Distr.

GENERAL

TRANS/WP.29/GRSG/2000/12

20 July 2000

Original: ENGLISH

ECONOMIC COMMISSION FOR EUROPE

INLAND TRANSPORT COMMITTEE

World Forum for Harmonization of Vehicle Regulations (WP.29)

Working Party on General Safety Provisions (GRSG)

(Seventy-ninth session, 16-20 October 2000,

agenda items 8.,and 10.)

PROPOSAL FOR DRAFT AMENDMENTS TO:

REGULATION No. 97 (Vehicle alarm systems), and

DRAFT REGULATION ON THE PROTECTION OF M1 AND N1 CATEGORIES

OF VEHICLES AGAINST UNAUTHORIZED USE (TRANS/WP.29/2000/3)

Transmitted by the Expert from the United Kingdom

Note: The text reproduced below was prepared by the expert from the United Kingdom with the aim of clarifying the requirements for the fitting of immobilizers that prevent the release of pneumatically controlled spring brakes. It is based on two documents distributed without a symbol (informal documents Nos. 18 and 20) during the seventy-eighth session (TRANS/WP.29/GRSG/57

para. 65). For Regulation No. 97 this document refers to its 01 series of amendments, and for the draft Regulation to document TRANS/WP.29/2000/3.

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Note: This document is distributed to the Experts on General Safety Provisions only.

GE.00-

Regulation No. 97,

Insert a new paragraph 31.10., and its corresponding footnote 8/, to read:

"31.10.	It shall not be possible for an immobilizer to prevent the release of the brakes of the vehicle, except in the case of an immobilizer which prevents the release of pneumatically released spring

brakes 8/ and functions in such a way that in normal operation, or in failure conditions, the technical requirements of Regulation No. 13 in force at the time of application for type approval under this Regulation are satisfied.

Compliance with this paragraph does not exempt an immobilizer which prevents the release of pneumatically released spring brakes from the technical requirements set out in this Regulation.

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8/ As defined in annex 8 of ECE Regulation No. 13, as amended"

Paragraph 32.1.1.1., amend to red:

" ....... fuel supply, pneumatically released spring brakes, etc.);"

Draft Regulation on the protection of M1 and N1 categories of vehicles against unauthorized use,

Paragraph 8.2.10., amend to read (footnote 9/ is not amended):

"8.2.10.	It shall not be possible for an immobilizer to prevent the release of the brakes of the vehicle, except in the case of an immobilizer which prevents the release of pneumatically released spring brakes 9/ and functions in such a way that in normal operation, or in failure conditions, the technical requirements of Regulation No. 13 in force at the time of application for type approval under this Regulation are satisfied.

Compliance with this paragraph does not exempt an immobilizer which prevent the release of pneumatically released spring brakes from the technical requirements set out in this Regulation."

Paragraph 8.3.1.1.1., amend to read:

" ....... fuel supply, pneumatically released spring brakes, etc.);"

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