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Vehicle E E System Diagnostic Standards Committee Management and Organizations Computer software and hardware Interiors, Cabins, and Cockpits Analysis methodologies

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Standard

DIAGNOSTIC CONNECTOR
1992-06-01
HISTORICAL
J1962_199206
This SAE Recommended Practice: a Defines the functional requirements for a vehicle electrical/electronic diagnostic connector. These functional requirements are separated into two principal areas: connector location/access and connector design. b Establishes terminal assignments to conform to either of two categories: Standard or Manufacturer Discretionary. Rationale relative to intent is provided, where applicable, to minimize ambiguity.
Standard

Diagnostic Trouble Code Definitions
2013-03-07
HISTORICAL
J2012_201303
This document supersedes SAE J2012 DEC2007, and is technically equivalent to ISO 15031-6:2010 with the exceptions described in Section 1.2. This document is intended to define the standardized Diagnostic Trouble Codes (DTC) that On-Board Diagnostic (OBD) systems in vehicles are required to report when malfunctions are detected. SAE J2012 may also be used for decoding of enhanced diagnostic DTCs and specifies the ranges reserved for vehicle manufacturer specific usage. This document includes: a Diagnostic Trouble Code format. b A description of the standardized set of Diagnostic Trouble Codes and descriptions contained in SAE J2012-DA. The two most significant bytes of a DTC may be decoded according to two different lists; DTC Format Identifier 0x00 and 0x04. c A description of the standardized set of Diagnostic Trouble Codes subtypes known as Failure Types contained in SAE J2012-DA (applies only when three byte DTCs are used).
Standard

Diagnostic Trouble Code Definitions
2016-12-13
CURRENT
J2012_201612
This document supersedes SAE J2012 DEC2007, and is technically equivalent to ISO 15031-6:2010 with the exceptions described in 1.2. This document is intended to define the standardized Diagnostic Trouble Codes (DTC) that On-Board Diagnostic (OBD) systems in vehicles are required to report when malfunctions are detected. SAE J2012 may also be used for decoding of enhanced diagnostic DTCs and specifies the ranges reserved for vehicle manufacturer specific usage. This document includes: a Diagnostic Trouble Code format. b A description of the standardized set of Diagnostic Trouble Codes and descriptions contained in SAE J2012DA. The two most significant bytes of a DTC may be decoded according to two different lists; DTC Format Identifier 0x00 and 0x04. c A description of the standardized set of Diagnostic Trouble Codes subtypes known as Failure Types contained in SAE J2012-DA (applies only when three byte DTCs are used).
Standard

Diagnostic Trouble Code Definitions
2022-07-15
WIP
J2012
This document supersedes SAE J2012 DEC2007, and is technically equivalent to ISO 15031-6:2010 with the exceptions described in 1.2.This document is intended to define the standardized Diagnostic Trouble Codes (DTC) that On-Board Diagnostic (OBD) systems in vehicles are required to report when malfunctions are detected. SAE J2012 may also be used for decoding of enhanced diagnostic DTCs and specifies the ranges reserved for vehicle manufacturer specific usage.
Standard

Digital Annex of Diagnostic Trouble Code Definitions and Failure Type Byte Definitions
2024-03-06
CURRENT
J2012DA_202403
The J2012 Digital Annex of Diagnostic Trouble Code Definitions Spreadsheet provides DTC information in an excel format for use in your organization's work processes. The column headings include the same information as contained in the J2012 standard. Information in the excel spreadsheet will be updated several times annually and the spreadsheet includes a column heading denoting which DTCs have been updated in the current version.
Standard

Digital Annex of Diagnostic Trouble Code Definitions and Failure Type Byte Definitions
2018-12-19
HISTORICAL
J2012DA_201812
The J2012 Digital Annex of Diagnostic Trouble Code Definitions Spreadsheet provides DTC information in an excel format for use in your organization's work processes. The column headings include the same information as contained in the J2012 standard. Information in the excel spreadsheet will be updated several times annually, and the spreadsheet includes a column heading denoting which DTC have been updated in the current version.
Standard

Digital Annex of Diagnostic Trouble Code Definitions and Failure Type Byte Definitions
2013-01-31
HISTORICAL
J2012DA_012013
The J2012 Digital Annex of Diagnostic Trouble Code Definitions Spreadsheet provides DTC information in an excel format for use in your organization's work processes. The column headings include the same information as contained in the J2012 standard. There is also a column heading denoting which DTC have been updated in the current version.
Standard

Digital Annex of Diagnostic Trouble Code Definitions and Failure Type Byte Definitions
2016-12-13
HISTORICAL
J2012DA_201612
The J2012 Digital Annex of Diagnostic Trouble Code Definitions Spreadsheet provides DTC information in an excel format for use in your organization's work processes. The column headings include the same information as contained in the J2012 standard. Information in the excel spreadsheet will be updated several times annually, and the spreadsheet includes a column heading denoting which DTC have been updated in the current version.
Standard

Digital Annex of Diagnostic Trouble Code Definitions and Failure Type Byte Definitions
2010-08-16
HISTORICAL
J2012DA_072010
The J2012 Digital Annex of Diagnostic Trouble Code Definitions Spreadsheet provides DTC information in an excel format for use in your organization's work processes. The column headings include the same information as contained in the J2012 standard. Information in the excel spreadsheet will be updated several times annually, and the spreadsheet includes a column heading denoting which DTC have been updated in the current version.
Standard

