, the navigation map data is also available in the car on

an SD card.

The navigation system data is currently supplied by the company

Navteq. For the European version, an 8-GB SDHC* card is currently

used.

The navigation system has a two-dimensional birds-eye view map

display.On the Setup menu it is referred to as the 3D map.There is

the possibility, depending on sales market, of displaying the

currently applicable maximum speed limits or the guideline

maximum speeds for the country concerned.

The navigation system uses a real ecological route calculation

algorithm and also oers the option of choosing between three

alternative routes. In addition, you can create a route with an

intermediate destination. If the driver takes a break, the route last

used is automatically resumed.

With the Standard MIB, the navigation system now oers the

option of entering a destination using the voice control function

as well as by manually entering an address. When doing so, the

user is assisted by predeﬁned MMI prompts.

The PR numbers below indicate whether the Standard MIB is one

that is navigation-ready or with the navigation system pre-acti-

vated:

• Navigation-ready: 7UH

• Basic navigation system activated: 7UF

MMI screen for Standard MIB with

active navigation system on Audi A3 '13

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