AUDI A6 2011 – Infotainment data bus (Most-Ring), for models with MMI generation 3 only (MOST) . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A6 2011 - MMI generation 3

J525	Digital sound package control unit
J533	Data bus diagnostic interface
J794	Control unit for information electronics 1
R	Radio
R7	DVD player
R41	CD changer
R78	TV tuner
♦	fibre optic conductor
♦♦	equipment that is not present is bridged

AUDI A6 2011 Overview of control units

Overview of control units    

q	Connector assignment

q	Connector assignment -J197-

q	Connector assignment -J431-

q	Connector assignment -J502-

q	Connector assignment -J520-

q	Connector assignment -J723-

Audi A6	Fitting Locations	No.  804 / 2

3 -

Control units on right in luggage compartment

q	Components: -J345-, -J446-, -J540-, -R86-

q

Location

q	Connector assignment -J345-

q	Connector assignment -J446-

q	Connector assignment -J540-

q	Connector assignment

Control units on left in luggage compartment

q	Components: -J525-, -R78-, -J401-, -R-, -R12-, -J507-

q

Location

Audi A6	Fitting Locations	No.  804 / 3

Seat and steering column adjustment control unit with memory -J136-, front passenger seat adjustment with memory control unit -J521-

q

Location

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment -J519-

Audi A6	Fitting Locations	No.  804 / 4

Garage door operation control unit -J530-    

Location: In the front bumper cover, right 2 -  Garage door operation control unit -J530-

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Connector assignment.

Garage door operation control unit -J530-

Connector:

   

A -	4-pin connector

Engine control unit -J623-    

Location: In electronics box right in plenum chamber, above relay carrier 1 -  Engine control unit -J623-

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Control units behind the glove box    

Location: 1 -  Front information display and operating unit control unit -J523- 2 -  Aerial reader unit for keyless entry system -J723- 3 -  Data bus diagnostic interface -J533- 4 -  Headlight range control, control unit -J431- 5 -  Onboard supply control unit 2 -J520- 6 -  Tyre pressure monitor control unit -J502- 7 -  Adaptive suspension control unit -J197-

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Connector assignment.

Adaptive suspension control unit -J197-

Connector:

   

A -	9-pin connector, grey -T9-

B -	18-pin connector, grey -T18-

C -	15-pin connector, purple -T15a-

D -	12-pin connector, green -T12k-

E -	6-pin connector, blue -T6m-

Connector assignment.

Headlight range control, control unit -J431-

Connector:

   

A -	26-pin connector, black -T26-

Connector assignment.

Tyre pressure monitor control unit -J502-

Connector:

   

A -	32-pin connector, white -T32e-

Connector assignment.

A -	Onboard supply control unit 2 -J520-

Connector:

B -	40-pin connector, black -T40-

Connector assignment.

Aerial reader unit for keyless entry system -J723-

Connector:

   

A -	20-pin connector, red -T20-

Airbag control unit -J234-    

Location: Under lower centre console 3 -  Airbag control unit -J234-

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Connector assignment.

Airbag control unit -J234-

Connector:

   

A -	75-pin connector, grey -T75- (USA: white)

Control units on right in luggage compartment    

Location: 1 -  Parking aid control unit -J446- 2 -  Trailer detector control unit -J345- 3 -  Aerial amplifier for mobile telephone - R86 4 -  Convenience system central control unit -J393- 5 -  Relay and fuse carrier right in luggage compartment 6 -  Electric park and handbrake control unit -J540-   Note: Parking aid control unit -J446- is installed under the tool kit in right side trim.

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Connector assignment.

Trailer detector control unit -J345-

Connector:

   

A -	16-pin connector, black -T16f-

B -	12-pin connector, red -T12n-

C -	12-pin connector, blue -T12o-

Connector assignment.

Parking aid control unit -J446-

Connector:

   

A -	16-pin connector, brown -T16a-

B -	12-pin connector, brown -T12d-

C -	12-pin connector, black -T12e-

Connector assignment.

