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Information Electronics Control Module 1 -J794-, FROM MY 2017

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Information Electronics Control Module 1 J794, except North America 

Fig 1: Identifying Navigation Plus Connector Assignment, 7UG, From My 2015
GWWA91-12327Courtesy of AUDI OF AMERICA, LLC
  1. LTE connection from LTE Antenna 2 -R306-
  2. LTE connection from LTE Antenna 1 -R297-
  3. DAB connection from Digital Radio Antenna -R183-
  4. Connection block with four multi-pin connectors
  5. MOST Bus
  6. 4-Pin Connector -T4ej- to the Front Information Display Control Head -J685-
  7. 4-Pin Connector -T4ef- to the USB Distributor -R293-
  8. 4-Pin Connector -T4dx- to the Instrument Cluster -KX2-
  9. Not assigned/not equipped
  10. AM/FM/FM2 antenna connection
  11. GPS Connection from GPS Antenna -R50-, only for NZ0

Information Electronics Control Module 1 J794, North America only 

Fig 2: Identifying Navigation Plus Connector Assignment, 7UG, From My 2015
GWWA91-12327Courtesy of AUDI OF AMERICA, LLC
  1. LTE connection from LTE Antenna 2 -R306-
  2. LTE connection from LTE Antenna 1 -R297-
  3. SDARS connection from Satellite Tuner Antenna -R172-
  4. Connection block with four multi-pin connectors
  5. MOST Bus
  6. 4-Pin Connector -T4ej- to the Front Information Display Control Head -J685-
  7. 4-Pin Connector -T4ef- to the USB Distributor -R293-
  8. 4-Pin Connector -T4dx- to the Instrument Cluster -KX2-
  9. Not assigned/not equipped
  10. AM/FM/FM2 antenna connection
  11. GPS Connection from GPS Antenna -R50-
NOTE:

Unlisted connector terminals are not assigned.

4 - Connection Block with Four Multi-Pin Connectors 

A - 8-Pin Connector T8ag 

GWWA91-11645Courtesy of AUDI OF AMERICA, LLC
  1. Right Rear Speaker (+)
  2. Right Front Speaker (+)
  3. Left Front Speaker (+)
  4. Left Rear Speaker (+)
  5. Right Rear Speaker (-)
  6. Right Front Speaker (-)
  7. Left Front Speaker (-)
  8. Left Rear Speaker (-)

B - 12-Pin Connector T12x 

GWWA91-11645Courtesy of AUDI OF AMERICA, LLC
  1. Microphone input (+) from Microphone Unit In Front Roof Module -R164-, Telephone Microphone -R38-
  2. Not Assigned
  3. Not Assigned
  4. LF (+) from Control Module for Emergency Call Module and Communication Unit -J949-
  5. LF mute wire from Control Module for Emergency Call Module and Communication Unit -J949-
  6. CVBS cable (-) for the Rearview Camera System Control Module -J772-
  7. Microphone input (-) from Microphone Unit In Front Roof Module -R164-, Telephone Microphone -R38-
  8. Not Assigned
  9. Not Assigned
  10. LF (-) from Control Module for Emergency Call Module and Communication Unit -J949-
  11. Not Assigned
  12. CVBS cable (+) for the Rearview Camera System Control Module -J772-

C - 12-Pin Connector T12y 

GWWA91-11645Courtesy of AUDI OF AMERICA, LLC

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

  1. LF-In Ground
  2. Right LF-In
  3. USB, +5 V
  4. USB, Ground
  5. Not Assigned
  6. Not Assigned
  7. Left LF-In
  8. LF-In ground shielding
  9. Not Assigned
  10. Not Assigned
  11. Not Assigned
  12. Not Assigned

D - 8-Pin Connector T8j 

GWWA91-11645Courtesy of AUDI OF AMERICA, LLC

9 -  Subwoofer -R211- (+)

10 -  Center Speaker -R208- (+)

13 -  Subwoofer -R211- (-)

14 -  Center Speaker -R208- (-)

17 -  Terminal 31

18 -  Terminal 30

E - 12-Pin Connector T12w 

GWWA91-11645Courtesy of AUDI OF AMERICA, LLC
  1. CAN bus high to the Multimedia System Control Head -E380- /Front Information Display Control Head -J685-
  2. Reset Multimedia System Control Head -E380-
  3. Ring-break Diagnostic Cable
  4. Not Assigned
  5. Switch-on signal to Telephone Baseplate -R126-
  6. CAN bus high, Infotainment
  7. CAN bus low to the Multimedia System Control Head -E380- /Front Information Display Control Head -J685-
  8. Reset (Information Electronics Control Module 1 -J794-) from Multimedia System Control Head -E380-
  9. Not Assigned
  10. Not Assigned
  11. Status signal from Telephone Baseplate -R126-
  12. CAN bus low, Infotainment

5 - MOST bus 

GWWA91-11851Courtesy of AUDI OF AMERICA, LLC
  1. Input
  2. Output

6 - 4-Pin Connector T4ej 

GWWA91-12091Courtesy of AUDI OF AMERICA, LLC

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

  1. LVDS (-)
  2. Ground
  3. LVDS (+)
  4. Ground

7 - 4-Pin Connector T4ef 

GWWA91-12091Courtesy of AUDI OF AMERICA, LLC

All pins are connected to the USB Distributor -R293-.

  1. USB1 data (+)
  2. USB2 data (-)
  3. USB1 data (-)
  4. USB2 data (+)

8 - 4-Pin Connector T4dx 

GWWA91-12091Courtesy of AUDI OF AMERICA, LLC

All pins are connected to the Instrument Cluster -KX2-.

  1. LVDS (-)
  2. Ground
  3. LVDS (+)
  4. Ground

10 - AM/FM1/FM2 Antenna Connection 

GWWA91-12103Courtesy of AUDI OF AMERICA, LLC
  1. Connector 2, AM/FM1 from Antenna Amplifier -R24-, Antenna -R11-
  2. Connector 1, FM2 from Antenna Amplifier 2 -R111- or Antenna Amplifier 3 -R112-, Radio Antenna 2 -R93-
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