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GB/T 41590.1-2022 PDF in English


GB/T 41590.1-2022 (GB/T41590.1-2022, GBT 41590.1-2022, GBT41590.1-2022)
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GB/T 41590.1-2022: PDF in English (GBT 41590.1-2022)

GB/T 41590.1-2022 NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 43.180 CCS R 17 GB/T 41590.1-2022 / ISO 14230-1.2012 Road Vehicles – Diagnostic Communication over K-Line (DoK-Line) – Part 1.Physical Layer (ISO 14230-1.2012, IDT) ISSUED ON. JULY 11, 2022 IMPLEMENTED ON. FEBRUARY 01, 2023 Issued by. State Administration for Market Regulation; Standardization Administration of the People’s Republic of China. Table of Contents Foreword... 3 Introduction... 4 1 Scope... 6 2 Normative References... 6 3 Terms, Definitions, Symbols and Abbreviated Terms... 7 3.1 Terms and definitions... 7 3.2 Abbreviated terms... 7 4 Conventions... 7 5 Document Overview... 8 6 Vehicle to External Test Equipment Connection... 8 6.1 K- and L-line configurations... 8 6.2 Configuration requirements... 9 7 Signal and Communication Specifications... 10 7.1 Signal... 10 7.2 Communication specification... 11 8 Requirements of External Test Equipment... 12 8.1 Minimum functional requirements... 12 8.2 Electrical specifications... 12 9 Requirements of ECU... 13 9.1 Minimum functional requirements... 13 9.2 Input and output lines... 14 9.3 Electrical specifications... 14 9.4 Minimum functional capabilities... 15 10 Wiring Requirements... 15 Bibliography... 16 Foreword This Document was drafted as per the rules specified in GB/T 1.1-2020 Directives for Standardization – Part 1.Rules for the Structure and Drafting of Standardizing Documents. This Document was Part 1 of GB/T 41590 Road Vehicles – Diagnostic Communication over K- Line (DoK-Line). GB/T 41590 has published the following parts. --- Part 1.Physical Layer; --- Part 2.Data Link Layer; --- Part 3.Application Layer; --- Part 4.Requirements for Emission-Related Systems. This Document equivalently adopts ISO 14230-1.2012 Road Vehicles – Diagnostic Communication over K-Line (DoK-Line) – Part 1.Physical Layer. Please note some contents of this Document may involve patents. The issuing agency of this Document shall not assume the responsibility to identify these patents. This Document was proposed by the Ministry of Industry and Information Technology of the People’s Republic of China. This Document shall be under the jurisdiction of National Technical Committee of Auto Standardization (SAC/TC 114). Drafting organizations of this Document. Zhejiang Geely Holding Group Co., Ltd.; Dongfeng Motor Group Company Limited; China FAW Group Co., Ltd.; Great Wall Motor Company Limited; Pan-Asia Technical Automotive Center Co., Ltd.; Huizhou Desay SV Automotive Co., Ltd.; Xingkedi Technology (Taizhou) Co., Ltd.; FAW-Volkswagen Automotive Co., Ltd.; SAIC GM Wuling Automobile Company Limited; Chery Automobile Co., Ltd.; CATARC Automotive Test Center (Tianjin) Co., Ltd.; and CATARC (Tianjin) Automotive Engineering Research Institute Co., Ltd. Chief drafting staffs of this Document. Xia Liping, Niu Yujiao. Yao Zaiqi, Chen Jinghua, Li Yan, Wang Zhen, Hong Yu, Liu Bin, Sun Wang, Wu Yuzhi, Shi Xiaomi, Zhang Dingyu, Gao Changbin, Liu Le, Han Guangsheng, Wang Cong, Xing Baojia, Li Dongdong, Sun Zhilei, and Wang Lichong. Road Vehicles – Diagnostic Communication over K-Lin (DoK-Line) – Part 1.Physical Layer 1 Scope This Document specifies the physical layer, based on ISO 9141 (all parts), on which the diagnostic services shall be implemented. This Document is based on the physical layer described in ISO 9141-2, but expanded to allow for road vehicles with either 12 V D.C. or 24 V D.C. voltage supply. NOTE. In this Document, values given in parentheses apply to 24 V D.C. systems. 2 Normative References The provisions in following documents become the essential provisions of this Document through reference in this Document. For the dated documents, only the versions with the dates indicated are applicable to this Document; for the undated documents, only the latest version (including all the amendments) is applicable to this Document. ISO 7637-1 Road Vehicles – Electrical Disturbances from Conduction and Coupling – Part 1.Definitions and General Considerations NOTE. GB/T 21437.1-2021 Road Vehicles - Test Method of Electrical Disturbances from Conduction and Coupling - Part 1.Definitions and General Considerations (ISO 7637-1.2015, MOD) ISO 7637-2 Road Vehicles – Electrical Disturbances from Conduction and Coupling – Part 2.Electrical Transient Conduction along Supply Lines Only NOTE. GB/T 21437.2-2021 Road Vehicles - Test Method of Electrical Disturbances from Conduction and Coupling - Part 2.Electrical Transient Conduction along Supply Lines Only (ISO 7637-2.2011, MOD) ISO/IEC 10731 Information Technology – Open Systems Interconnection – Basic Reference Model – Conventions for the Definition of OSI Services NOTE. GB/T 17967-2000 Information Technology - Open Systems Interconnection - Basic Reference Model - Convention for the Definition of OSI Services (idt ISO/IEC 10731.1994) ISO 14230-2 Road Vehicles – Diagnostic Communication over K-Line (DoK-Line) – Part 2.Data Link Layer NOTE. GB/T 41590.2-2022 Road Vehicles – Diagnostic Communication over K-Line (DoK-Line) – Part 2.Data Link Layer (ISO 14230-2.2016, IDT) ISO 15031-2 Road Vehicles – Communication between Vehicle and External Equipment for Emissions-Related Diagnostics – Part 2.Guidance on Terms, Definitions, Abbreviations and Acronyms 3 Terms, Definitions, Symbols and Abbreviated Terms 3.1 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 15031-2 and the following apply. 3.1.1 Rise time < Transmitters> time taken for the voltage to change from 20% VB to 80% VB, where VB is the vehicle battery voltage. 3.1.2 Fall time < Transmitters> time taken for the voltage to change from 80% VB to 20% VB, where VB is the vehicle battery voltage 3.2 Abbreviated terms CECU. capacitance contribution of electronic control unit. COBW. Capacitance contribution of on-board wiring. CTE. Capacitance contribution of external test equipment and associated cables. VB. vehicle battery voltage. ECU. electronic control unit. EMI. electromagnetic interference. NRZ. non-return to zero. 4 Conventions This Document is based on the conventions discussed in the OSI Service Conventions (ISO/IEC 10731) as they apply for communication services. ......
 
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.