Description of On-Board Diagnostics

General Information

As a running change during m.y. 2001, instrument clusters are integrated into the vehicle CAN Data Bus network (may also be know as "CAN-Bus" or "Data-Bus").

The CAN-Bus On Board Diagnostic (OBD) interface -J533- (which is integrated into the instrument cluster) enables data to be exchanged between the vehicle CAN-Bus network and the Data Link Connector (DLC) "K-wire".

The CAN-Bus On Board Diagnostic (OBD) interface -J533- has specific On Board Diagnostic (OBD) capabilities via address word 19 "Gateway", and must always be coded separately from the instrument cluster. Programming and Relearning