Road vehicles - Standardized access to automotive repair and maintenance information (RMI) - Part 2: Technical requirements (ISO 18541-2:2021)

This document includes technical requirements which are related to automotive repair and maintenance
information (RMI) systems in order to standardize access to RMI for independent operators.
This document specifies the minimum set of technical requirements related to a vehicle manufacturer's
RMI system. These requirements will reflect the deriving needs from the use cases as specified in
ISO 18541-1.
Furthermore, this document defines requirements for granting access to security-related RMI in
Annex A following the SERMI scheme.
This document is applicable to light passenger and commercial vehicles as defined in regulation
(EC) 715/2007 Article 2 [15].

Straßenfahrzeuge - Standardisierter Zugang zu Reparatur- und Wartungsinformationen (RMI) - Teil 2: Technische Anforderungen (ISO 18541-2:2021)

Dieses Dokument umfasst technische Anforderungen in Bezug auf Reparatur- und Wartungs-informationssysteme (RMI), die der Standardisierung des Zugangs zu RMI durch unabhängige Markt-teilnehmer dienen.
Dieses Dokument legt eine Reihe von Mindestanforderungen in Bezug auf das RMI-System eines Fahrzeugherstellers fest. Diese Anforderungen spiegeln die Bedürfnisse wider, die von den in ISO 18541-1:202x beschriebenen Anwendungsfällen abgeleitet sind.
Zusätzlich legt dieses Dokument Anforderungen zur Gewährung von Zugriffsrechten für sicherheitsrelevante RMI in Anhang A fest, welche dem SERMI Schema folgen.
Dieses Dokument ist anwendbar für leichte Kraftfahrzeuge und Nutzfahrzeuge nach Verordnung (EG) 715/2007, Artikel 2 [14].

Véhicules routiers - Normalisation de l'accès aux informations relatives à la réparation et à la maintenance pour l'automobile (RMI) - Partie 2: Exigences techniques (ISO 18541-2:2021)

Lz présent document comprend les exigences techniques liées aux systèmes d'informations relatives à la réparation et à la maintenance pour l'automobile (RMI) dans le but de normaliser l'accès des opérateurs indépendants aux RMI.
Le présent document spécifie l'ensemble minimal d'exigences techniques concernant le système RMI d'un constructeur de véhicules. Ces exigences reflèteront les besoins qui découlent des cas d'utilisation spécifiés dans l'ISO 18541-1.
De plus, le présent document définit dans l’Annexe A les exigences afin d’accorder l’accès aux RMI relatives à la sécurité selon le système SERMI.
Le présent document est applicable aux véhicules particuliers et utilitaires légers tels que définis dans le règlement (CE) 715/2007 à l’Article 2 [15].

Cestna vozila - Standardiziran dostop do informacij o popravilih in vzdrževanju avtomobilov (RMI) - 2. del: Tehnične zahteve (ISO 18541-2:2021)

General Information

Status
Published
Public Enquiry End Date
27-Sep-2020
Publication Date
21-Jul-2021
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
21-Jul-2021
Due Date
25-Sep-2021
Completion Date
22-Jul-2021

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SLOVENSKI STANDARD
SIST EN ISO 18541-2:2021
01-september-2021
Nadomešča:
SIST EN ISO 18541-2:2015
Cestna vozila - Standardiziran dostop do informacij o popravilih in vzdrževanju
avtomobilov (RMI) - 2. del: Tehnične zahteve (ISO 18541-2:2021)

Road vehicles - Standardized access to automotive repair and maintenance information

(RMI) - Part 2: Technical requirements (ISO 18541-2:2021)

Straßenfahrzeuge - Standardisierter Zugang zu Reparatur- und Wartungsinformationen

(RMI) - Teil 2: Technische Anforderungen (ISO 18541-2:2021)

Véhicules routiers - Normalisation de l'accès aux informations relatives à la réparation et

