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Information Electronics Control Module 1 -J794-, THROUGH MY 2016

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Information Electronics Control Module 1 J794, except North America 

Fig 1: Information Electronics Control Module 1 -J794-
GWWA91-11960Courtesy of AUDI OF AMERICA, LLC
  1. GSM connection from Telephone Antenna -R65- or two GSM connections from LTE Antenna 1 -R297- /LTE Antenna 2 -R306-
  2. DAB connection from Digital Radio Antenna -R183-
  3. Connection Block with Four Multi-Pin Connectors
  4. MOST Bus
  5. 4-Pin Connector -T4al- to the Front Information Display Control Head -J685-
  6. 4-Pin Connector -T4w- to the External Audio Source Connection -R199-
  7. 4-Pin Connector -T4ar- to the Chip Card Reader Control Module -J676-, only for Japan
  8. Not Assigned
  9. AM/FM/FM2 Antenna Connection
  10. GPS Connection from GPS Antenna -R50-

Information Electronics Control Module 1 J794, only North America 

Fig 2: Information Electronics Control Module 1 -J794-
GWWA91-11960Courtesy of AUDI OF AMERICA, LLC
  1. GSM connection from Telephone Antenna -R65- or two GSM connections from LTE Antenna 1 -R297- /LTE Antenna 2 -R306-
  2. SDARS connection from Satellite Tuner Antenna -R172-
  3. Connection Block with Four Multi-Pin Connectors
  4. MOST Bus
  5. 4-Pin Connector -T4al- to the Front Information Display Control Head -J685-
  6. 4-Pin Connector -T4w- to the External Audio Source Connection -R199-
  7. Not Assigned
  8. Not Assigned
  9. AM/FM/FM2 Antenna Connection
  10. GPS Connection from GPS Antenna -R50-
NOTE:

Unlisted connector terminals are not assigned.

3 - Connection block with four multi-pin connectors

A - 8-Pin Connector T8ag

Fig 3: A - 8-Pin Connector -T8e-
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

Fig 4: A - 8-Pin Connector -T8e-
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 preliminary setup for cell phone preparation
  5. LF mute wire from preliminary setup for cell phone preparation
  6. CVBS cable (-) from 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 preliminary setup for cell phone preparation
  11. Not Assigned
  12. CVBS cable (+) from Rearview Camera System Control Module -J772-

C - 12-Pin Connector T12y

Fig 5: A - 8-Pin Connector -T8e-
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

Fig 6: A - 8-Pin Connector -T8e-
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

Fig 7: A - 8-Pin Connector -T8e-
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

4 - MOST bus

Fig 8: 2 - MOST Bus
GWWA91-11851Courtesy of AUDI OF AMERICA, LLC
  1. Input
  2. Output

5 - 4-Pin Connector T4al

Fig 9: 2 - 5-Pin Connector -T5bp-
GWWA91-12091Courtesy of AUDI OF AMERICA, LLC

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

  1. LVDS (-)
  2. Not Assigned
  3. LVDS (+)
  4. Ground

6 - 4-Pin Connector T4w

Fig 10: 2 - 5-Pin Connector -T5bp-
GWWA91-12091Courtesy of AUDI OF AMERICA, LLC

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

  1. D (+)
  2. iPod Detected
  3. D (-)
  4. Ground

7 - 4-Pin Connector T4ar, only Japan

Fig 11: 2 - 5-Pin Connector -T5bp-
GWWA91-12091Courtesy of AUDI OF AMERICA, LLC

All pins are connected with the Chip Card Reader Control Module -J676-.

  1. Ground
  2. Data (-)
  3. Supply, +5 V
  4. Data (+)

9 - AM/FM1/FM2 antenna connection

Fig 12: 1 - 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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