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Data bus diagnostic interface 1. Electrical plug connection diag. data bus interface -J533-; 2. Data bus diagnostic interface -J533-; 3. Bolt. 3 Nm; 4. Plug connection for optical cable. Cover with protective cap for cable connectors-VAS
Removing diagnostics data bus connector -J533-
When replacing a used one, select in the mode "Guided troubleshooting" or "Slave functions" function "Replacement" corresponding used one.
Select function or path: Vehicle make - Engine code - 19 Data bus diagnostic interface J533 - 19 Used replacement (repair gr. 90).
Follow further instructions on the diagnostic display. tester. Turn off the ignition. Remove the glove box. Unscrew bolt -2-. Extract diag. data bus interface -533- -pos. 3- from holder -arrow-. Disconnect email plug connection -4-. Disconnect connector -1 - fiber optic line.
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Seal the open connector of the wiring harness -2- of the optical cable with the protective cap -VAS 6223/9- -pos. 1-.
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The protective cap prevents contamination or mechanical damage to the end surface of the optical cable, which would otherwise impair optical transmission.
Installation
Installation in reverse order: install glove box. Follow the further instructions on the display of the tester with the new diagnostic interface data bus -J533-.
Connector on data bus diagnostic interface -J533-
Connecting the MOST optical bus (optical cable) - pos. A-
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- 1. Login
- 2. Exit
Multi-pin plug connection, 20-pin - pos. IN-
- 1. Battery + (terminal 30)
- 2. LIN 1
- 3. ACC-Rel.
- 4. ELV
- 5. CAN bus Low (comfort)
- 6. CAN bus Low (drive unit)
- 7. CAN bus Low (extended)
- 8. CAN bus Low (combi)
- 9. CAN bus Low (diagnostics)
- 10. Screen (MOST bus diagnostics)
- 11. Weight - (terminal 31)
- 12. LIN2
- 13. Wake-up signal of instrument cluster
- 14. Terminal 15
- 15. CAN bus High (comfort)
- 16. CAN bus High (drive unit)
- 17. CAN High bus (Extended)
- 18. CAN bus High (combi)
- 19. CAN bus High (diagnostics)
- 20. Screen
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