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p/n 4H0 035 746 D, 4H0 035 746 E, 4H0 035 746 F, 4H0 035 746 G, 4H0 035 746 H, 4H0 035 746 J, 4H0 035 746 K
This pinout is associated with 2 compatible devices or models. Show them>

16 pin A connector

Pin
Number
Function
3 Wake-up to multimedia system operating unit
5  Switch-on signal to aerial amplifier for mobile telephone
6  Res MU to multimedia system operating unit
7  Open circuit diagnostic lead
9  Switch-on signal to telephone bracket
10  Data from multimedia system operating unit
11  Data to multimedia system operating unit
12  Terminal 31 (ground)
13  DIAG signal from telephone bracket
14  Res BT from multimedia system operating unit
15  Terminal 30 (BAT+)

12 pin B connector

Pin
Number
Function
2 Microphone input (+) from microphone unit in front roof module (front right microphone for LHD vehicle)
3 Microphone input (–) from microphone unit in front roof module (front right microphone for LHD vehicle)
5 FBAS wire (-) from reversing camera system control unit
8 Microphone input (+) from microphone unit in front roof module (front left microphone for LHD vehicle)
9 Microphone input (–) from microphone unit in front roof module (front left microphone for LHD vehicle)
11 FBAS wire (+) from reversing camera system control unit

12 pin C connector 

Pin
Number
Function
1 NF in, earth (low frequency)
2 NF in, right-side (low frequency)
3 USB (+5V)
4 USB (earth)
5 iPod (ACC power)
6 Detect
7 NF in, left-side (low frequency)
8 NF in, screen earth (low frequency)
9 FBAS wire (+)
10 FBAS wire (–)
11 iPod data
12 iPod data

 4 pin display unit Connector

Pin
Number
Function
1 LVDS (-)
2 LIN
3 LVDS(+)
4 Earth

 4 pin USB Connector

Pin
Number
Function
1 D+
2 iPod detected
3 D-
4 Earth

4 pin Audi Head Unit shaped  connector layout
4 pin Audi Head Unit shaped  connector
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Audi A8, S8 (2011-2016) MMI Multimedia CD Player visual pinout:
Audi A8, S8 (2011-2016) MMI Multimedia CD Player diagram
click to enlarge
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