# 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 4.1: Headlamps

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

4.1.1.
Condition and operation
Visual inspection and by operation.
(a)
Defective or missing light/light source.(multiple light/light sources; in the case of LED, up to 1/3 not functioning).
X
Single light/light sources; in the case of LED, seriously affected visibility.
X
(b)
Slightly defective projection system (reflector and lens).
X
Heavily defective or missing projection system (reflector and lens).
X
Item
Method
Reasons for failure
Assessment of deficiencies
Minor
Major
Dangerous
(c)
Lamp not securely attached.
X
4.1.2.
Alignment
Determine the horizontal aim of each headlamp on dipped beam using a headlamp aiming device or using the electronic vehicle interface.
(a)
Aim of a headlamp not within limits laid down in the requirements 1 .
X
(b)
System indicates failure via the electronic vehicle interface.
X
4.1.3.
Switching
Visual inspection and by operation or using the electronic vehicle interface
(a)
Switch does not operate in accordance with the requirements 1 (Number of headlamps illuminated at the same time)
X
Maximum permitted light brightness to the front exceeded.
X
(b)
Function of control device impaired.
X
(c)
System indicates failure via the electronic vehicle interface.
X
4.1.4.
Compliance with requirements 1 .
Visual inspection and by operation.
(a)
Lamp, emitted colour, position, brightness or marking not in accordance with the requirements 1 .
X
(b)
Products on lens or light source which obviously reduce light brightness or change emitted colour.
X
(c)
Light source and lamp not compatible.
X
4.1.5.
Levelling devices (where mandatory)
Visual inspection and by operation, if possible, or using the electronic vehicle interface.
(a)
Device not operating.
X
(b)
Manual device cannot be operated from driver's seat.
X
(c)
System indicates failure via the electronic vehicle interface.
X
Item
Method
Reasons for failure
Assessment of deficiencies
Minor
Major
Dangerous
4.1.6.
Headlamp cleaning device (where mandatory)
Visual inspection and by operation if possible.
Device not operating.
X
In the case of gas-discharging lamps.
X

---
Source: https://www.legislation.gov.uk/eudr/2014/45/annex/I/division/3/division/4/division/4.1 (the official version)
Page: https://openlegislation.uk/eu-directive-2014-45/annex-I/division-3/division-4/division-4.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.