GB/T 41590.4-2022 PDF in English
GB/T 41590.4-2022 (GB/T41590.4-2022, GBT 41590.4-2022, GBT41590.4-2022)
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Road vehicles - Diagnostic communication over K-Line (DoK-Line) - Part 4: Requirements for emission-related systems
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Standards related to (historical): GB/T 41590.4-2022
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GB/T 41590.4-2022: PDF in English (GBT 41590.4-2022) GB/T 41590.4-2022
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.180
CCS R 17
GB/T 41590.4-2022 / ISO 14230-4:2000
Road Vehicles – Diagnostic Communication over K-Line (DoK-
Line) – Part 4: Requirements for Emission-Related Systems
(ISO 14230-4:2000, Road Vehicles – Diagnostic Systems – Keyword
Protocol 2000 – Part 4: Requirements for Emission-Related Systems, 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 ... 5
1 Scope ... 6
2 Normative References ... 6
3 Terms and Definitions ... 7
4 Physical Layer ... 7
5 Data Link Layer ... 7
6 Diagnostic Services ... 8
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 4 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 adopted ISO 14230-4:2000 Road Vehicles – Diagnostic Systems –
Keyword Protocol 2000 – Part 4: Requirements for Emission-Related Systems.
This Document adds a Clause of “Terms and Definitions”.
This Document makes the minimum editorial modifications as follows:
--- In order to coordinate with the existing standard, change the standard name into Road
Vehicles - Diagnostic Communication over K-Line (DoK-Line) – Part 4: Requirements
for Emission-Related Systems.
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: Dongfeng Motor Group Company Limited; Zhejiang
Geely Automotive Research Institute (Ningbo) Co., Ltd.; Great Wall Motor Company Limited;
China FAW Group Co., Ltd.; Xingkedi Technology (Taizhou) Co., Ltd.; Huizhou Desay SV
Automotive Co., Ltd.; Pan-Asia Technical Automotive Center Co., Ltd.; FAW-Volkswagen
Automotive Co., Ltd.; SAIC GM Wuling Automobile Company Limited; CATARC Automotive
Test Center (Tianjin) Co., Ltd.; and CATARC (Tianjin) Automotive Engineering Research
Institute Co., Ltd.
Chief drafting staffs of this Document: Li Yan, Xia Liping, Niu Yujiao, Wu Yonghui, Gong
Shiqi, Liu Bin, Hong Yu, Shi Xiaomi, Wu Yuzhi, Sun Wang, Zhang Dingyu, Gao Changbin,
Road Vehicles – Diagnostic Communication over K-Line (DoK-
Line) – Part 4: Requirements for Emission-Related Systems
1 Scope
This Document specifies the requirements for the K-Line-based diagnostic communication data
link and connected vehicle and scan tool when used to comply with on-board diagnostic (OBD)
requirements for emission-related test data.
This Document only specifies requirements relative to K-Line-based diagnostic communication
for OBD purposes. Complete K-Line-based diagnostic communication requirements can be
found in ISO 14230 Parts 1 to 3 and in ISO 14229 (all parts). ISO 14230-1, ISO 14230-2 and
ISO 14230-3 are applicable for OBD purposes only as explicitly referenced in this Document.
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 9141-2 Road Vehicles – Diagnostic Systems – Part 2: CARB requirements for
Interchange of Digital information
ISO 14229 (all parts) Road Vehicles – Unified Diagnostic Services (UDS)
NOTE: GB/T 40822-2021 Road Vehicles – Unified Diagnostic Services (ISO 14229-1:2020, ISO
14229-2:2013, ISO 14229-3:2012, ISO 14229-4:2012, ISO 14229-5:2013, ISO 14229-6:2013, ISO
14229-7:2015, ISO 14229-8:2020, MOD)
ISO 14230-1 Road Vehicles – Diagnostic Communication over K-Line (DoK-Line) – Part
1: Physical Layer
NOTE: GB/T 41590.1-2022 Road Vehicles – Diagnostic Communication over K-Line (DoK-Line)
– Part 1: Physical Layer (ISO 14230-1:2012, IDT)
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)
......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
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