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GB/T 24931-2025 English PDF

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GB/T 24931-2025: Prescription for installation of the external lighting and light-signalling devices for the all-terrain vehicles
Status: Valid

GB/T 24931: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 24931-2025English619 Add to Cart 5 days [Need to translate] Prescription for installation of the external lighting and light-signalling devices for the all-terrain vehicles Valid GB/T 24931-2025
GB 24931-2010English549 Add to Cart 4 days [Need to translate] [GB/T 24931-2010] Prescription for installation of the external lighting and light-signalling devices for the all-terrain vehicles Valid GB 24931-2010

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Basic data

Standard ID GB/T 24931-2025 (GB/T24931-2025)
Description (Translated English) Prescription for installation of the external lighting and light-signalling devices for the all-terrain vehicles
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard T38
Classification of International Standard 43.040.20
Word Count Estimation 30,368
Date of Issue 2025-04-25
Date of Implementation 2025-11-01
Older Standard (superseded by this standard) GB/T 24931-2010
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 24931-2025: Prescription for installation of the external lighting and light-signalling devices for the all-terrain vehicles


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
National Standard of the People's Republic of China ICS 43.040.20CCS T 38 Installation regulations for lighting and light signaling devices for all-terrain vehicles Prescription for installation of the external lighting and light⁃signalling devices for the all⁃terrain vehicles 2025-04-25 Release 2025-11-01 Implementation State Administration for Market Regulation The National Standardization Administration issued Replace GB/T 24931-2010

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting is required. This document replaces GB/T 24931-2010 "Installation requirements for lighting and light signal devices for all-terrain vehicles" and is compatible with GB/T 24931- Compared with.2010, in addition to structural adjustments and editorial changes, the main technical changes are as follows. a) Added the term and definition of "step light" (see 3.2); b) Add the vertical inclination requirements and measurement methods for the dipped beam headlights (see 5.2.5.2); c) The installation conditions of some lamps have been changed (see Table 1, Table 1 of the.2010 edition); d) The number of lamps installed, the number of brake lights, the number of side reflectors, etc. have been changed (see Chapter 5); e) Added the installation requirements for daytime running lights (see 5.14); f) The illustrations of the definition of the luminaire surface, reference axis, reference center and collective visibility angle have been deleted (see Appendix A of the.2010 edition); g) The horizontal angle of geometric visibility of turn signal lamps has been deleted (see Appendix C of the.2010 edition); h) Added the environmental requirements for automatic switching of low beam headlights (see Appendix B); i) Added the requirements for the configuration and light color of all-terrain vehicle lamps (see Appendix C); j) Added the calculation method of the vertical inclination of the near-brightness cut-off line and the inclination of the center of the ADB maximum illumination area (see Appendix D); k) The apparent surface observation area of the step lights has been increased (see Appendix E). Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed and coordinated by the National Technical Committee for Standardization of Four-wheeled All-terrain Vehicles (SAC/TC 344). This document was drafted by. Shanghai Motor Vehicle Inspection and Certification Technology Research Center Co., Ltd., China Quality Certification Center Co., Ltd., Zhejiang Qianjiang Motorcycle Co., Ltd., Zhejiang Chunfeng Power Co., Ltd., Jiangsu Linhai Power Machinery Group Co., Ltd., Tianjin Motorcycle Quality Quality Supervision and Inspection Institute, Hubei Boli Special Automobile Equipment Co., Ltd., Zhejiang Jinye Auto Parts Co., Ltd., Hubei Jiangnan Special Automobile Co., Ltd., Shenzhen Cross-Strait Semiconductor Technology Co., Ltd., Guangzhou Hanma Electronic Technology Co., Ltd., Zhejiang Taotao Automobile Co., Ltd. company. The main drafters of this document are. Wang Jiajia, Liu Huamin, Yuan Jianjun, Chen Zhiyong, Dai Lei, Li Gang, Cheng Xiucui, Liu Zihao, Gan Zilin, Fang Gan, Fan Shijun, Cao Matao. This document was first published in.2010 and this is the first revision. Installation regulations for lighting and light signaling devices for all-terrain vehicles

1 Scope

This document specifies the general requirements, special provisions, inspection rules, and the same type of external lighting and light signaling devices for all-terrain vehicles. Judgment, etc. This document applies to the installation and inspection of external lighting and light signaling devices on all-terrain vehicles.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB 4785 Regulations for the installation of external lighting and light signal devices for motor vehicles and trailers GB 15365 Graphic symbols for controls, indicators and signal devices for motorcycles and mopeds GB/T 24926 Braking performance requirements and test methods for all-terrain vehicles GB/T 24936 Terminology of all-terrain vehicles

3 Terms and definitions

The terms and definitions defined in GB 4785, GB/T 24936 and the following apply to this document. 3.1 Overall width The distance between two planes parallel to the longitudinal plane of the vehicle and in contact with the vehicle. Note. Except for the rearview mirrors, all fixed parts and lateral projections of the vehicle are between these two planes. 3.2 Exterior courtesy lamp A lamp that provides auxiliary lighting for vehicle drivers and passengers when getting on or off the vehicle or loading and unloading cargo.

4 General requirements

4.1 The installation of lighting and light-signaling devices shall, under normal use, comply with the requirements of this document for each device and even if they are subject to vibration. Vehicle requirements. 4.2 The installation of lighting devices should facilitate the correct adjustment of their aiming. 4.3 The reference axis of all lighting and light signal devices installed on the vehicle should be parallel to the parking surface of the vehicle on the road. The reference axis of all lighting and light signal devices, except for reflectors, shall be parallel to the longitudinal symmetry plane of the vehicle; the reference axis of the side retro-reflectors shall be parallel to the longitudinal symmetry plane of the vehicle. It should be perpendicular to the longitudinal symmetry plane of the vehicle. The tolerance in each direction is ±3°. 4.4 When checking the installation height and direction of the lamps, the vehicle to be tested should be unloaded and placed on a level surface, with its longitudinal symmetry plane vertical and the steering Put the front wheels in the forward-facing straight-ahead position. The tire inflation pressure shall be in accordance with the vehicle manufacturer's regulations. 4.5 The installation of single or multiple lamps on a vehicle shall meet the following requirements. a) For a single mounted lamp, its reference centre shall be located on the longitudinal symmetry plane of the vehicle, except in the following cases.

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