Pinouts >  Genuine Audi Head units  >  Audi pinouts
p/n 8T2035186Q

Pin
Number
Description
A1 Wake UP to Multimedia Control Head
A4 Res HU to Multimedia Control Head
A5 Res BT to Multimedia Control Head
A8 Ground (GND) to Front Information Display Control Head
A11 NF mute from preliminary setup for cell phone preparation
A12  Terminal 31 ( GND)
A13 Voltage supply for the Front information display control head
A14 Ring-break diagnostic cable
A15  Terminal 30 ( BAT+)
A16 Voltage supply to Multimedia Control Head

 

12 pin B connector

Pin
Number
Description
B1 Data to the Multimedia system control head
B3 Data (+) to Front Information Display Control Head
B4 Data (-) to Front Information Display Control Head
B5 Data from Multimedia system control head

12 pin C connector

Pin
Number
Description
C5 Data (-) from Front Information Display Control Head
C7 Ground (GND) to Multimedia Control Head
C11 Data (+) from Front Information Display Control Head

 

10 pin MMI Connector at Display

Pin
Number
Function
1 Voltage Supply from Front Information Display Control Head Control Module
3 Ground from Front Information Display Control Head Control Module
6 Terminal 31 (GND)
7 Data (+) from Front Information Display Control Head Control Module
8 Data (-) from Front Information Display Control Head Control Module
9 Data (+) to Front Information Display Control Head Control Module
10 Data (-) to Front Information Display Control Head Control Module

 

 

 

8 pin Connector at MMI CD Changer

Pin
Number
Function
1 Terminal 31 (GND)
2 Terminal 30 (BAT+)
4 Terminal 31 (MMI Basic only)
5 Ring-break Diagnostic Cable

 

16 pin Connector at Multimedia System Control

Pin
Number
Function
6 Wake UP
7 Voltage Supply
8 Ground
13 Res HU
14 Res BT
15 IN
16 OUT
10 pins unspecified connector layout
10 pins unspecified connector
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Audi A4 (2008-2012) MMI basic Head Unit visual pinout:
Audi A4 (2008-2012) MMI basic Head Unit diagram
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