Audi A6 Owners & Service Manuals
Audi A6 Typ 4G (2011–2018) Workshop Manual / Electrical System / Communication / Infotainment System / Connector Assignments

Audi A6 Typ 4G: Connector Assignments

Front Information Display Control Head -J685- Connector Assignment

Front Information Display Control Head -J685-

1 - 4-Pin Connector -T4dd-/4-Pin Connector -T4de- from the Information Electronics Control Module 1 -J794-

2 - 8-Pin Connector -T8ag-

  Note

Unlisted connector terminals are not assigned.

A91-11713

1 - 4-Pin Connector -T4dd-/4-Pin Connector -T4de-

All pins are connected to the Information Electronics Control Module 1 -J794-.

Through MY 2014

1 - Ground

2 - LVDS (+)

3 - LIN

4 - LVDS (-)

From MY 2015

1 - Ground

2 - LVDS (+)

3 - Ground

4 - LVDS (-)

A91-12099

2 - 8-Pin Connector -T8ag-

1 - Not Assigned

2 - Not Assigned

3 - Not Assigned

4 - Terminal 30

5 - Terminal 31

6 - Not Assigned

7 - CAN bus high to Information Electronics Control Module 1 -J794-, from MY 2015 and 7UG

8 - CAN bus low to Information Electronics Control Module 1 -J794-, from MY 2015 and 7UG

A91-12102

Multimedia Display Unit 1/2 -Y22-/-Y23-, Connector Assignment

Multimedia Display Unit 1 -Y22-

1 - 8-Pin Connector -T8ao-

2 - 4-Pin Connector -T4en-

  Note

Unlisted connector terminals are not assigned.

A91-11587

1 - 8-Pin Connector -T8ao-

1 - Not Assigned

2 - Not Assigned

3 - Terminal 31

4 - Terminal 30

5 - Terminal 31

A91-12102

2 - 4-Pin Connector -T4en-

All pins are connected to the Information Electronics Control Module 2 -J829-.

1 - Ground

2 - LVDS (+)

3 - LIN

4 - LVDS (-)

A91-12098

Multimedia Display Unit 2 -Y23-

1 - 8-Pin Connector -T8ap-

2 - 4-Pin Connector -T4eo-

  Note

Unlisted connector terminals are not assigned.

A91-11587

1 - 8-Pin Connector -T8ap-

1 - Not Assigned

2 - Not Assigned

3 - Terminal 31

4 - Terminal 30

5 - Terminal 31

A91-12102

2 - 4-Pin Connector -T4eo-

All pins are connected to the Information Electronics Control Module 2 -J829-.

1 - Ground

2 - LVDS (+)

3 - LIN

4 - LVDS (-)

A91-12098

MMI Navigation Connector Assignment, 7T2

Information Electronics Control Module 1 -J794-

Information Electronics Control Module 1 -J794-

1 - DAB Connection from Antenna Amplifier 3 -R112-, Digital Radio Antenna -R183-, only ER1/ER2 and QV3

- SAT connection from Roof Antenna -R216-, Satellite Antenna -R170-, only ER3 and QV8

2 - GPS Connection from the Roof Antenna -R216-

3 - Connection Block with Four Multi-Pin Connectors

4 - MOST Bus

5 - 4-Pin Connector -T4z- to the External Audio Source Connection -R199-

6 - 4-Pin Connector -T4df- to the Front Information Display Control Head -J685-

7 - AM/FM/FM2 Antenna Connection

  Note

Unlisted connector terminals are not assigned.

