Audi A6 Typ 4G: Overview - Navigation System
Overview - Navigation System
The navigation system is a component of the Information
Electronics Control Module 1 -J794- in the instrument panel.
Operation is performed via the Multimedia System Control
Head -E380-.
The navigation data is stored on the SD card for navigation.
The navigation data is stored on an internal hard drive disc
(HDD) for the navigation plus.
7T2 - Navigation
Information Electronics Control Module 1 -J794- with CD
player/SD card reader/navigation system integrated in the
instrument panel
- Radio -R- integrated in the Information Electronics Control
Module 1 -J794-, 8DP
- Front Information Display Control Head -J685-, display in
center of the instrument panel
- Multimedia System Control Head -E380- in the center console,
QW1
- CD Changer -R41- in glove compartment, 7A2
- External Audio Source Connection -R199- in the center
console, UF7
- Digital Sound System Control Module -J525- in the luggage
compartment on the left rear side
- Sound systems: Standard/BOSE, 9VD/8RY
- Bluetooth Hands-Free Calling, 9ZX
- Voice recognition system, QH1
Optional
- Cell phone preparation, 9ZF
- Digital Radio -R147- integrated in the Information
Electronics Control Module 1 -J794-, only ER1/ER2 and QV3
- Radio System, Satellite -R146- integrated in the Information
Electronics Control Module 1 -J794-, only ER3 and QV8
1 - Roof Antenna -R216-
2 - Front Information Display Control Head -J685-, display in center of
the instrument panel
3 - Multimedia System Control Head -E380- in the center console
4 - Information Electronics Control Module 1 -J794- inside the
instrument panel
5 - External Audio Source Connection -R199- in the center console
6 - Data Bus On Board Diagnostic Interface -J533- under the rear bench
seat
7 - Digital Sound System Control Module -J525- in luggage compartment on
left rear side
8 - MOST Bus
9 - CD Changer -R41- in glove compartment
10 - Left Front Microphone -R140-, Microphone Unit in Front Roof Module
-R164- in the Front Interior Lamp -W1-
7T6 - Navigation plus, through MY 2014
- Information Electronics Control Module 1 -J794- with CD
player/DVD Player/SD card reader/navigation system integrated in
the instrument panel
- Internal hard drive disc storage (HDD) for storing
navigation data and MP3 files
- Front Information Display Control Head -J685-, display in
center of the instrument panel
- Multimedia System Control Head -E380- in the center console,
QW1
- DVD Changer -R161- in the glove compartment, 6G0
- External Audio Source Connection -R199- in the center
console, UF7
- Digital Sound System Control Module -J525- in the luggage
compartment on the left rear side
- Sound systems: Standard/BOSE/Bang & Olufsen, 9VD/8RY/8RF
- Radio -R- in the luggage compartment on the left rear side,
8YQ
- TV Tuner -R78- in the luggage compartment on the left rear
side, QU6/QU7
- Bluetooth Hands-Free Calling, 9ZX
- Voice recognition system, QH1
Optional
- Bluetooth car phone, 9ZW
- Digital Radio -R147- integrated in the Information
Electronics Control Module 1 -J794-, only ER1/ER2 and QV3
- Radio System, Satellite -R146- integrated in the Information
Electronics Control Module 1 -J794-, only ER3 and QV3
1 - Roof Antenna -R216-
2 - Front Information Display Control Head -J685-, display in center of
the instrument panel
3 - Multimedia System Control Head -E380- in the center console
4 - Information Electronics Control Module 1 -J794- inside the
instrument panel
5 - Telephone Baseplate -R126-/External Audio Source Connection -R199-
in the center console storage compartment
6 - MOST Bus
7 - Data Bus On Board Diagnostic Interface -J533- under the rear bench
seat
8 - Digital Sound System Control Module -J525- in luggage compartment on
left rear side
9 - Radio -R- in the luggage compartment on the left rear side
10 - CVBS Cable
11 - TV Tuner -R78- on the left side of the luggage compartment in the
rear
12 - DVD Changer -R161- in the glove compartment
13 - Left Front Microphone -R140-, Microphone Unit in Front Roof Module
-R164- in the Front Interior Lamp -W1-
7UG -Navigation plus, from MY 2015
- Information Electronics Control Module 1 -J794- with CD
player/DVD Player/SD card reader/navigation system integrated in
the instrument panel
- Internal hard drive memory (HDD) for storing navigation data
and MP3 files
