Division 2.2.1.17.2

The automatic braking in point 2.2.1.17.1 shall be considered to be met when the following conditions are fulfilled:

1. 2.2.1.17.2.1.

   When the designated brake control device of the ones mentioned in point 2.2.1.17.1, is fully actuated, the pressure in the supply line shall fall to 150 kPa within the following two seconds; in addition, when the brake control device is released, the supply line shall be re-pressurised.

2. 2.2.1.17.2.2.

   When the supply line is evacuated at the rate of at least 100 kPa per second the automatic braking of the towed vehicle shall start to operate before the pressure in the supply line falls to 200 kPa.