This document supersedes SAE J1979 APR2002, and is technically equivalent to ISO 15031-5:2006, except for minor reorganisation of Paragraphs 1 and 2, and modifications and additions as noted in Section 1.2 of this document.
saeJ1979 2006 SAE J1979 was originally developed to meet U.S. OBD requirements for 1996 and later model year ehicles. ISO 15031-5 was based on SAE J1979 and was intended to combine the U.S. requirements with European OBD requirements for 2000 and la
This document supersedes SAE J1979 SEP1997, and is technically equivalent to ISO/DIS 15031-5:April 30, 2002, except for minor reorganisation of Paragraphs 1 and 2. Foreword—On-Board Diagnostic (OBD) regulations require passenger cars, and light and
J1979_201202.TXT.pdf, 有需要的请下载，J1979_201202.TXT.pdfSAE
J1979 Revised feb2012
Page 3 of 128
1. SCOPE
1.1 Introduction
SAE J1979/So 15031-5 set includes the communication between the vehicle's OBd systems and test equipmen
implemented across vehicles wi