Electric park and handbrake control unit -J540-

Connector:

   

A -	30-pin connector, black -T30-

Convenience system central control unit -J393-    

Location: on right in luggage compartment 1 -  32-pin connector, blue, connector B -T32d- 2 -  10-pin connector, black, connector C -T10y- 3 -  15-pin connector, brown, connector A -T15-

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Energy management control unit -J644-    

Location: In luggage compartment, behind the trim apron 2 -  Energy management control unit -J644-

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Connector assignment.

Energy management control unit -J644-

Connector:

   

A -	14-pin connector

Radio controlled clock receiver -J489-    

Location: Behind the rear bumper cover next to the trailer socket 1 -  Radio controlled clock receiver -J489-

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Seat and steering column adjustment control unit with memory -J136-, front passenger seat adjustment with memory control unit -J521-    

Location: In lower driver seat or front passenger seat 1 -  Seat and steering column adjustment control unit with memory -J136-, front passenger seat adjustment with memory control unit -J521-

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Connector assignment.

Seat and steering column adjustment control unit with memory -J136-, front passenger seat adjustment with memory control unit -J521-

Connector:

   

A -	32-pin connector -T32a- or -T32b-

B -	12-pin connector -T12l- or -T12m-

Entry and start authorisation control unit -J518-    

Location: on steering column -arrow-

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Connector assignment.

Entry and start authorisation control unit -J518-

Connector:

   

A -	20-pin connector, black -T20h-

B -	3-pin connector, black -T3q-

Behind driver storage compartment control units    

Location: 1 -  9 point relay and fuse carrier 2 -  Onboard power supply control unit -J519- 3 -  Fuses on onboard supply control unit -J519- 4 -  Fuse carrier, left dash panel 5 -  Relay and fuse carrier on steering cross member

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Connector assignment.

Onboard power supply control unit -J519-

Connector:

   

A -	10-pin connector, black -T10-

B -	12-pin connector, black -T12-

C -	32-pin connector, white -T32c-

Wiper motor control unit -J400-    

Location: On left in plenum chamber, left-hand drive on right in plenum chamber, right-hand drive 1 -  Wiper motor control unit -J400-

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Automatic gearbox control unit -J217-    

Location: on gearbox (Item 1) multitronic

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Location: on lower gearbox (arrow) gearbox 09L

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AUDI A6 2011 Drives in glove box

Location:

1 -	Media player in position 1 -R118-

-	MMI basic:

-	Front information display and operating unit control unit -J523- includes

-

Radio -R-

-	Digital sound package control unit -J525-

-	CD player -R89-

-	MMI basic plus:

-	Front information display and operating unit control unit -J523- includes

-

Radio -R-

-	CD player -R89-

-	Navigation system with CD drive control unit -J401- (basic plus navigation system)

-

MMI:

-	CD changer -R41-

2 -	Media player in position 2 -R119-

-	CD changer -R41-

-	MiniDisc player -R153-

In right-hand drive, item 1 is located on right, item 2 on left.

  Control units on left in luggage compartment    

Location: 1 -  Digital sound package control unit -J525- 2 -  Radio -R- and speech input control unit -J507- (MMI) 3 -  Navigation system with CD drive control unit -J401- (MMI) 4 -  TV tuner -R78- 5 -  Amplifier -R12- (auxiliary amplifier)

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Control unit in dash panel insert -J285-

Connector assignment.

Control unit in dash panel insert -J285-

Connector:

   

A -	32-pin connector, grey -T32-

AUDI A6 2011 Driver door control unit -J386-, front passenger side door control unit -J387-, rear left door control unit -J388-, rear right door control unit -J389-

Driver door control unit -J386-, front passenger side door control unit -J387-, rear left door control unit -J388-, rear right door control unit -J389-

Connector assignment.

Driver door control unit -J386-, front passenger side door control unit -J387-, rear left door control unit -J388-, rear right door control unit -J389-

Connector:

   

A -	6-pin connector, black -T6t-, -T6u-, -T6v-, -T6w-

B -	20-pin connector, black -T20i-, -T20k-, -T20l-, -T20m-

C -	16-pin connector, black -T16g-, -T16h-, -T16i-, -T16k-

D -	32-pin connector, white -T32g-, -T32h-