E/E DIAGNOSTIC TEST MODES
1991-12-01
HISTORICAL
J1979_199112
This SAE Recommended Practice defines diagnostic test modes, and request and response messages, necessary to be supported by vehicle manufacturers and test tools to meet the requirements of the California OBD II regulations, which pertain to vehicle emission-related data only. These messages are intended to be used by any service tool capable of performing California OBD II mandated diagnostics. Diagnostic Test Modes included in this document are: For each test mode, this document includes: a Functional descriptions of test mode b Request and response message formats
Standard

E/E Data Link Security
2019-07-12
CURRENT
J2186_201907
This SAE Recommended Practice establishes a uniform practice for protecting vehicle components from "unauthorized" access through a vehicle data link connector (DLC). The document defines a security system for motor vehicle and tool manufacturers. It will provide flexibility to tailor systems to the security needs of the vehicle manufacturer. The vehicle modules addressed are those that are capable of having solid state memory contents accessed or altered through the data link connector. Improper memory content alteration could potentially damage the electronics or other vehicle modules; risk the vehicle compliance to government legislated requirements; or risk the vehicle manufacturer's security interests. This document does not imply that other security measures are not required nor possible.
Standard

E/E Data Link Security
2005-06-27
HISTORICAL
J2186_200506
This SAE Recommended Practice establishes a uniform practice for protecting vehicle components from "unauthorized" access through a vehicle data link connector (DLC). The document defines a security system for motor vehicle and tool manufacturers. It will provide flexibility to tailor systems to the security needs of the vehicle manufacturer. The vehicle modules addressed are those that are capable of having solid state memory contents accessed or altered through the data link connector. Improper memory content alteration could potentially damage the electronics or other vehicle modules; risk the vehicle compliance to government legislated requirements; or risk the vehicle manufacturer's security interests. This document does not imply that other security measures are not required nor possible.
Standard

EXPANDED DIAGNOSTIC PROTOCOL FOR OBD II SCAN TOOLS
1995-12-01
HISTORICAL
J2205_199512
This SAE Recommended Practice defines the Expanded Diagnostic Protocol (EDP), the requirements for the SAE J1978 OBD II Scan Tool for supporting the EDP protocol, and associated requirements for diagnosis and service information to be provided by motor vehicle manufacturers. Appendix A includes worked examples of the use of the protocol.
Standard

EXPANDED DIAGNOSTIC PROTOCOL FOR OBD II SCAN TOOLS
1994-06-01
HISTORICAL
J2205_199406
This SAE Recommended Practice defines the Expanded Diagnostic Protocol (EDP), the requirements for the SAE J1978 OBD II Scan Tool for supporting the EDP protocol, and associated requirements for diagnosis and service information to be provided by motor vehicle manufacturers. Appendix A includes worked examples of the use of the protocol.
Standard

Electrical/Electronic Systems Diagnostic Terms, Definitions, Abbreviations, and Acronyms - Equivalent to ISO/TR 15031-2
2017-03-07
CURRENT
J1930_201703
This SAE Recommended Practice supersedes SAE J1930 OCT2008, and is technically equivalent to ISO 15031-2. This document is applicable to all light-duty gasoline and diesel passenger vehicles and trucks, and to heavy-duty gasoline vehicles. Specific applications of this document include diagnostic, service and repair manuals, bulletins and updates, training manuals, repair databases, underhood emission labels, and emission certification applications. This document should be used in conjunction with SAE J1930DA Digital Annexes, which contains all of the information previously contained within the SAE J1930 tables. These documents focus on diagnostic terms applicable to electrical/electronic systems, and therefore also contains related mechanical terms, definitions, abbreviations, and acronyms.
Standard

Electrical/Electronic Systems Diagnostic Terms, Definitions, Abbreviations, and Acronyms—Equivalent to ISO/TR 15031-2
2008-10-16
HISTORICAL
J1930_200810
This SAE Recommended Practice supersedes SAE J1930 Apr 2002, and is technically equivalent to ISO 15031-2. This document is applicable to all light-duty gasoline and diesel passenger vehicles and trucks, and to heavy-duty gasoline vehicles. Specific applications of this document include diagnostic, service and repair manuals, bulletins and updates, training manuals, repair data bases, underhood emission labels, and emission certification applications. This document should be used in conjunction with DAE J1930-DA Digital Annexes, which contains all of the information previously contained within the SAE J1930 tables. These documents focus on diagnostic terms applicable to electrical/electronic systems, and therefore also contains related mechanical terms, definitions, abbreviations, and acronyms.
Standard

Enhanced E/E Diagnostic Test Modes
2008-10-02
CURRENT
J2190_200810
This SAE Recommended Practice describes the implementation of Enhanced Diagnostic Test Modes, which are intended to supplement the legislated Diagnostic Test Modes defined in SAE J1979. Modes are defined for access to emission related test data beyond what is included in SAE J1979, and for non-emission related data. This document describes the data byte values for diagnostic messages transmitted between diagnostic test equipment, either on-vehicle or off-vehicle, and vehicle electronic control modules. No distinction is made between test modes for emission related and non-emission related diagnostics. These messages can be used with a diagnostic serial data link such as described in SAE J1850 or ISO 9141-2. For each test mode, this document includes a functional description of the test mode, request and report message data byte content, and an example if useful for clarification.
Standard

Honda Diagnostic Serial Data Link Protocol - ABS/VSA System
2017-10-09
CURRENT
J2809_201710
This Technical Information Report defines the proprietary diagnostic communication protocol for ABS or VSA ECU (Electronic Control Unit) implemented on some Honda vehicles. This protocol does not apply to all Honda vehicles. This document should be used in conjunction with SAE J2534-2 in order to fully implement the communication protocol in an enhanced SAE J2534 interface. The purpose of this document is to specify the requirements necessary to implement the communication protocol in an enhanced SAE J2534 interface.
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