Information Electronics Control Module 1 -J794- CONNECTOR ASSIGNMENT

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2018 Audi S8, 2018 Audi A8 Quattro, 2017 Audi S8, 2017 Audi A8 Quattro, and 2016 Audi S8. However, it is still accessible from the selected car via links, so may be relevant.

Information Electronics Control Module 1J794

Fig 1: Identifying Information Electronics Control Module 1 -J794-

Courtesy of AUDI OF AMERICA, LLC

GSM connection from the Roof Antenna -R216-
Connection block with four multi-pin connectors
MOST Bus
CVBS input from the DVD Changer -R161-
4-Pin Connector -T4co-, to Front Information Display Control Head -J685-
4-Pin Connector - T4cn- to the External Audio Source Connection -R199-
GPS Connection from the Roof Antenna -R216-

NOTE:

Unlisted connector terminals are not assigned.

2 - Connection block with four multi-pin connectors

A - 8-Pin ConnectorT8q

Fig 2: A - 8-Pin Connector (T8k)

Courtesy of AUDI OF AMERICA, LLC

Not Assigned
Not Assigned
Wake UP to Multimedia System Control Head -E380-
Not Assigned
Not Assigned
Res MU to Multimedia System Control Head -E380-
Ring-break Diagnostic Cable
Not Assigned

B - 12-Pin ConnectorT12e

Fig 3: A - 8-Pin Connector (T8k)

Courtesy of AUDI OF AMERICA, LLC

LHD vehicle

Not Assigned
Microphone input (+) of Right Front Microphone -R141-, Microphone Unit in Front Roof Module -R164-
Microphone input (-) of Right Front Microphone -R141-, Microphone Unit in Front Roof Module -R164-
Not Assigned
CVBS cable (-) for the Rearview Camera System Control Module -J772- /Peripheral Camera Control Module -J928-
Not Assigned
Not Assigned
Microphone input (+) of Left Front Microphone -R140-, Microphone Unit in Front Roof Module -R164-
Microphone input (-) of Left Front Microphone -R140-, Microphone Unit in Front Roof Module -R164-
Not Assigned
CVBS cable (+) for the Rearview Camera System Control Module -J772- /Peripheral Camera Control Module -J928-
Not Assigned

RHD vehicles

Not Assigned
Microphone input (+) of Left Front Microphone -R140-, Microphone Unit in Front Roof Module -R164-
Microphone input (-) of Left Front Microphone -R140-, Microphone Unit in Front Roof Module -R164-
Not Assigned
CVBS cable (-) for the Rearview Camera System Control Module -J772- /Peripheral Camera Control Module -J928-
Not Assigned
Not Assigned
Microphone input (+) of Right Front Microphone -R141-, Microphone Unit in Front Roof Module -R164-
Microphone input (-) of Right Front Microphone -R141-, Microphone Unit in Front Roof Module -R164-
Not Assigned
CVBS cable (+) for the Rearview Camera System Control Module -J772- /Peripheral Camera Control Module -J928-
Not Assigned

C - 12-Pin ConnectorT12d

Fig 4: A - 8-Pin Connector (T8k)

Courtesy of AUDI OF AMERICA, LLC

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

LF-In Ground
Right LF-In
USB, +5V
USB, Ground
iPod, ACC Power
Detect
Left LF-In
LF-In Ground Shielding
CVBS cable (+)
CVBS cable (-)
iPod data
iPod data

D - 8-Pin ConnectorT8p

Fig 5: A - 8-Pin Connector (T8k)

Courtesy of AUDI OF AMERICA, LLC

10 - Data from Multimedia System Control Head -E380-

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

12 - Terminal 31

14 - Res BT from Multimedia System Control Head -E380-

15 - Terminal 30

3 - MOST BUS

Fig 6: 2 - MOST Bus

Courtesy of AUDI OF AMERICA, LLC

Input
Output

5 - 4-Pin ConnectorT4co

Fig 7: 2 - 5-Pin Connector -T5bp-

Courtesy of AUDI OF AMERICA, LLC

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

LVDS (-)
LIN
LVDS (+)
Ground

6 - 4-Pin ConnectorT4cn

Fig 8: 2 - 5-Pin Connector -T5bp-

Courtesy of AUDI OF AMERICA, LLC

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

D (+)
iPod recognized
D (-)
Ground