Data Bus On Board Diagnostic Interface -J533- Connector, From My 2009

Optical MOST-Bus Connection (fiber optic) -A-

Fig 1: View Of Optical MOST-Bus Connection (Fiber Optic) -A- And 20-pin Connector -B- (From MY 2009)

Courtesy of AUDI OF AMERICA, LLC

1. Input
2. Output

20-pin Connector -B-

Fig 2: View Of Optical MOST-Bus Connection (Fiber Optic) -A- And 20-pin Connector -B- (From MY 2009)

Courtesy of AUDI OF AMERICA, LLC

1. Battery + (Terminal 30)
2. LIN 1
3. ACC Rel.
4. ESL
5. Convenience CAN bus low
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. Convenience CAN bus high
16. CAN bus High (drivetrain)
17. CAN bus High (extended)
18. CAN bus High (instrument cluster)
19. CAN bus High (diagnosis)
20. Shielding