3 - Connection block with four multi-pin connectors

A - 8-Pin Connector -T8e-

1 - Right rear speaker (+)

2 - Right front speaker (+)

3 - Left front speaker (+)

4 - Left rear speaker (+)

5 - Right rear speaker (-)

6 - Right front speaker (-)

7 - Left front speaker (-)

8 - Left rear speaker (-)

A91-11645

B - 12-Pin Connector -T12c-

1 - Data from Multimedia System Control Head -E380-

2 - Res BT Multimedia System Control Head -E380-

3 - Not Assigned

4 - Microphone input (+) from Microphone Unit in Front Roof Module -R164-, Left Front Microphone -R140-

5 - CVBS cable (-) for the Rearview Camera System Control Module -J772-

6 - DIAG signal from Telephone Baseplate -R126-

7 - Data to the Multimedia System Control Head -E380-

8 - Wake UP Multimedia System Control Head -E380-

9 - Res HU to the Multimedia System Control Head -E380-

10 - Not Assigned

11 - CVBS cable (+) for the Rearview Camera System Control Module -J772-

12 - Microphone input (-) for the Microphone Unit in Front Roof Module -R164-, Left Front Microphone -R140-

A91-11645

C - 12-Pin Connector -T12e-

All pins are connected to the External Audio Source Connection -R199-.

1 - LF-In ground

2 - Right LF-In

3 - USB, +5 V

4 - USB, ground

5 - iPod, ACC Power

6 - Detect

7 - Left LF-In

8 - LF-In ground shielding

9 - CVBS cable (+)

10 - CVBS cable (-)

11 - iPod data

12 - iPod data

A91-11645

D - 8-Pin Connector -T8f-

9 - Subwoofer -R211-

10 - Center Speaker -R208-

13 - Subwoofer -R211-

14 - Center Speaker -R208-

17 - Terminal 31

18 - Terminal 30

A91-11645

E - 12-Pin Connector -T12d-

7 - Ring-break Diagnostic Cable

12 - Switch-on signal to Telephone Baseplate -R126-/Cellular Telephone Amplifier -R86-

A91-11645

4 - MOST Bus

1 - Output

2 - Input

A91-11851

5 - 4-Pin Connector -T4z-

All pins are connected to the External Audio Source Connection -R199-.

1 - D (+)

2 - iPod recognized

3 - D (-)

4 - Ground

A91-12091

6 - 4-Pin Connector -T4df-

All pins are connected to the Front Information Display Control Head -J685-.

1 - LVDS (-)

2 - LIN

3 - LVDS (+)

4 - Ground

A91-12091

7 - AM/FM1/FM2 antenna connection

1 - Chamber 2, AM/FM1 from Antenna Amplifier 2 -R111-, Radio Antenna 2 -R93-

2 - Chamber 1, FM2 from Antenna Amplifier -R24-, Antenna -R11-

A91-12103

Information Electronics Control Module 2 -J829- Connector Assignment

Information Electronics Control Module 2 -J829-

1 - Connection block with four multi-pin connectors

2 - MOST Bus

3 - CVBS input from the DVD Changer -R161-

4 - 4-Pin Connector -T4eh- to the Multimedia Display Unit 1 -Y22-, left

5 - 4-Pin Connector -T4ek- to the External Audio Source Connection 2 -R231-

6 - 4-Pin Connector -T4ei- to the Multimedia Display Unit 2 -Y23-, right

  Note

Unlisted connector terminals are not assigned.

1 - Connection block with four multi-pin connectors

A91-12050

A - 8-Pin Connector -T8l-

3 - Wake UP to the Multimedia Control Head 2 -E499-

6 - Res MU to Multimedia Control Head 2 -E499-

7 - Ring-break Diagnostic Cable

A91-11788

B - 12-Pin Connector -T12ad-

5 - FBAS wire (-) from the TV Tuner -R78- (Not available for North America)

11 - FBAS wire (+) from the TV Tuner -R78- (Not available for North America)

A91-11788

C - 12-Pin Connector -T12ae-

All pins are connected to the External Audio Source Connection 2 -R231-.

1 - LF-In ground

2 - Right LF-In

3 - USB, +5 V

4 - USB, ground

5 - iPod, ACC Power

6 - Detect

7 - Left LF-In

8 - LF-In ground shielding

9 - CVBS cable (+)

10 - CVBS cable (-)

11 - iPod data

12 - iPod data

A91-11788

D - 8-Pin Connector -T8m-

10 - Multimedia Control Head 2 -E499- data

11 - Data to Multimedia Control Head 2 -E499-

12 - Terminal 31

14 - Res BT from Multimedia Control Head 2 -E499-

15 - Terminal 30

A91-11788

2 - MOST Bus

1 - Input

2 - Output

A91-11851

4 - 4-Pin Connector -T4eh-

All pins are connected to the Multimedia Display Unit 1 -Y22-.