à la maintenance pour l'automobile (RMI) - Partie 2: Exigences techniques (ISO 18541-

2:2021)
Ta slovenski standard je istoveten z: EN ISO 18541-2:2021
ICS:
43.040.15 Avtomobilska informatika. Car informatics. On board
Vgrajeni računalniški sistemi computer systems
43.180 Diagnostična, vdrževalna in Diagnostic, maintenance and
preskusna oprema test equipment
SIST EN ISO 18541-2:2021 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN ISO 18541-2:2021
---------------------- Page: 2 ----------------------
SIST EN ISO 18541-2:2021
EN ISO 18541-2
EUROPEAN STANDARD
NORME EUROPÉENNE
June 2021
EUROPÄISCHE NORM
ICS 43.180; 43.040.15 Supersedes EN ISO 18541-2:2014
English Version
Road vehicles - Standardized access to automotive repair
and maintenance information (RMI) - Part 2: Technical
requirements (ISO 18541-2:2021)

Véhicules routiers - Normalisation de l'accès aux Straßenfahrzeuge - Standardisierter Zugang zu

informations relatives à la réparation et à la Reparatur- und Wartungsinformationen (RMI) - Teil 2:

maintenance pour l'automobile (RMI) - Partie 2 : Technische Anforderungen (ISO 18541-2:2021)

Exigences techniques (ISO 18541-2:2021)
This European Standard was approved by CEN on 1 June 2021.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this

European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references

concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN

member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by

translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management

Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,

Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and

United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 18541-2:2021 E

worldwide for CEN national Members.
---------------------- Page: 3 ----------------------
SIST EN ISO 18541-2:2021
EN ISO 18541-2:2021 (E)
Contents Page

European foreword ....................................................................................................................................................... 3

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SIST EN ISO 18541-2:2021
EN ISO 18541-2:2021 (E)
European foreword

This document (EN ISO 18541-2:2021) has been prepared by Technical Committee ISO/TC 22 "Road

vehicles" in collaboration with Technical Committee CEN/TC 301 “Road vehicles” the secretariat of

which is held by AFNOR.

This European Standard shall be given the status of a national standard, either by publication of an

identical text or by endorsement, at the latest by December 2021, and conflicting national standards

shall be withdrawn at the latest by December 2021.

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

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

This document supersedes EN ISO 18541-2:2014.

This document has been prepared under a mandate given to CEN by the European Commission and the

European Free Trade Association.

According to the CEN-CENELEC Internal Regulations, the national standards organizations of the

following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,

Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,

Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of

North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the

United Kingdom.
Endorsement notice

The text of ISO 18541-2:2021 has been approved by CEN as EN ISO 18541-2:2021 without any

modification.
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SIST EN ISO 18541-2:2021
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SIST EN ISO 18541-2:2021
INTERNATIONAL ISO
STANDARD 18541-2
Second edition
2021-06
Road vehicles — Standardized access
to automotive repair and maintenance
information (RMI) —
Part 2:
Technical requirements
Véhicules routiers — Normalisation de l'accès aux informations
relatives à la réparation et à la maintenance pour l'automobile
(RMI) —
Partie 2: Exigences techniques
Reference number
ISO 18541-2:2021(E)
ISO 2021
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SIST EN ISO 18541-2:2021
ISO 18541-2:2021(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2021

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting

on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address

below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2021 – All rights reserved
---------------------- Page: 8 ----------------------
SIST EN ISO 18541-2:2021
ISO 18541-2:2021(E)
Contents Page

Foreword ..........................................................................................................................................................................................................................................v

Introduction ................................................................................................................................................................................................................................vi

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

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

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

4 Abbreviated terms .............................................................................................................................................................................................. 2

5 Requirements overview and principles ....................................................................................................................................... 2

5.1 Basic principles for requirements definition ................................................................................................................ 2

5.2 Requirements clustering ................................................................................................................................................................ 3

