Road vehicles -- Communication between vehicle and external equipment for emissions-related diagnostics

ISO 15031-2:2010 provides guidance on the usage of terms, definitions, abbreviations and acronyms used in emissions-related diagnostics, with respect to the communication between road vehicles and external equipment used in that field. It also specifies a procedure for constructing new terms. As it gives recommended usage of diagnostic terms applicable to electrical/electronic systems, it also makes reference to related mechanical terms, definitions, abbreviations and acronyms. ISO 15031-2:2010 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. ISO 15031-2:2010 is intended to help industry provide standard terms, definitions, abbreviations and acronyms with a view to establishing a common terminology for diagnostic tools and publications.

Véhicules routiers -- Communications entre un véhicule et un équipement externe pour le diagnostic relatif aux émissions

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Status
Published
Publication Date
19-Aug-2010
Current Stage
9093 - International Standard confirmed
Start Date
15-Jun-2021
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INTERNATIONAL ISO
STANDARD 15031-2
First edition
2010-09-01
Road vehicles — Communication
between vehicle and external equipment
for emissions-related diagnostics —
Part 2:
Guidance on terms, definitions,
abbreviations and acronyms
Véhicules routiers — Communications entre un véhicule et un
équipement externe pour le diagnostic relatif aux émissions —
Partie 2: Lignes directrices sur les termes, les définitions,
les abréviations et les acronymes
Reference number
ISO 15031-2:2010(E)
ISO 2010
---------------------- Page: 1 ----------------------
ISO 15031-2:2010(E)
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ii © ISO 2010 – All rights reserved
---------------------- Page: 2 ----------------------
ISO 15031-2:2010(E)
Contents Page

Foreword ............................................................................................................................................................iv

Introduction.........................................................................................................................................................v

1 Scope......................................................................................................................................................1

2 Normative references............................................................................................................................1

3 Terms and definitions ...........................................................................................................................1

4 General information ..............................................................................................................................2

5 Document overview...............................................................................................................................2

6 Methodology ..........................................................................................................................................4

6.1 Naming objects......................................................................................................................................4

6.1.1 General information ..............................................................................................................................4

6.1.2 Base words............................................................................................................................................4

6.1.3 Modifiers.................................................................................................................................................5

6.1.4 Technological terms..............................................................................................................................5

6.2 Naming systems ....................................................................................................................................5

6.3 Shortened names..................................................................................................................................5

6.3.1 General information ..............................................................................................................................5

6.3.2 Acronyms...............................................................................................................................................5

6.3.3 Abbreviations.........................................................................................................................................6

6.4 Indexing of name ...................................................................................................................................6

6.5 Alphanumeric descriptors....................................................................................................................6

Bibliography........................................................................................................................................................8

© ISO 2010 – All rights reserved iii
---------------------- Page: 3 ----------------------
ISO 15031-2:2010(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies

(ISO member bodies). The work of preparing International Standards is normally carried out through ISO

technical committees. Each member body interested in a subject for which a technical committee has been

established has the right to be represented on that committee. International organizations, governmental and

non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the

International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.

International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.

The main task of technical committees is to prepare International Standards. Draft International Standards

adopted by the technical committees are circulated to the member bodies for voting. Publication as an

International Standard requires approval by at least 75 % of the member bodies casting a vote.

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent

rights. ISO shall not be held responsible for identifying any or all such patent rights.

ISO 15031-2 was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 3,

Electrical and electronic equipment.

This first edition of ISO 15031-2 cancels and replaces ISO/TR 15031-2:2004, which has been technically

revised.

ISO 15031 consists of the following parts, under the general title Road vehicles — Communication between

vehicle and external equipment for emissions-related diagnostics:
⎯ Part 1: General information and use case definition
⎯ Part 2: Guidance on terms, definitions, abbreviations and acronyms

⎯ Part 3: Diagnostic connector and related electrical circuits, specification and use

⎯ Part 4: External test equipment
⎯ Part 5: Emissions-related diagnostic services
⎯ Part 6: Diagnostic trouble code definitions
⎯ Part 7: Data link security
iv © ISO 2010 – All rights reserved
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ISO 15031-2:2010(E)
Introduction
0.1 Overview

The various parts of ISO 15031, when taken together, provide a coherent, consistent set of specifications for

facilitating emissions-related diagnostics. ISO 15031-2 to ISO 15031-7 are based on recommended practices

of the Society of Automotive Engineers (SAE). This part of ISO 15031 is based on SAE J1930.

See ISO 15031-1 for general information and an introduction to ISO 15031.

As the number of sophisticated electrical and electronic (E/E) systems on motor vehicles has increased, the

number of terms, abbreviations and acronyms which describe various components of these systems has

increased enormously.

The nomenclature used to convey automotive service information is being standardized in order to more

accurately convey information to technicians faced with the diagnosis and repair of increasingly complex

vehicles.

To be properly descriptive, each type of automotive nomenclature requires a consistent methodology. This

document is concerned with a methodology for naming objects and systems and with the set of words from

which names are built.

⎯ The procedure allows the complete description of objects and systems without ambiguity and the

generation of names which distinguish among similar objects or systems without confusion but with

brevity.

⎯ Using terms which are well defined within the context of the automotive service industry, the procedure

allows already existing, imprecise, names to be suitably changed and future names to be assigned in a

predictable way that will reliably convey meaning to the technician.
0.2 SAE document reference concept

This part of ISO 15031 references several SAE documents which contain all the terms, data and diagnostic

trouble code (DTC) definitions.

