Navigation System From September 2008

Fig 1: Information Electronics Control Module 1 -J794-

Courtesy of AUDI OF AMERICA, LLC

Connection block with four multi-pin connectors
MOST Bus
FBAS input
Gray 4-pin connector (T4am) to the front information display control head -J685-
4-pin connector (T4ao) to external audio source connection -R199-
Not used
GPS connection from roof antenna -R216-
Not used

NOTE:

Unlisted connector terminals are not assigned.

Fig 2: A - Brown 8-Pin Connector (T8ah)

Courtesy of AUDI OF AMERICA, LLC

1 -

LF mute from preliminary setup for cell phone preparation

2 -

Voltage supply to multimedia control head -E380-

3 -

Wake UP to multimedia control head

6 -

Res MU to multimedia control head

7 -

Ring-break diagnostic wire

Fig 3: A - Brown 8-Pin Connector (T8ah)

Courtesy of AUDI OF AMERICA, LLC

Left-hand drive vehicles

2 -

Microphone input (+) from microphone unit in front roof module -R164- (right front microphone -R141-)

3 -

Microphone input (-) from microphone unit in front roof module (right front microphone)

5 -

FBAS wire (-) from rear view camera system control module -J772-

11 -

FBAS wire (+) from rear view camera system control module

Fig 4: A - Brown 8-Pin Connector (T8ah)

Courtesy of AUDI OF AMERICA, LLC

10 -

Data to multimedia control head

11 -

Data to multimedia control head

12 -

Terminal 31

14 -

Res BT from multimedia control head

15 -

Terminal 30

16 -

Ground to multimedia control head

Fig 5: Identifying MOST BUS Input/Output Connections

Courtesy of AUDI OF AMERICA, LLC