UN R131 change reports — Advanced emergency braking systems (AEBS)
UN Regulation No. 131 (ECE R131) — Uniform provisions concerning the approval of motor vehicles with regard to the Advanced Emergency Braking System (AEBS) for M2, M3, N2 and N3 vehicles.
02 series
- 02 series — Supplement 4
At the request of the manufacturer, vehicles “of Category M2, and for those of Category M3 / N2 with a maximum mass below or equal to 8,000 kg, not equipped with a pneumatic braking system” can be approved if they meet “paragraph 5. of the 02 or later series of amendments to UN Regulation No. 152”, subject to conditions.
- 02 series — Supplement 3
Paragraph 6.11.1. allows virtual testing, by request of the vehicle manufacturer, as an alternative for some tests described in paragraphs 6.4. to 6.6.
- 02 series — Supplement 2
Paragraph 5.4.1.1. now requires the AEBS function to be automatically reinstated “at each initiation of the powertrain”, instead of “at the initiation of each new engine start (or run cycle, as relevant)”.
- 02 series — Supplement 1
The AEBS function must now be automatically reinstated at each new engine start (or run cycle, as relevant), not each new ignition cycle (para. 5.4.1.1.).
- 02 series — Base text
Paragraph 5.2.2. now covers a vehicle to pedestrian scenario, with requirements for collision warning, emergency braking, speed range and speed reduction.
01 series
- 01 series — Supplement 4
Paragraph 5.4.1. now requires the AEBS function to be automatically reinstated “at each initiation of the powertrain”, instead of “at the initiation of each new engine start (or run cycle, as relevant)”.
- 01 series — Supplement 3
Paragraphs 6.4.2.3. and 6.5.2.3. are deleted. They limited speed reduction in the warning phase to 15 km/h or 30 per cent of the total subject vehicle speed reduction, whichever was higher.