6 Requirements cluster 1 — Access-related data administration .........................................................................6

6.1 [TREQ-1] General access-related data administration ......................................................................................... 6

6.2 [TREQ-2], [TREQ-3] Administration of IO and IO employee data by the VM .................................... 6

6.2.1 [TREQ-2] Administration of IO data by the VM ..................................................................................... 6

6.2.2 [TREQ-3] Administration of IO employee data by the VM ........................................................... 7

6.3 [TREQ-4] Administration of payment data by the VM .......................................................................................... 7

6.4 [TREQ-5] Administration of access event data by the VM ................................................................................ 8

6.5 [TREQ-6] Administration of access event data to security-related RMI by the VM..................... 8

7 Requirements cluster 2 — IT architecture ................................................................................................................................ 9

7.1 [TREQ-7] Conceptual architecture ......................................................................................................................................... 9

7.2 [TREQ-8] Implementation principles ...............................................................................................................................10

8 Requirements cluster 3 — External interfaces ..................................................................................................................14

8.1 [TREQ-9] Vehicle communication interface (VCI) .................................................................................................14

8.2 [TREQ-10] Trust centre (certificate management) ..............................................................................................17

8.3 [TREQ-11] Parts ordering for security-related features ..................................................................................17

8.4 [TREQ-12] Partnered accessory provider systems .............................................................................................18

9 Requirements cluster 4 — Technical infrastructure ...................................................................................................18

9.1 [TREQ-13] Type of device...........................................................................................................................................................18

9.2 [TREQ-14] PC requirements ....................................................................................................................................................18

9.3 [TREQ-15] Operating systems ................................................................................................................................................19

9.4 [TREQ-16] Web browsers ...........................................................................................................................................................19

9.5 [TREQ-17] Presentation formats for information packages ........................................................................19

9.6 [TREQ-18] Internet connection .............................................................................................................................................20

9.7 [TREQ-19] Performance of the VM RMI system ......................................................................................................20

10 Requirements cluster 5 — Co-existence of VM software on IO client .........................................................20

10.1 [TREQ-20] Requirements for installing VM-specific software on the IO client ...........................20

10.2 [TREQ-21] Requirements for updating of installed VM data and applications on

the IO client .............................................................................................................................................................................................21

10.3 [TREQ-22] Requirements for the operation of VM-specific software on the IO client ..........22

10.4 [TREQ-23] Requirements for the uninstalling of VM-specific software on the IO client .....22

10.5 [TREQ-24] Requirements for restoring in case of an abnormal termination of the

VM-specific software on the IO client ...............................................................................................................................23

11 Requirements cluster 6 — Operations .......................................................................................................................................23

11.1 [TREQ-25] VM RMI system availability time..............................................................................................................23

11.2 [TREQ-26] Support for the usage of the VM RMI system ................................................................................24

11.3 [TREQ-27] Operation of the IO PC.......................................................................................................................................24

12 Requirements cluster 7 — [TREQ-28] Functional user interface ...................................................................25

Annex A (normative) Requirements for access to security-related RMI according to SERMI

scheme .........................................................................................................................................................................................................................26

© ISO 2021 – All rights reserved iii
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SIST EN ISO 18541-2:2021
ISO 18541-2:2021(E)

Bibliography .............................................................................................................................................................................................................................31

iv © ISO 2021 – All rights reserved
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SIST EN ISO 18541-2:2021
ISO 18541-2:2021(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.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).

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. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www .iso .org/ patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www .iso .org/

iso/ foreword .html.

This document was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 31,

Data communication, in collaboration with the European Committee for Standardization (CEN)

Technical Committee CEN/TC 301, Road vehicles, in accordance with the Agreement on technical

cooperation between ISO and CEN (Vienna Agreement).