This is illustrated in Figure 1. Additional information on the content of the referenced documents is given

below.

⎯ SAE J1930: the document is concerned with a procedure for naming objects and systems and with the

set of words from which names are built. It references SAE J1930-DA, which contains all standardized

naming objects, terms and abbreviations.

⎯ SAE J1979: the document is concerned with the definition of emissions-related diagnostic services

(diagnostic test modes). It references SAE J1979-DA, which contains all standardized data items like

PIDs, Test Ids, Monitor Ids and InfoType Ids.

⎯ SAE J2012: the document is concerned with the procedure for defining emissions-related diagnostic

trouble codes. It references SAE J2012-DA, which contains all standardized data items like DTCs and

failure type bytes (FTBs).
© ISO 2010 – All rights reserved v
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ISO 15031-2:2010(E)
Key
1 SAE Digital Annexes
Figure 1 — SAE Digital Annex document reference
0.3 SAE J1930-DA Digital Annex

This part of ISO 15031 references the SAE J1930-DA. The SAE J1930-DA is concerned with the terms,

abbreviations and acronyms which are defined according to the procedure for naming objects and systems.

The SAE J1930-DA includes several appendices:
⎯ Approved terms;
⎯ SAE J1979 parameter ID (PID) acronyms;
⎯ Glossary and Control Module Naming;
⎯ Figures to assist in the identification of the proper terms;
⎯ Historical reference for acronym usage in previous publications.
0.4 SAE Digital Annex revision procedure

New emissions-related regulatory requirements drive new in-vehicle technology to lower emissions. New

technology-related OBD (on-board diagnostic) monitor data and diagnostic trouble codes need to be

standardized to support the external (off-board) “generic” test equipment. All relevant information is proposed

by the automotive industry represented by members of the appropriate SAE task force.

vi © ISO 2010 – All rights reserved
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ISO 15031-2:2010(E)

Revision request forms and instructions for updating the registers to this part of ISO 15031 can be obtained on

the Registration Authority's web site at:
http://www.sae.org/servlets/works/committeeHome.do?comtID=TEVDS7

The column titled “Resources” shows a document with the title: J1930-DA_Revision_Request_Form.doc.

Double click on the name and you will be asked to download the document with the filename:

SAE_J1930-DA_Revision_Request_Form.doc
Fill out the revision request form with your request.

Please send an e-mail with the completed revision request form as an attachment to:

SAE Headquarters
755 West Big Beaver Road
Suite 1600
Troy, MI 48084-4093, USA
Fax: (248) 273-2494
Email: saej1930@sae.org
© ISO 2010 – All rights reserved vii
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INTERNATIONAL STANDARD ISO 15031-2:2010(E)
Road vehicles — Communication between vehicle and external
equipment for emissions-related diagnostics —
Part 2:
Guidance on terms, definitions, abbreviations and acronyms
1 Scope

This part of ISO 15031 provides guidance on the usage of terms, definitions, abbreviations and acronyms

used in emissions-related diagnostics, with respect to the communication between road vehicles and external

equipment used in that field. It also specifies a procedure for constructing new terms. As it gives

recommended usage of diagnostic terms applicable to electrical/electronic systems, it also makes reference to

related mechanical terms, definitions, abbreviations and acronyms.

This part of ISO 15031 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.

The introduction of a term, abbreviation or acronym not covered by this part of ISO 15031 is not prohibited.

This part of ISO 15031 is intended to help industry provide standard terms, definitions, abbreviations and

acronyms with a view to establishing a common terminology for diagnostic tools and publications.

This part of ISO 15031 references the SAE J1930-Digital Annex (DA), which includes all standard terms,

definitions, abbreviations and acronyms.
2 Normative references

The following referenced documents are indispensable for the application of this document. For dated

references, only the edition cited applies. For undated references, the latest edition of the referenced

document (including any amendments) applies.

ISO 15031-5, Road vehicles — Communication between vehicle and external equipment for emissions-related

diagnostics — Part 5: Emissions-related diagnostic services

ISO 15031-6, Road vehicles — Communication between vehicle and external equipment for emissions-related

diagnostics — Part 6: Diagnostic trouble code definitions

SAE J1930-DA, J1930 Electrical/Electronic Systems Diagnostic Terms, Definitions, Abbreviations, and

Acronyms Web Tool Spreadsheet
3 Terms and definitions

For the purposes of this document, the terms and definitions given in ISO 15031-5 and ISO 15031-6 apply.

© ISO 2010 – All rights reserved 1
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ISO 15031-2:2010(E)
4 General information

Certain terms have already been in common use and are readily understood by manufacturers and

technicians, but do not strictly follow the methodology of this document. The SAE J1930 committee may

approve these terms that are already considered industry standard. These terms fall into three categories:

a) acronyms that do not logically fit the term;

b) acronyms existing at the component level, i.e. their terms contain the base word or noun that describes

the generic item that is being further defined;

c) acronyms for terms that appear to contain the base word, but are frequently used as a modifier to another

base word. This use may possibly be thought of as following the methodology since the acronym is

normally used as a modifier.
5 Document overview
Figure 2 illustrates the document references.

The protocol initialization identifies whether ISO 15765-4 DoCAN or SAE J1850 or ISO 14230-4 DoK-Line or

ISO 9141-2 is the data link layer supported
...

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