Now an integral part of emission control and monitoring in the USA, the On-Board Diagnostics (OBD II) system will also be introduced within the European Union under the name Euro-On-Board Diagnostics (EOBD) from 1st January, 2000. In this Self-Study Programme, we will show you new monitored vehicle systems and the associated diagnostics, taking Self-Study Programme 175 „On-Board Diagnostics II in the New Beetle (USA)“ as the basis.