This second edition cancels and replaces the first edition (ISO 18541-2:2014), which has been technically

revised.
The main changes compared to the previous edition are as follows:
— security-related RMI according to SERMI scheme moved to Annex A;

— previous Annex A "PC specification" has been removed; the corresponding subclauses 9.2 and 9.3

were updated accordingly;
— Figures 2, 3 and 4 were updated (security-related RMI has been deleted);
— correction of errors and improvement of formulations in the entire document.
A list of all parts in the ISO 18541 series can be found on the ISO website.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www .iso .org/ members .html.
© ISO 2021 – All rights reserved v
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SIST EN ISO 18541-2:2021
ISO 18541-2:2021(E)
Introduction

The ISO 18541 series includes the requirements to be fulfilled by repair and maintenance information

(RMI) systems as applied by the European Commission — Enterprise and Industry Directorate-General,

[6]

Consumer goods — Automotive industry EC mandate M/421, dated Brussels, 21 January 2008.

This mandate relates to the EC type-approval system for vehicles falling into the scopes of Directives

[9] [7]

70/156/EEC (replaced by 2007/46/EC ), 2002/24/EC [replaced by (EU) 168/2013 ] and 2003/37/

[8]

EC [replaced by (EU) 167/2013 ] and, in particular, to requirements for access to vehicle repair and

maintenance information by independent operators.

The purpose of the EC Mandate M/421 is to develop a standard or set of standards which specify the

requirements to provide standardized access to automotive repair and maintenance information (RMI)

for independent operators.

The ISO 18541 series only covers access to automotive repair and maintenance information for

[15] [14]

light passenger and commercial vehicles [see (EC) No 715/2007 , (EC) No 692/2008 and (EU)

[11] [13] [12]

No 566/2011 ] and heavy-duty vehicles [see (EC) No 595/2009 , (EU) No 582/2011 and

[10] [9]

(EU) No 64/2012 ] based on Directive 2007/46/EC and for two-or three-wheel vehicles and

[7]
quadricycles based on regulation (EU) 168/2013 .

The information included in the ISO 18541 series derives from the legislative requirements on European

level in the field of RMI and related security requirements and can be referenced by legislation in other

countries.
vi © ISO 2021 – All rights reserved
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SIST EN ISO 18541-2:2021
INTERNATIONAL STANDARD ISO 18541-2:2021(E)
Road vehicles — Standardized access to automotive repair
and maintenance information (RMI) —
Part 2:
Technical requirements
1 Scope

This document includes technical requirements which are related to automotive repair and maintenance

information (RMI) systems in order to standardize access to RMI for independent operators.

This document specifies the minimum set of technical requirements related to a vehicle manufacturer's

RMI system. These requirements will reflect the deriving needs from the use cases as specified in

ISO 18541-1.

Furthermore, this document defines requirements for granting access to security-related RMI in

Annex A following the SERMI scheme.

This document is applicable to light passenger and commercial vehicles as defined in regulation

[15]
(EC) 715/2007 Article 2 .
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements 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 18541-1, Road vehicles — Standardized access to automotive RMI — Part 1: General information and

use case definition

ISO 18541-3, Road vehicles — Standardized access to automotive repair and maintenance information

(RMI) — Part 3: Functional user interface requirements

ISO 22900-2, Road vehicles — Modular vehicle communication interface (MVCI) — Part 2: Diagnostic

protocol data unit application programming interface (D-PDU API)
SAE J2534-1, Recommended Practice for Pass-Thru Vehicle Programming
SAE J2534-2, Optional Pass-Thru Features

SERMI scheme — Scheme for accreditation, approval and authorization to access security-related repair

and maintenance information
3 Terms and definitions

For the purposes of this document, the terms and definitions given in ISO 18541-1 apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at http:// www .electropedia .org/
1) Available at https:// www .vehiclesermi .eu/ .
© ISO 2021 – All rights reserved 1
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SIST EN ISO 18541-2:2021
ISO 18541-2:2021(E)
4 Abbreviated terms
API application programming interface
CSP certificate status protocol
DB database
DLC data link cable
DLL dynamic link library
D-PDU diagnostic – protocol data unit
DVD optical disc storage media format
ECU electronic control unit
FAQ frequently asked questions
IO independent operator
IT information technology
LAN local area network
MVCI modular vehicle communication interface
NAT network address translation
OBD on-board diagnostics
OCSP online certificate status protocol
PC personal computer
PKCS public key certificate status
RMI repair and maintenance information

