From the dates set out in point 1.8.2 of Annex IV, vehicle (sub-)categories L3e to L7e shall be equipped with an OBD stage I system which monitors for any electric circuit and electronics failure of the emission control system and which is triggered when the emission thresholds as laid down in Annex VI (B2) are being exceeded.
Ó na dátaí a leagtar amach i bpointe 1.8.2 d’Iarscríbhinn IV, déanfar feithiclí de (fho-)chatagóirí L3e go L7e a fheistiú le córas DAB céim I a dhéanann faireachán i gcomhair aon chliseadh sa chiorcad leictreach nó sa chóras leictreonaic ar an gcóras rialaithe astaíochta agus a dhúisítear nuair a sháraítear na tairseacha astaíochta mar a leagtar síos in Iarscríbhinn VI (B2).