SAE J1979DA_201009 PDF
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Digital Annex of E/E Diagnostic Test Modes
Description
On-Board Diagnostic (OBD) regulations require passenger cars, and light and medium duty trucks, to support
communication of a minimum set of diagnostic information to off-board “generic” test equipment. This document specifies
the diagnostic data which may be required to be supported by motor vehicles and external test equipment for diagnostic
purposes which pertain to motor vehicle emission-related data.
SAE J1979 was originally developed to meet U.S. OBD requirements for 1996 and later model year vehicles. ISO
15031-5 was based on SAE J1979 and was intended to combine the U.S. requirements with European OBD
requirements for 2000 and later model year vehicles.
History
| J1979DA_202508 | 2025-08-19 | Latest | Revised |
| J1979DA_202504 | 2025-04-29 | Historical | Revised |
| J1979DA_202404 | 2024-04-01 | Historical | Revised |
| J1979DA_202305 | 2023-05-24 | Historical | Revised |
| J1979DA_202203 | 2022-03-31 | Historical | Revised |
| J1979DA_202104 | 2021-04-21 | Historical | Revised |
| J1979DA_201905 | 2019-05-08 | Historical | Revised |
| J1979DA_201702 | 2017-02-16 | Historical | Revised |
| J1979DA_201406 | 2014-06-10 | Historical | Revised |
| J1979DA_201110 | 2011-10-10 | Historical | Revised |
| J1979DA_201009 | 2010-09-28 | Historical | Issued |
| ISSUING COMMITTEE | Vehicle E E System Diagnostic Standards Committee |
|---|---|
| DATE | 2010-09-28 |
| DOI | |
| ISCURRENT | |
| PAGE | 128 |
| PUBLISHER | SAE International |
| REVISED | ISSUED |
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