Communication: Diagnosis Audi S8 D3 facelift

On Board Diagnostic (OBD)

The individual Communication systems have extensive On Board Diagnostic (OBD) capabilities.

In the event that malfunctions occur in any Communication system, troubleshooting is performed using the in the "Guided Fault Finding" operating mode.

Harness connectors on Data Bus On Board Diagnostic Interface J533

Note. Unlisted connector terminals are not assigned.

Scheme 18

Connectors

1 - MOST-Bus

2 - Black 26-pin multi-pin harness connector

1 - MOST-Bus

1 - Input

2 - Output

2 - Black 26-pin multi-pin harness connector

1 - Terminal 30

2 - Terminal 30

3 - Wake-up instrument cluster

4 - Ring-break diagnostic wire

6 - CAN-Bus High (Comfort)

8 - CAN-Bus High (powertrain)

9 - CAN-Bus High (instrument cluster)

11 - CAN-Bus High (diagnosis)

13 - E-CAN, High

14 - Terminal 31

15 - Terminal 31

16 - Terminal 15

19 - CAN-Bus Low (Comfort)

21 - CAN-Bus Low (powertrain)

22 - CAN-Bus Low (instrument cluster)

24 - CAN-Bus Low (diagnosis)

26 - E-CAN Low

Data Bus On Board Diagnostic Interface J533 , removing and installing

Special tools, testers and auxiliary items required

1. Fiber Optic Plier Repair Set VAS 6223
2. Protective Cap For Cable Connector VAS 6223/9

1. If control module is replaced, select "Replacement" function for appropriate control module in "Guided Fault-Finding" routine.

Use the Vehicle Diagnosis, Testing and Information System VAS 5051 to do so.

Removing

1. Remove glove compartment --> «68 - INTERIOR EQUIPMENT»(ref-289222-S37995085722008062700000) .

Scheme 19

1. Disconnect all harness connectors - 2 - on Data Bus On Board Diagnostic Interface J533 - 1 -.

1. Fit the Protective Cap For Cable Connector VAS 6223/9 - 1 - on to the MOST-Bus connector - 2 -.

1. Unscrew bolts - arrows - (4 Nm) and remove Data Bus On Board Diagnostic Interface J533 - 1 -.

Installing

1. Install in reverse order.

The individual Communication systems have extensive On Board Diagnostic (OBD) capabilities.

In the event that malfunctions occur in any Communication system, troubleshooting is performed using the in the "Guided Fault Finding" operating mode.

The individual Communication systems have extensive On Board Diagnostic (OBD) capabilities.

In the event that malfunctions occur in any Communication system, troubleshooting is performed using the in the "Guided Fault Finding" operating mode.

The individual Communication systems have extensive On Board Diagnostic (OBD) capabilities.

In the event that malfunctions occur in any Communication system, troubleshooting is performed using the in the "Guided Fault Finding" operating mode.

Scheme 20

1 - Front Information Display Control Head J685 in center instrument panel

2 - Front Information Display Control Head Control Module J523 behind glove compartment

3 - Multimedia Control Head E380 in lower center console

4 - Data Bus On Board Diagnostic Interface J533 behind glove compartment

5 - Media Player, Position 1 R118 with CD Changer R41 in glove compartment

6 - Digital Sound System Control Module J525 behind left luggage compartment side trim

7 - Left Front Bass Speaker R21 / Right Front Bass Speaker R23 at bottom in front doors

8 - Left Front Mid-range Speaker R26 / Right Front Mid-range Speaker R27 in left and right of instrument panel, front

9 - Center Mid/High Range Speaker R158 in center instrument panel, front

10 - Left Rear Mid/Low Range Speaker R159 / Right Rear Mid/Low Range Speaker R160 at bottom in rear doors

11 - Left Rear Treble Speaker R14 / Right Rear Treble Speaker R16 at top in rear doors

12 - Speaker (in shelf) R150 in left and right of rear shelf

13 - Subwoofer (on rear shelf) R157 in center of rear shelf

14 - Radio R behind left luggage compartment side trim

15 - Microphone Unit (in front roof module) R164 in Front Interior Light W1

16 - Satellite Radio R146 behind luggage compartment left side trim

17 - Radio, Telephone, Navigation System Antenna R52 (Ter/Sat/GPS/GSM-emergency)

18 - Rear window antennas

19 - Antenna Amplifier R24 behind left roof end trim

The Telephone/Telematic system has extensive On Board Diagnostic (OBD) capabilities.

In the event that malfunctions occur in any Communication system, troubleshooting is performed using the in the "Guided Fault Finding" operating mode.

The individual Communication systems have extensive On Board Diagnostic (OBD) capabilities.

In the event that malfunctions occur in any Communication system, troubleshooting is performed using the in the "Guided Fault Finding" operating mode.

