OBDonUDS (SAE J1979-2 / SAE J1979-3)

This user view is used to query and display OBD-relevant data.

Diagnostic Services (SAE J1979-2 / SAE J1979-3)

The OBDonUDS standard SAE J1979-2 and ZEVonUDS standard SAE J1979-3 make use of UDS protocol services as defined in ISO14229-1.

The following UDS services are used by the OBD user view to acquire diagnostic data:

The additional OBDonUDS service $31 “Request Control of On-Board System, Test, or Component Service” is not provided by the OBD user view but can be used in the Diagnostic Services user view.

Grouping into Different Tabs

The information in the "OBD" user view is distributed to different tabs for reasons of clarity. This division does not, however, take place strictly in accordance with the functionality of the individual services, but is user-oriented.

These are:

For more general information on user views, see also the sections