Specifications

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2) For equipment which has a connection to one or more of the vehicle’s data buses (e.g. ECU, CAN
bus), the equipment or system must carry a type approval mark (‘e’ mark).
Vehicle data buses, especially the CAN bus, also control certain safety functions. Connection to such a
data bus must be done in a proper manner with suitable equipment in order to maintain the integrity of
the bus in question.
It is recommended that the advice of the vehicle manufacturer is sought before making such electrical
connections to data buses, see section 2.7.
For equipment which is CE marked as per 1) above, the requirement is that the Declaration of Conformity
(DoC) must demonstrate that the equipment has fulfilled the EMC requirements from the relevant parts of
the 2004/104/EC Automotive EMC directive. Therefore, when the equipment is CE marked, it should be
verified by the installer that this condition has been met.
• Verification can be done can be done by requesting copies of the equipment’s declaration of
conformity from the equipment’s manufacturer, supplier or importer
o Either
 Look for a phrase in the declaration of conformity similar to “The product is in
compliance with the essential requirements of Annex I, 3.2.9 of the 2004/104/EC
Automotive Directive”
And/or
 Check the scope of the standards listed in the declaration to which the equipment
meets match the Automotive Directive requirements.
See Appendix I for an example Declaration of Conformity
2.2.2.2. New equipment for buses, trucks & agricultural vehicles
For installations of new radio equipment into buses, trucks and agricultural vehicles registered for road
use the presence of an ‘e’ approval mark is not legally required but is recommended.
See section 2.2.4 below for more information on specialised vehicles.
2.2.3. Compliance requirements, legacy equipment
For legacy equipment, i.e. second hand or that which is being moved from one vehicle to another,
provided the equipment was first taken into service before October 1
st
2002, there is no legal requirement
for any compliance marking.
2.2.4. Specialised vehicle compliance requirements
Vehicles which fall into the following categories:
• carrying dangerous goods (such as petrol, gas, fertiliser or sugar)
• subject to ADR
• emergency service vehicles
• agricultural equipment
• mobile machinery
• hybrid, electric and gas-propelled vehicles
may be subject to further safety regulations e.g. specific intrinsically safe and petrochemical
specifications. In the case of the first two in the list, and in the interest of safety, the instructions and
advice from the Energy Institute must be followed. See appendices B and C for sources of information in
this respect, see section 2.2.5 for further requirements with vehicles carrying dangerous goods.
Motorcycles are also classed as special vehicles and appropriate advice should be taken as per section
2.2.8.