Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Data Bus On Board Diagnostic Interface Connector, From MY 09






Data Bus On Board Diagnostic Interface Connector, From MY 09

Optical MOST Bus Connection (Fiber Optic) - A -






1. Input

2. Output


- item B - 20-pin connector






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