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GB/T 45784.2-2025: Agricultural vehicles - Standardized access to repair and maintenance information (RMI) - Part 2: Vehicle on-board diagnostics
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 45784.2-2025 | English | 454 |
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Agricultural vehicles - Standardized access to repair and maintenance information (RMI) - Part 2: Vehicle on-board diagnostics
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GB/T 45784.2-2025
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Basic data | Standard ID | GB/T 45784.2-2025 (GB/T45784.2-2025) | | Description (Translated English) | Agricultural vehicles - Standardized access to repair and maintenance information (RMI) - Part 2: Vehicle on-board diagnostics | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B90 | | Classification of International Standard | 65.060.01 | | Word Count Estimation | 22,283 | | Date of Issue | 2025-05-30 | | Date of Implementation | 2025-12-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 45784.2-2025: Agricultural vehicles - Standardized access to repair and maintenance information (RMI) - Part 2: Vehicle on-board diagnostics
---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.
ICS 65.060.01
CCSB90
National Standard of the People's Republic of China
Standard interface for agricultural vehicle maintenance information
Part 2.On-board diagnostics
information(RMI)-Part 2.Vehicleon-boarddiagnostics
(ISO 22172-2.2021,IDT)
Released on 2025-05-30
2025-12-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of contents
Preface III
Introduction IV
1 Scope 1
2 Normative references 1
3 Terms and definitions 3
4 Abbreviations 3
5 Requirements 4
6 General diagnostic tools 9
Appendix A (Informative) Software Refresh Capability and Diagnostic Tool Design 15
References 16
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.
This document is part 1 of GB/T 45784 "Standard interface for maintenance information of agricultural vehicles". GB/T 45784 has been published
The following parts.
--- Part 1.Web-based user interface requirements;
--- Part 2.On-board diagnostics.
This document is equivalent to ISO 22172-2.2020 "Standard interface for maintenance information for agricultural vehicles Part 2.On-board diagnostics".
The following minimal editorial changes were made to this document.
--- Added Note KWP (see 5.2.1.1).
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 by the China Machinery Industry Federation.
This document is under the jurisdiction of the National Agricultural Machinery Standardization Technical Committee (SAC/TC201).
This document was drafted by. China Agricultural Mechanization Research Institute Group Co., Ltd., Hefei Bangli Electronics Co., Ltd., Weichai Lei
Wo Smart Agriculture Technology Co., Ltd., Shandong Wuzheng Group Co., Ltd., Luoyang Intelligent Agriculture Equipment Research Institute Co., Ltd., Beijing Zhuoyuan
Zhilian Technology Co., Ltd., Henan University of Science and Technology, Weichai Lovol (Weifang) Agricultural Equipment Co., Ltd., Beijing Information Science and Technology University, Siping Shunbang
Agricultural Machinery Manufacturing Co., Ltd., Agricultural Mechanization General Station of the Ministry of Agriculture and Rural Affairs, Equipment Industry Development Center of the Ministry of Industry and Information Technology, Hubei Agricultural Machinery
Technology Promotion Center, National Agricultural Machinery Quality Inspection and Testing Center, China Agricultural University, Shenzhen Chaoyue Technology Development Co., Ltd., Beijing
Agricultural Machinery Testing, Identification and Promotion Station, China Science and Technology Standard (Ningde) Technology Co., Ltd.
The main drafters of this document are. Zhao Bo, Liao Na, Zhang Junning, He Song, Wei Liguo, Ji Baofeng, Zhang Weipeng, Fang Xibang, Gao Hongfeng, Li Zhengping,
Zhou Xiang, Zhou Baixue, Mao Zhenqiang, Zhang Jian, Cai Yanbin, Wei Desheng, Ouyang An, Su Renzhong, Qi Xin, Xing Gaoyong, Li Yang, Ma Fei, Zhang Shuaiyang, Lü Shusheng,
Li Zhuoli, Yang Liwei, Li Zhiqiang, Chen Junmin, Li Minzan, Ji Yujie, Ran Xiaoqin, Li Hongqian, Chen Xinqi, Yu Xuehan, Wang Lei, Suo Jingkun,
Chen Wenting and Miao Xianyu.
Introduction
GB/T 45784 mainly involves the technical requirements of the standard interface for agricultural vehicle maintenance information, including agricultural vehicle maintenance information
Overall requirements for standard interfaces and hardware and software requirements for on-board diagnostics.
GB/T 45784 is intended to consist of two parts.
--- Part 1.Web-based user interface requirements. The purpose is to specify the general requirements of the standard interface for agricultural vehicle maintenance information.
Requirements, principles, use case definitions, technical requirements.
--- Part 2.On-board diagnostics. The purpose is to specify the minimum hardware and software requirements for on-board diagnostics and provide the hardware of the diagnostic tool
and software specifications.
Standard interface for agricultural vehicle maintenance information
Part 2.On-board diagnostics
1 Scope
This document specifies the minimum hardware and software requirements for vehicle maintenance by describing the minimum hardware and software requirements, including software flash, calibration, and configuration requirements after repair.
This document provides the hardware and software specifications for the diagnostic tool.
This document does not apply to conversion kits as these are not an integral part of the vehicle.
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.
ISO 11783-2 Serial control and communication data networks for tractors and machinery for agriculture and forestry Part 2.Physical layer
Physicallayer)
Note. GB/T 35381.2-2017 Agricultural and forestry tractors and machinery serial control and communication data networks Part 2.Physical layer (ISO 11783-2.
2012, IDT)
ISO 11783-12 Serial control and communication data networks for tractors and machinery for agriculture and forestry Part 12.Diagnostic services
12.Diagnosticsservices)
Note. GB/T 35381.12-2020 Serial control and communication data networks for agricultural and forestry tractors and machinery Part 12.Diagnostic services (ISO 11783-12.
2019, IDT)
ISO 11898-1 Road Vehicle Controller Area Network (CAN) Part 1.Data Link Layer and Physical Signalling [Roadvehi-
Note. GB/T 41588.1-2022 Road vehicle controller area network (CAN) Part 1.Data link layer and physical signaling (ISO 11898-1.
2015, IDT)
ISO 11898-2 Road vehicles Controller Area Network (CAN) Part 2.High-speed media access unit [Roadvehicles-
Note. GB/T 41588.2-2022 Road vehicle controller area network (CAN) Part 2.High-speed media access unit (ISO 11898-2.
2016, IDT)
ISO 13400-2 Diagnostic communications over Internet Protocol (DoIP) for road vehicles Part 2.Transport protocol and network layer services
Note. GB/T 43258.2-2023 Diagnostic communications based on Internet Protocol (DoIP) for road vehicles Part 2.Transport protocol and network layer services
(ISO 13400-2.2019,MOD)
ISO 13400-3 Diagnostic communications over Internet Protocol (DoIP) for road vehicles Part 3.IEEE 802.3 wired
Note. GB/T 43258.3-2023 Diagnostic communication based on Internet protocol (DoIP) for road vehicles Part 3.Wired vehicle based on IEEE802.3
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