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Commission Delegated Regulation (EU) No 44/2014Show full title
Commission Delegated Regulation (EU) No 44/2014 of 21 November 2013 supplementing Regulation (EU) No 168/2013 of the European Parliament and of the Council with regard to the vehicle construction and general requirements for the approval of two- or three-wheel vehicles and quadricycles (Text with EEA relevance)
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2. OBD stage I and stage II
2.1.OBD stage I.
2.1.1.The technical requirements of this Annex shall be mandatory for L-category vehicles equipped with an OBD stage I system as set out in Article 21 of, and Annex IV to Regulation (EU) No 168/2013. This obligation concerns compliance with all subsequent points with the exception of those specifying OBD stage II requirements in points 2.2 and 2.3.
2.2.OBD stage II
2.2.1.An L-category vehicle may be equipped with an OBD stage II system if the manufacturer so chooses.
2.2.2.Where an OBD stage II system is fitted, the technical requirements of this Annex shall apply. This concerns in particular the applicable points listed in Table 12-1.
| Table 12-1 | |
| OBD stage II functions and associated requirements in the points of this Annex and Appendix 1 | |
| Topic | Paragraphs in this Annex and Appendix 1 |
|---|---|
| Catalytic converter monitoring | 3.3.3.1/3.3.4.1 |
| EGR efficiency/flow monitoring | 3.3.4.4 |
| In-use performance monitoring | point 4 of Appendix 1 |
| Misfire detection | 3.3.3.2/3.5.3/3.6.2/3.7.1/3.1.2 of Appendix 1 |
| NOx after-treatment system monitoring | 3.3.4.5/3.3.4.6 |
| Oxygen sensor deterioration monitoring | 3.3.3.3 |
| Particulate filter monitoring | 3.3.4.2. |
| Particulate matter (PM) emission monitoring | 3.3.3.5. |
2.3.Electric circuit diagnostic
2.3.1.For the purposes of points 3.3.5 and 3.3.6 the electric circuit and electronic failure diagnostics with regard to OBD stage I and/or II shall at a minimum contain the sensor and actuator diagnostics as well as the internal diagnostics of the electronic control units listed in Appendix 2.
2.3.2.Non-continuously running electric circuit monitoring diagnostics, i.e. those electric circuit monitoring diagnostics that will run until their tests have passed on a non-continuous basis, and completion of point 3.3.6 for the items included in Appendix 2, shall be part of OBD stage II.
2.3.3.By 31 December 2018, the list in Appendix 2 shall be reviewed and updated for technical progress if deemed necessary. Any malfunctions of supplemental devices to be monitored shall be applicable for OBD stage II in addition to those already identified in the table.
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