SERMI forum for access to security-related vehicle repair and maintenance information

TREQ- technical requirement
TC trust centre
USB universal serial bus
VAT No. value added tax number
VM vehicle manufacturer
WWH-OBD World-wide harmonized on-board diagnostics
5 Requirements overview and principles
5.1 Basic principles for requirements definition

Basic principles have been established as a guideline to define the requirements.

— BP1: the requirements stated in this document shall not specify any implementation details.

2 © ISO 2021 – All rights reserved
---------------------- Page: 14 ----------------------
SIST EN ISO 18541-2:2021
ISO 18541-2:2021(E)

— BP2: requirements shall be expressed in terms of performance rather than design or descriptive

characteristics. This approach leaves maximum freedom to technical development.

— BP3: a requirement is identified by a TREQ-xx, where ‘xx’ is the requirement number. Each

requirement consists of a “Main title”, “Requirement definition”, “Requirement description”,

“Explanatory/example” and “Classification”.

— BP4: The requirements in clusters 4 and 5 in this document have been formulated with the aim of

minimizing the number of IO clients (PC, laptop, etc.) required to access different VM RMI systems.

5.2 Requirements clustering

Figure 1 illustrates the technical requirements clusters. Figure 1 shall provide an overview about all

technical requirements clusters and the specific technical requirements. Each technical requirement

is identified by the mnemonic “TREQ-” and an alpha-numeric number. The name of the technical

requirement is descriptive for the area.
Figure 1 — Overview about the technical requirements clusters

Table 1 provides an overview of the main categories of standardized access to automotive RMI

requirements. A requirement category shall have at least one requirement.
© ISO 2021 – All rights reserved 3
---------------------- Page: 15 ----------------------
SIST EN ISO 18541-2:2021
ISO 18541-2:2021(E)
Table 1 — Main requirements clusters
# - Main title of Technical requirements
Brief description
cluster [TREQ] reference

1 – Access-related Describes the main data types to be administered by the VM [TREQ-1] General access-relat-

data administra- RMI system and the requirements for the appropriate man- ed data administration

tion agement procedures in order to comply with the standardized
[TREQ-2] Administration of IO
access to RMI.
data by the VM
RMI requirements related to cluster access-related data admin-
[TREQ-3] Administration of
istration are:
IO employee data by the VM
— requirements for the administration of IO data by the VM;
[TREQ-4] Administration of
payment data by the VM
— requirements for the administration IO employee data by
the VM;
[TREQ-5] Administration of
access event data by the VM
— requirements for the administration of payment data by
the VM; [TREQ-6] Administration of
access event data to securi-
— requirements for the administration of access event data
ty-related RMI by the VM
by the VM;
— requirements for the administration of access event data
to security-related RMI by the VM.

2 – IT Describes requirements for the main IT components and inter- [TREQ-7] Conceptual archi-

architecture faces at the different IT architectural levels. tecture
RMI requirements related to cluster IT architecture are: [TREQ-8] Implementation
principles
— requirements for the conceptual architecture;
— requirements for the implementation principles.

