SAE J1978_200204 PDF
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OBD II Scan Tool — Equivalent to ISO/DIS 15031-4:December 14, 2001
Description
This SAE Recommended Practice supersedes SAE J1978 FEB1998, and is technically equivalent to ISO/DIS 15031-4:December 14, 2001.
This document is intended to satisfy the requirements of an OBD scan tool as required by U.S. On-Board Diagnostic (OBD) regulations.
The document specifies:
a
A means of establishing communications between an OBD-equipped vehicle and external test equipment,
b
A set of diagnostic services to be provided by the external test equipment in order to exercise the services defined in SAE J1979,
c
Conformance criteria for the external test equipment.
History
| J1978_202205 | 2022-05-26 | Latest | Revised |
| J1978_200204 | 2002-04-30 | Historical | Revised |
| J1978_199802 | 1998-02-01 | Historical | Revised |
| J1978_199406 | 1994-06-01 | Historical | Revised |
| J1978_199203 | 1992-03-01 | Historical | Issued |
| ISSUING COMMITTEE | Vehicle E E System Diagnostic Standards Committee |
|---|---|
| DATE | 2002-04-30 |
| DOI | |
| ISCURRENT | |
| PAGE | 16 |
| PUBLISHER | SAE International |
| REVISED | REVISED |
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