Audi Q3: MMI Bluetooth Hands-Free Calling Connector Assignments, 9ZX

Information Electronics Control Module 1 -J794-

1 - Not Assigned

2 - 4-Pin Connector -T4u- to the External Audio Source Connection -R199-/Internet Access Control Module - J666-

3 - 4-Pin Connector -T4al- to the Front Information Display Control Head -J685-

4 - Not Assigned

5 - Connection block with four multi-pin connectors

6 - MOST Bus

7 - 20-Pin Connector -T20k- to the Information Electronics Control Module 1 -J794-

8 - Not Assigned

  Note

Unlisted connector terminals are not assigned.

2 - 4-Pin Connector -T4u-

All pins are connected with the External Audio Source Connection -R199-/Internet Access Control Module -J666-.

 1 - D (+)

 2 - iPod recognized

 3 - D (-)

 4 - Ground

3 - 4-Pin Connector -T4al-

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

 1 - LVDS (-)

 2 - LIN

 3 - LVDS (+)

 4 - Ground

 5 - Connection Block with Four Multi-Pin Connectors

A - 8-Pin Connector -T8ah-

 2 - Power supply to the Information Electronics Control Module 1 -J794-, 20-Pin Connector -T20k-

 3 - Wake Up to the Information Electronics Control Module 1 -J794-, 20-Pin Connector -T20k-

 6 - Res MU to the Information Electronics Control Module 1 -J794-, 20-Pin Connector -T20k-

 7 - Ring-break Diagnostic Cable

B - 12-Pin Connector -T12x-

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

 24 - Microphone input (+) from Microphone Unit In Front Roof Module -R164-, Telephone Microphone -R38-

 25 - Microphone input (-) from Microphone Unit In Front Roof Module -R164-, Telephone Microphone -R38-

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

C - 12-Pin Connector -T12k-

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

 29 - LF-In Ground

 30 - Right LF-In

 31 - USB, +5 V. not on the Internet Access Control Module -J666-, UE2

 32 - USB, Ground

 33 - iPod, ACC Power

 34 - Detect, not on the Internet Access Control Module -J666-, UE2

 35 - Left LF-In

 36 - LF-In ground shielding

 37 - CVBS cable (+)

 38 - CVBS cable (-)

 39 - iPod data

 40 - iPod data

Following pins are also still connected with the Internet Access Control Module -J666-, UE2.

 31 - USB, +5 V

 32 - USB, Ground

 34 - Detect

D - 8-Pin Connector -T8ao-

 10 - Data from Information Electronics Control Module 1 -J794-, 20-Pin Connector -T20k-

 11 - Data to Information Electronics Control Module 1 -J794-, 20-Pin Connector -T20k-

 12 - Terminal 31

 14 - Res BT from Information Electronics Control Module 1 -J794-, 20-Pin Connector -T20k-

 15 - Terminal 30

 16 - Ground to Information Electronics Control Module 1 -J794-, 20-Pin Connector -T20k-

6 - MOST bus

 1 - Input

 2 - Output

7 - 20-Pin Connector -T20k-

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

 7 - Power supply from the Information Electronics Control Module 1 -J794-

 8 - Ground to the Information Electronics Control Module 1 -J794-

 13 - Res MU from the Information Electronics Control Module 1 -J794-

 14 - Res MU to the Information Electronics Control Module 1 -J794-

 15 - Information Electronics Control Module 1 -J794- data

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

Cellular Telephone Amplifier -R86-, Connector Assignment

Cellular Telephone Amplifier -R86-

1 - GSM connection from Roof Antenna -R216-

2 - Antenna connection to the Telephone Baseplate -R126-

3 - 4-Pin Connector -T4ak-

  Note

Unlisted connector terminals are not assigned.

3 - 4-Pin Connector -T4ak-

 1 - Terminal 30

 2 - Terminal 31

 3 - Switch-on signal from Information Electronics Control Module 1 -J794-

 4 - Control pin (not used)

Connector Assignment, Microphone Unit

1 - 4-Pin Connector -T4bg-

 1 - Microphone 1, Telephone Microphone -R38- to the Information Electronics Control Module 1 -J794-

 2 - Microphone 1, Telephone Microphone -R38- to the Information Electronics Control Module 1 -J794-

 3 - Microphone 2, Interior Microphone -R74- to the Digital Sound System Control Module -J525-

 4 - Microphone 2, Interior Microphone -R74- to the Digital Sound System Control Module -J525-

2 - Microphone 1, Telephone Microphone -R38-

3 - Microphone 2, Interior Microphone -R74-

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