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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When a failure occurs, a change in the average steering ratio is permissible if the steering effort given in paragraph 6. Brief description of the steering equipment: Our fast and easy means of purchasing up-to-date global vehicle and component standards and regulations on a pay-as-you-go basis.

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. This document is an excerpt from the EUR-Lex website. We do not re-word, summarise, cut or interpret the regulatory documents.

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If applicable, name and address of manufacturer’s representative If such systems are provided, they shall not be deactivated during type approval testing of the steering system. The measurement of steering efforts on motor vehicles with a failure in the steering equipment. Penalties for Non-conformity ecr Production 9. This equipment is generally electrical but may, in some part, be mechanical, pneumatic or hydraulic.

There shall be affixed, conspicuously and in a readily accessible place specified on the approval form, to every vehicle conforming to a vehicle type approved under this Regulation, an international approval mark consisting of:. Power-driven vehicles shall be capable of providing steering failure and defect warning signals, as follows: GRSP is expected to consider an informal proposal, addressing all issues, including a draft Addendum 1 to the M.

Autonomous Steering Systems as defined in Paragraph 2. Advancing technology, coupled with the wish to improve occupant safety by elimination of the mechanical steering column, and the production advantages associated with easier transfer of the steering control between left and right hand drive vehicles, has led to a review of the traditional approach and the Regulation is now amended to take account of the new technologies.

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The hydraulic lines of hydraulic transmission shall be capable of a burst pressure at least four times the maximum normal service pressure T specified by the vehicle manufacturer.

Systems that do not themselves positively actuate the steering system but that, possibly in conjunction with passive infrastructure features, simply warn the driver of a deviation from the ideal path of the vehicle, or of an unseen hazard, by means of a tactile warning transmitted through the steering control, are also considered to be corrective steering.

Unless otherwise specified, it will be assumed that for the purpose of this Regulation, not more than one failure can occur in the steering equipment at any one time and two axles on one bogie shall be considered as one axle. Aimed particularly at reducing injuries to the elderly, the test sets a 42 mm ThCC threshold that will be strengthened to 34 mm for the HIII 5F in via the 01 series amendments.

Consider that the modifications made are unlikely to have an appreciable adverse effect and that in any case the vehicle still complies with the requirements; or 9. This period must not exceed 10 years counted from the time when production is definitely discontinued.

In the case of any systems that use electrical energy for part or all of the energy supply, all performance tests shall be carried out under conditions of actual or simulated electrical load of all essential systems or systems components which share the same energy supply.

GAR | Steering Equipment

The test described in paragraph 6. Testing requirements for failure 2. Pay securely by credit card and your documents are delivered directly and immediately to your computer as PDF files. It must be possible to verify in a simple way the correct operational status of those Electronic Systems, which have control over steering.


All InterRegs documents are formatted as PDF files and contain the full text, tables, diagrams and illustrations of the original as issued by the national government authority. For steering equipment in which the steering forces are provided solely or partly by the muscular effort of the driver the steering control includes all parts up to the point where the steering effort is transformed by mechanical, hydraulic or electrical means.

After that point the trailer must fulfill the condition specified in Paragraph 6.

ECE regulations: ECE R Supplement 4

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. Such systems, often controlled by software, are built from discrete functional components such as sensors, electronic control units and actuators and connected by transmission links.

A function which is over-ridden becomes part of the complex system.

Secondary and residual efficiency Category. 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.

Vehicles fitted with hydraulic steering transmission, in addition to the requirements given in the body of this Regulation shall also comply with fce provisions of this Annex.

R97 comprises the electrical wiring and connector and includes the parts for data communication and the electrical energy supply for the trailer control transmission. A function which is over-ridden becomes part of the complex system. Provisions for trailers 6. The measurement of steering efforts on motor vehicles with intact steering equipment.

When the system is not deactivated by the driver, e.