T/ZJEMA 0001-2020 Heavy-duty diesel vehicle on-board emission diagnosis system (OBD) application technical specification

Scope

Scope: Applicable to on-board emission diagnostic systems of cargo diesel vehicles and cargo gas-fueled vehicles with a total mass of more than 12,000 kg. Other vehicles equipped with compression-ignition engines and gas-fueled spark-ignition engines that undergo type testing and information disclosure in accordance with GB 17691 may refer to this standard for implementation. Main technical contents: Foreword 1 ; Scope 2; Normative reference documents 3; Terms and definitions 4; Basic requirements 5; Terminal device requirements 5.1  General requirements 5.2 Functional requirements 5.3 Performance requirements 5.4 Installation and debugging requirements 6; Data transmission requirements 6.1 General requirements 6.2 Data transmission protocol/agreement 6.3 Data retransmission 7; Management platform requirements 7.1 General requirements 7.2 Platform access 7.3 Storage 7.4 Security 8; Operation management requirements 8.1 Daily operation 8.2 Maintenance Appendix A (normative appendix) Communication protocol for heavy-duty diesel vehicles to access the management platform Appendix B (normative appendix) Communication protocol for platform access to the management platform

Development Information

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