Scheme 21

1 - Front Information Display Control Head J685 in center instrument panel

2 - Front Information Display Control Head Control Module J523 behind glove compartment

3 - Multimedia Control Head E380 in lower center console

4 - Data Bus On Board Diagnostic Interface J533 behind glove compartment

5 - Instrument Cluster Control Module J285 (instrument cluster) in instrument panel

6 - Steering Column Electronic Systems Control Module J527 on steering column at steering column switches

7 - Multifunction Steering Wheel

8 - Radio R with Speech Input Control Module J507 behind left luggage compartment side trim

9 - Navigation System with CD Drive Control Module J401 behind luggage compartment left side trim

10 - Navigation System Antenna R50 behind the center roof end trim with telephone/SDARS: roof antenna

11 - Digital Sound System Control Module J525 behind left luggage compartment side trim

12 - Sound system

The individual Communication systems have extensive On Board Diagnostic (OBD) capabilities.

In the event that malfunctions occur in any Communication system, troubleshooting is performed using the in the "Guided Fault Finding" operating mode.

The individual Communication systems have extensive On Board Diagnostic (OBD) capabilities.

In the event that malfunctions occur in any Communication system, troubleshooting is performed using the in the "Guided Fault Finding" operating mode.

Scheme 22

1 - Multifunction Steering Wheel

1. With Multi-function Steering Wheel Control Module J453 under right button
2. Removing and installing multi-function buttons --> «Multi-function buttons, removing and installing»(ref-289229-S39333448092008062700000)
3. Removing and installing Tiptronic switch --> «Tiptronic Switch, removing and installing»(ref-289229-S02355225232008062700000)

2 - Steering Column Electronic Systems Control Module J527

1. On steering column at steering column switches
2. Removing and installing --> «94 - LIGHTS, SWITCHES - EXTERIOR»(ref-289227-S41188826982008062700000)

3 - Telephone/Telematics Control Module J526

1. In foot well, beneath floor mat

4 - Data Bus On Board Diagnostic Interface J533

1. Behind glove compartment

5 - Media Player, Position 1 R118

1. In glove compartment

6 - Radio R

1. Behind luggage compartment left side trim
2. With Speech Input Control Module J507

7 - Front Information Display Control Head Control Module J523

1. Behind glove compartment

8 - Digital Sound System Control Module J526

1. Behind luggage compartment left side trim

9 - Sound system

10 - Microphone Unit (in front roof module) R164

1. Construction --> «Microphone Unit (in front roof module) R164 , overview»(ref-289229-S03145165392008062700000)
2. Removing and installing --> «Microphone Unit (in front roof module) R164 , removing and installing»(ref-289229-S04481158842008062700000)

11 - Navigation System with CD Drive Control Module J401

1. Behind luggage compartment left side trim

12 - TV Tuner R78

1. Behind luggage compartment left side trim

13 - CAN-Bus (Comfort)

The Telematic system has extensive On Board Diagnostic (OBD) capabilities.

In the event that malfunctions occur, Telematic system troubleshooting is performed using the Vehicle Diagnostic Testing and Information System VAS 5051 in operating mode "Guided Fault Finding".

Telematics system, troubleshooting using OnStar system status light

The following allows technicians to perform an initial evaluation of Telematics system operation status for troubleshooting using the OnStar system status light (and pre-recorded system messages where applicable).

Note. After pressing either the OnStar or Emergency button, a recorded message announces: "connecting to OnStar," followed by progression tones. Normal connection time is 10 - 15 seconds. However, due to local cellular/GPS conditions, making a connection could take up to three minutes. Be patient.

The Telematic system has extensive On Board Diagnostic (OBD) capabilities.

In the event that malfunctions occur, Telematic system troubleshooting is performed using the Vehicle Diagnostic Testing and Information System VAS 5051 in operating mode "Guided Fault Finding".

Scheme 23

1 - Multifunction Steering Wheel

2 - Steering Column Electronic Systems Control Module J527

1. On steering column at steering column switches

3 - Data Bus On Board Diagnostic Interface J533

1. Behind glove compartment

4 - Media Player, Position 1 R118

1. In glove compartment

5 - Media Player, Position 2 R119

1. In glove compartment

6 - Radio R

1. Behind luggage compartment left side trim
2. With Speech Input Control Module J507
3. Speech Input Control Module J507 , harness connectors --> «Speech Input Control Module J507 , connector assignments»(ref-289229-S19485332082008062700000)
4. Removing and installing Speech Input Control Module J507 --> «Speech Input Control Module J507 , removing and installing»(ref-289229-S39238905752008062700000)

7 - Navigation System with CD Drive Control Module J401

1. Behind luggage compartment left side trim

8 - Front Information Display Control Head Control Module J523

1. Behind glove compartment

9 - Telephone Transceiver R36

1. In foot well, beneath floor mat

10 - Digital Sound System Control Module J525

1. Behind luggage compartment left side trim

11 - Sound system

12 - Microphone Unit (in front roof module) R164

1. Overview --> «Microphone Unit (in front roof module) R164 , overview»(ref-289229-S03145165392008062700000)

13 - CAN-Bus (Comfort)