1 - LVDS (-)

2 - LIN

3 - LVDS (+)

4 - Ground

A91-12091

5 - 4-Pin Connector -T4ek-

All pins are connected to the External Audio Source Connection 2 -R231-.

1 - D (+)

2 - iPod recognized

3 - D (-)

4 - Ground

A91-12091

6 - 4-Pin Connector -T4ei-

All pins are connected to the Multimedia Display Unit 2 -Y23-.

1 - LVDS (-)

2 - LIN

3 - LVDS (+)

4 - Ground

A91-12091

Multimedia System Control Head -E380- Connector Assignment

Multimedia System Control Head -E380-

  Note

Unlisted connector terminals are not assigned.

20-Pin Connector -T20b-

1 - Not Assigned

2 - Not Assigned

3 - Display mount, 8-Pin Connector -T8o-

4 - Display -Closed- Stop Switch -F331-, 8-Pin Connector -T8o-

5 - Display -Open- Stop Switch -F330-, 8-Pin Connector -T8o-

6 - Wake UP to the Information Electronics Control Module 1 -J794-

7 - Terminal 30

8 - Terminal 31

9 - Not Assigned

10 - Display Unit Button -E506- inside the instrument panel

11 - Not Assigned

12 - Not Assigned

13 - Res HU to Information Electronics Control Module 1 -J794-

14 - Res BT to Information Electronics Control Module 1 -J794-

15 - Information Electronics Control Module 1 -J794- data

16 - Data from Information Electronics Control Module 1 -J794-

17 - Not Assigned

18 - Not Assigned

19 - Display Opening/Closing Motor -V301-, 8-Pin Connector -T8o-

20 - Display Opening/Closing Motor -V301-, 8-Pin Connector -T8o-

A91-12210

Multimedia Control Head 2 -E499- Connector Assignment

Multimedia Control Head 2 -E499-

  Note

Unlisted connector terminals are not assigned.

20-Pin Connector -T20i-

1 - LF-In 1 left from the Radio - R-/Information Electronics Control Module 1 -J794-

2 - LF-In 1 right from the Radio - R-/Information Electronics Control Module 1 -J794-

3 - LF-In 1 ground from the Radio - R-/Information Electronics Control Module 1 -J794-

4 - Not Assigned

5 - Diag 1/2 to the Radio -R-/Information Electronics Control Module 1 -J794-

6 - Wake UP to the Information Electronics Control Module 2 -J829-

7 - Terminal 30

8 - Terminal 31

9 - Not Assigned

10 - Not Assigned

11 - Diag 1 to the Radio -R-/Information Electronics Control Module 1 -J794-

12 - Diag 2 to the Radio -R-/Information Electronics Control Module 1 -J794-

13 - Res HU to Information Electronics Control Module 2 -J829-

14 - Res MU to the Information Electronics Control Module 2 -J829-

15 - Information Electronics Control Module 2 -J829- data

16 - Data to Information Electronics Control Module 2 -J829-

17 - Not Assigned

18 - LF-In 2 ground from the Radio -R-/Information Electronics Control Module 1 -J794-

19 - LF-In 2 left from the Radio -R-/Information Electronics Control Module 1 -J794-

20 - LF-In 2 right from the Radio -R-/Information Electronics Control Module 1 -J794-

A91-12210

Multimedia Control Head 2 -E499- Connector Assignment, Radio

Multimedia Control Head 2 -E499-

  Note

Unlisted connector terminals are not assigned.

20-Pin Connector -T20i-

1 - Not Assigned

2 - Not Assigned

3 - Not Assigned

4 - Terminal 58s

5 - Not Assigned

6 - Wake UP from the Information Electronics Control Module 1 -J794-

7 - Terminal 30

8 - Terminal 31

9 - Terminal 15

A91-12210

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