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SAE J1979DA_202305 : 2023

J1979-DA, Digital Annex of E/E Diagnostic Test Modes

Standard Details

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.

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General Information

Status : Revised
Standard Type: Main
Document No: SAE J1979DA_202305 : 2023
Document Year: 2023

Life Cycle

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Revised
SAE J1979DA_202305 : 2023
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