This Regulation applies to the behaviour of the steering mechanism of motor vehicles of category M1, and vehicles of category N1, with the maximum. ECE UNIFORM PROVISIONS CONCERNING THE APPROVAL OF: VEHICLES WITH REGARD TO STEERING EQUIPMENT Incorporating: Supplement 1. Regulation No 79 of the Economic Commission for Europe of the United Nations (UN/ECE) — Uniform provisions concerning the approval of vehicles with.

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See more related meetings. An approval number shall be assigned to each type approved. The normal frequency of these verifications shall be once every two years. A vehicle representative of the vehicle type to be approved shall be submitted to the technical service responsible for conducting approval tests.

An outline schematic showing these units in combination, shall be provided with both the equipment distribution and the interconnections made clear. The verification results shall correspond with the documented summary of the failure analysis, to a level of overall effect such that the safety concept and execution are confirmed as being adequate.

A function which is over-ridden becomes part of the complex system. Every modification of the vehicle type shall be notified to the approval authority which granted the approval. Energy supply The same energy supply may be used for the steering equipment and other systems.

A general cut-off of the ASE electrical or hydraulic control. Uniform Provisions Concerning the Approval of: For example, lane-keeping assistance systems propose to ecf in the steering of the vehicle in order to maintain the vehicle within a lane of travel.

Control systems The requirements of Annex 6 shall be applied to the safety aspects of electronic vehicle control systems that provide or form part of the control transmission of the steering function including advanced driver assistance steering systems.

Each unit shall be clearly and unambiguously identifiable e. Then the Technical Service will choose this test speed.

ECE regulations: ECE R Supplement 4

Steering equipment in which the steering forces result solely from one or more energy supplies when the equipment is intact, but in which the steering forces can be provided by the muscular effort of the driver alone if there is a fault in the steering integrated power systemsis also considered to be power assisted steering equipment.


Protection of steering transmission. Pay securely by credit card and your documents are delivered directly and immediately to your computer as PDF files.

Annex 2 to this Regulation gives examples of arrangements of approval marks.

The same Contracting Party shall not assign this number to another vehicle type or to the same vehicle type submitted with different steering equipment from that described in the documents required by paragraph 3. Essential systems shall comprise at least lighting systems, windscreen wipers, engine management and braking systems. This Regulation does not apply to: Priorities of signals on multiplexed data paths shall be stated wherever priority may be an issue affecting performance or safety as far as this Regulation is concerned.

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Steering effort required to achieve a turning circle of 12m radius with an intact system and 20m radius with a system in the failed condition Autonomous Steering Systems as defined in Paragraph 2. The approval granted in respect of a vehicle type pursuant to this Regulation may be withdrawn if the requirement laid down in paragraph 7.

A second sce in the development of this rule is underway to address the following: Special provisions for trailers 5. The regulation also lays out special requirements for other special-use buses and vans such as mobile libraries. The test manoeuvres shall begin at an energy storage level given in Paragraph 5. Provisions for trailers 6. The requirements of Annex 6 shall be applied to the safety aspects of electronic vehicle control systems that provide or form part of the control transmission of the steering function including advanced driver assistance steering systems.

The approval mark shall be placed rce to or on the vehicle data plate affixed by the manufacturer.

Full power steering systems ede to trailers where the energy necessary for operation is transmitted from the towing vehicle; 1. System layout and schematics 3. Any fault which impairs the steering function and is not mechanical in nature must be signalled clearly to the driver of the vehicle. In systems dependent on an energy supply. Special provisions for full-power steering equipment 5.


The marking shall be indelible and positioned so that it is visible when connecting the electrical interface referenced in Paragraph 2. The following text extract indicates the scope of the document, but does not represent the actual PDF content. The approval numbers indicate that, at the dates when the respective approvals were given, Regulation No.

Wiring and Connectors 2. GRSP is expected to consider an informal proposal, addressing all issues, including a draft Addendum 1 to the M. A list of all input and sensed variables shall be provided and the working range of these defined. The above approval mark affixed to a vehicle shows that the vehicle type concerned has, with regard to steering equipment, been approved in the Netherlands E4 pursuant to Regulation No.

The maximum permitted steering time and the maximum permitted steering control effort with intact steering equipment are given in the table below for each category of vehicle. Expand all Collapse all. Where the failure of any such part would be likely to result in loss of control of the vehicle, that part must be made of metal or of a material with equivalent characteristics and must not be subject to significant distortion in normal operation of the steering system.

Proposal for amendments Document Reference Number: In the case of electrically powered systems subject to Annex 6, this level shall be the worst case situation outlined by the manufacturer in the documentation submitted in connection with Annex 6 and shall take into account the effects of e.

System Layout and Schematics 3. However, systems or functions, that use the steering system as the means of achieving a higher level objective, are subject to Annex 6 only insofar as they have a direct effect on the steering system. The intention of the Sce is to ecr uniform provisions for the layout and performance of steering systems fitted to vehicles used on the road. If alignment is not retained automatically, the trailer must be equipped with a suitable adjustment facility for maintenance.