3 – External inter- Describes the requirements for communication interfaces other [TREQ-9] Vehicle communica-

faces than the user interface. tion interface (VCI)

RMI requirements related to cluster external interfaces are: [TREQ-10] Trust centre (cer-

tificate management)
— requirements for the vehicle communication interface
(VCI);
[TREQ-11] Parts ordering for
security-related features
— requirements for the trust centre (certificate
[TREQ-12] Partnered accessory
management);
provider systems
— requirements for the parts ordering for security-related
features;
— requirements for the partnered accessory provider
systems.
4 © ISO 2021 – All rights reserved
---------------------- Page: 16 ----------------------
SIST EN ISO 18541-2:2021
ISO 18541-2:2021(E)
Table 1 (continued)
# - Main title of Technical requirements
Brief description
cluster [TREQ] reference

4 – Technical in- Compatibility conditions, minimum requirements for components [TREQ-13] Type of device

frastructure and Internet connection parameters to give an acceptable per-
[TREQ-14] PC requirements
formance. This cluster intends to define minimal development
guiding rules that shall be followed by the VM in order to ensure
[TREQ-15] Operating systems
compatibility between VM RMI systems. Compatibility issues
[TREQ-16] Web browsers
that may occur shall be managed by the Forum SERMI.
[TREQ-17] Presentation for-
This requirements cluster specifies the technical infrastructure
mats for information packages
recommendations which are:
[TREQ-18] Internet connection
— requirements related to type of device;
[TREQ-19] Performance of the
— requirements related to PC requirements;
VM RMI system
— requirements related to operating systems, runtime
languages, libraries;
— requirements related to Web browsers;
— requirements related to presentation formats for
information packages;
— requirements related to Internet connection;
— requirements related to performance of the VM RMI
system.

5 – Coexistence of This requirements cluster specifies the coexistence of VM soft- [TREQ-20] Requirements for

VM software on IO ware on the IO client: installing VM-specific software
client on the IO client
— requirements for installing VM-specific software on the
IO client;
[TREQ-21] Requirements for
updating of installed VM data
— requirements for updating VM-specific software on the IO
and applications on the IO client
client;
[TREQ-22] Requirements for

— requirements for the operation of VM-specific software the operation of VM-specific

on the IO client; software on the IO client
[TREQ-23] Requirements for
— requirements for the uninstalling of VM-specific software
the uninstalling of VM-specific
on the IO client;
software on the IO client
— requirements for restoring in case of an abnormal
[TREQ-24] Requirements for
termination of the VM-specific software on the IO client.
restoring in case of an abnormal
termination of the VM-specific
The VM software shall be developed according to acknowledged
software on the IO client
quality criteria for the coexistence of VM applications installed
on the client side.

6 – Operations This requirements cluster specifies the RMI requirements related [TREQ-25] VM RMI system

to the cluster operations which are: availability time
— requirements related to the VM RMI system availability
[TREQ-26] Support for the
time;
usage of the VM RMI system
[TREQ-27] Operation of the
— requirements related to the support for the usage of the
IO PC
VM RMI system;
— requirements related to the operation of the IO PC.

7 – Functional user This requirement cluster includes the reference to the ISO 18541- [TREQ-28] Requiremen

...

SLOVENSKI STANDARD
oSIST prEN ISO 18541-2:2020
01-september-2020
Cestna vozila - Standardiziran dostop do informacij o popravilih in vzdrževanju
avtomobilov (RMI) - 2. del: Tehnične zahteve (ISO/DIS 18541-2:2020)

Road vehicles - Standardized access to automotive repair and maintenance information

(RMI) - Part 2: Technical requirements (ISO/DIS 18541-2:2020)

Straßenfahrzeuge - Standardisierter Zugang zu Reparatur- und Wartungsinformationen

(RMI) - Teil 2: Technische Anforderungen (ISO/DIS 18541-2:2020)

Véhicules routiers - Normalisation de l'accès aux informations relatives à la réparation et

à la maintenance pour l'automobile (RMI) - Partie 2: Exigences techniques (ISO/DIS

