Information Bus

Data Bus On Board Diagnostic Interface (J533), Connector Assignments

20-pin Connector






1. Battery "+" (terminal 30)

2. Battery "+" (terminal 30)

3. Reserved for external diagnosis

4. Reserved for K-lead

5. Comfort CAN bus Low

6. Powertrain CAN bus Low

7. Reserved for shielding

8. CAN Bus instrument cluster Low

9. Diagnostic CAN bus Low

10. CAN-Bus Infotainment Low

11. Ground (GND) "-" (terminal 31)

12. Ground (GND) "-" (terminal 31)

13. Instrument cluster prompt input

14. Terminal 15

15. Comfort CAN bus high

16. Power CAN bus high

17. Reserved for shielding

18. CAN Bus instrument cluster High

19. Diagnostic CAN bus High

20. CAN-Bus Infotainment High