- Front Information Display Control Head -J685-, display in
center of the instrument panel
- Multimedia System Control Head -E380- in the center console,
QW1
- DVD Changer -R161- in the glove compartment, 6G2
- External Audio Source Connection -R199- in the Center
Console Storage Compartment
- Digital Sound System Control Module -J525- in the luggage
compartment on the left rear side
- Sound systems: Standard/BOSE/Bang & Olufsen, 9VD/8RY/8RF
- Radio -R- integrated in the Information Electronics Control
Module 1 -J794-, I8H
- TV Tuner -R78- in the left rear of the luggage compartment,
QU1/QV1
- Bluetooth Hands-Free Calling, 9ZX
- Voice recognition system, QH1
Optional
- Audi connect with Bluetooth car phone, 9ZK
- Audi phone box and Audi connect, 9ZC
- Audi phone box, 9ZE
- Digital Radio -R147- integrated in the Information
Electronics Control Module 1 -J794-, only ER1/ER2 and QV3
- Radio System, Satellite -R146- integrated in the Information
Electronics Control Module 1 -J794-, only ER3 and QV8
1 - Roof Antenna -R216-
2 - Front Information Display Control Head -J685-, display in center of
the instrument panel
3 - Multimedia System Control Head -E380- in the center console
4 - Telephone Baseplate -R126-/External Audio Source Connection -R199-
in the center console storage compartment
5 - Information Electronics Control Module 1 -J794- inside the
instrument panel
6 - MOST Bus
7 - Data Bus On Board Diagnostic Interface -J533- under the rear bench
seat
8 - Digital Sound System Control Module -J525- in luggage compartment on
left rear side
9 - TV Tuner -R78- on the left side of the luggage compartment in the
rear
10 - DVD Changer -R161- in the glove compartment
11 - Left Front Microphone -R140-, Microphone Unit in Front Roof Module
-R164- in the Front Interior Lamp -W1-
Fault finding is performed via "Guided Fault Finding" on the
Vehicle Diagnostic Tester.
Antenna wires, repairing. Refer to
→ Electrical Equipment; Rep. Gr.97; Antenna Wires, Repairing.
Notes on MOST Bus
The optical Data bus "MOST Bus" is used in addition to the
CAN Bus.
A fiber-optic cable is used. Fiber optic cables are routed
inside corrugated tubes for protection.
Replace complete fiber-optic cable if possible.
The front surface of the connectors must not be dirty.
If disconnecting the connectors: Attach Fiber-Optic Repair
Set - Connector Protective Caps -VAS6223/9-.
When installing fiber-optic cables, make sure not to go
below the minimum bending radius of 25 mm. Do not crush or kink
fiber-optic cables.
Repairing fiber-optic cables. Refer to
→ Electrical Equipment General Information; Rep. Gr.97; Wiring
Harness and Connector Repairs; Fiber-Optic Cables, Repairing.
Component Location Overview - Navigation System
Component Location Overview - Navigation System
1 - Information Electronics Control Module 1 -J794-
- Navigation connector assignment, 7T2. Refer to
→ Chapter "Navigation Connector Assignment, 7T2".
- Navigation plus connector assignment, 7T6. Refer to
→ Wiring diagrams, Troubleshooting & Component locations.
- Navigation plus connector assignment, 7UG. Refer to
→ Wiring diagrams, Troubleshooting & Component locations.
- Removing and installing. Refer to
→ Chapter "Information Electronics Control Module 1 -J794-, Removing and
Installing".
2 - Bolt
3 - Information Electronics Control Module 1 -J794-
4 - Bolt
5 - Trim
READ NEXT:
Navigation Connector Assignment, 7T2
Information Electronics Control Module 1 -J794-
1 - DAB Connection from Antenna Amplifier 3 -R112-, Digital Radio
Antenna -R183-, QV3
- SAT connection
The rear view camera system (KA2) assists the driver during
backup driving by providing the driver with an image of the
traffic situation behind the vehicle via the Front Information
Display Contro
SEE MORE:
Refrigerant Circuit with Expansion Valve and Evaporator
The following illustration shows only the principle of a
refrigerant circuit, the design of the refrigerant circuit in
the respective vehicle can be found in the vehicle-specific
repair manual. Refer to
→ Heating, Ventilation and Air
Vehicles with a high-voltage system (hybrid vehicles)
Extremely Dangerous Due to High-Voltage
The high-voltage system is under high-voltage. Electrocution can
cause death or very serious personal injury from damages high-voltage
components and high-voltage cables.
- Perform a visual inspectio