# Directive 2014/45/EU of the European Parliament and of the Council of 3 April 2014 on periodic roadworthiness tests for motor vehicles and their trailers and repealing Directive 2009/40/EC (Text with EEA relevance), Division 1.3: Secondary (emergency) braking performance and efficiency (if met by separate system)

Extent: E+W+S+N.I.

1.3.1.
Performance
If the secondary braking system is separate from the service braking system, use the method specified in 1.2.1.
(a)
Inadequate braking effort on one or more wheels.
X
No braking effort on one or more wheels.
X
(b)
Braking effort from any wheel is less than 70 % of the maximum effort recorded from another wheel on the same axle specified. Or, in the case of testing on the road, the vehicle deviates excessively from a straight line.
X
Braking effort from any wheel is less than 50 % of the maximum effort recorded from the other wheel on the same axle in the case of steered axles.
X
(c)
No gradual variation in brake effort (grabbing).
X
1.3.2.
Efficiency
If the secondary braking system is separate from the service braking system, use the method specified in 1.2.2.
Braking effort less than 50 % ( 6 ) of the service brake performance defined in section 1.2.2 in relation to the maximum authorized mass.
X
Less than 50 % of the above braking effort values reached.
X

---
Source: https://www.legislation.gov.uk/eudr/2014/45/annex/I/division/3/division/1/division/1.3 (the official version)
Page: https://openlegislation.uk/eu-directive-2014-45/annex-I/division-3/division-1/division-1.3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.