GB/T 42193.2-2022 Active

This document provides terminology, definitions, abbreviations, and acronym usage guidelines for emissions-related diagnostics in communication between vehicles and external devices; it also specifies the process for creating new terminology. Since this document provides recommended usage of diagnostic terminology applicable to electrical/electronic systems, it references relevant mechanical terminology, definitions, abbreviations, and acronyms during its preparation. This document applies to all light-duty gasoline and diesel passenger cars, trucks, and heavy-duty gasoline vehicles. Specific applications of this document include diagnostic, service, and repair manuals, announcements and updates, training manuals, repair databases, under-hood emissions labels, and emissions certification applications. Interpretations of terms, abbreviations, or acronyms not included in this document are also permitted. This document aims to assist the industry in providing standard terminology, definitions, abbreviations, and acronyms, with the goal of establishing common terminology for diagnostic tools and publications. This document references SAE J1930DA, which includes all standard terminology, definitions, abbreviations, and acronyms.