Additional checks
The following additional checks shall be carried out with the engine disconnected, with the vehicle laden and unladen:
5.3.1. The wheels directly controlled by an anti-lock system shall not lock when the full force8 is suddenly applied on the control device, on the road surfaces specified in paragraph 5.2.2. of this annex, at an initial speed of v = 40 km/h and at a high initial speed v = 0.8 vmax 120 km/h;9