Data Bus On Board Diagnostic Interface -J533- CONNECTOR, FROM MY 2009

Optical Most-Bus Connection (Fiber Optic) Item -A-

Fig 1: Identifying -Item B- 20-Pin Connector

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1. IN
2. OUT

20-Pin Connector item -B-

Fig 2: Identifying -Item B- 20-Pin Connector

Courtesy of AUDI OF AMERICA, LLC

1. Battery + (Terminal 30)
2. LIN 1
3. ACC
4. ESL
5. CAN bus Low (Comfort)
6. CAN bus Low (drivetrain)
7. CAN bus low (extended)
8. CAN bus low (instrument cluster)
9. CAN bus Low (diagnosis)
10. Shielding (Most diagnosis)
11. Ground - (terminal 31)
12. LIN 2
13. Instrument cluster wake-up
14. Terminal 15
15. CAN bus High (Comfort)
16. CAN bus High (drivetrain)
17. CAN bus high (extended)
18. CAN bus high (instrument cluster)
19. CAN bus High (diagnosis)
20. Shielding