18541-2:2020)
Ta slovenski standard je istoveten z: prEN ISO 18541-2
ICS:
43.040.15 Avtomobilska informatika. Car informatics. On board
Vgrajeni računalniški sistemi computer systems
43.180 Diagnostična, vdrževalna in Diagnostic, maintenance and
preskusna oprema test equipment
oSIST prEN ISO 18541-2:2020 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN ISO 18541-2:2020
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oSIST prEN ISO 18541-2:2020
DRAFT INTERNATIONAL STANDARD
ISO/DIS 18541-2
ISO/TC 22/SC 31 Secretariat: DIN
Voting begins on: Voting terminates on:
2020-07-06 2020-09-28
Road vehicles — Standardized access to automotive repair
and maintenance information (RMI) —
Part 2:
Technical requirements

Véhicules routiers — Normalisation de l'accès aux informations relatives à la réparation et à la

maintenance pour l'automobile (RMI) —
Partie 2: Exigences techniques
ICS: 43.040.15; 43.180
THIS DOCUMENT IS A DRAFT CIRCULATED
This document is circulated as received from the committee secretariat.
FOR COMMENT AND APPROVAL. IT IS
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
ISO/CEN PARALLEL PROCESSING
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/DIS 18541-2:2020(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION. ISO 2020
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oSIST prEN ISO 18541-2:2020
ISO/DIS 18541-2:2020(E)
ISO/DIS 18541-2:2020(E)
Contents Page

Foreword ........................................................................................................................................................................... v

Introduction ................................................................................................................................................................... vi

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

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

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

4 Symbols and abbreviated terms .................................................................................................................2

5 Requirements overview and principles ..................................................................................................3

5.1 Basic principles for requirements definition ........................................................................................3

5.2 Requirements clustering ..............................................................................................................................3

6 Requirements cluster 1 — Access-related data administration .....................................................7

6.1 [TREQ-1] General access-related data administration ......................................................................7

6.2 [TREQ-2], [TREQ-3] Administration of IO and IO employee data by the VM ..............................7

6.2.1 [TREQ-2] Administration of IO data by the VM .....................................................................................7

6.2.2 [TREQ-3] Administration of IO employee data by the VM ................................................................8

6.3 [TREQ-4] Administration of payment data by the VM ........................................................................9

6.4 [TREQ-5] Administration of access event data by the VM .................................................................9

6.5 [TREQ-6] Administration of access event data to security-related RMI by the VM .................9

7 Requirements cluster 2 — IT architecture .......................................................................................... 10

7.1 [TREQ-7] Conceptual architecture ......................................................................................................... 10

7.2 [TREQ-8] Implementation principles .................................................................................................... 13

8 Requirements cluster 3 — External interfaces .................................................................................. 16

8.1 [TREQ-9] Vehicle communication interface (VCI) ............................................................................ 16

8.2 [TREQ-10] Trust centre (certificate management) .......................................................................... 20

8.3 [TREQ-11] Parts ordering for security-related features ................................................................ 20

8.4 [TREQ-12] Partnered accessory provider systems .......................................................................... 20

9 Requirements cluster 4 — Technical infrastructure ....................................................................... 21

9.1 [TREQ-13] Type of device .......................................................................................................................... 21

9.2 [TREQ-14] PC requirements ..................................................................................................................... 21

9.3 [TREQ-15] Operating systems .................................................................................................................. 21

9.4 [TREQ-16] Web browsers .......................................................................................................................... 22

9.5 [TREQ-17] Presentation formats for information packages ......................................................... 22

9.6 [TREQ-18] Internet connection ............................................................................................................... 23

9.7 [TREQ-19] Performance of the VM RMI system ................................................................................. 23

10 Requirements cluster 5 — Co-existence of VM software on IO client ........................................ 24

COPYRIGHT PROTECTED DOCUMENT

10.1 [TREQ-20] Requirements for installing VM-specific software on the IO client ...................... 24

10.2 [TREQ-21] Requirements for updating of installed VM data and applications on the

© ISO 2020

IO client ............................................................................................................................................................ 25

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may

10.3 [TREQ-22] Requirements for the operation of VM-specific software on the IO client ........ 25

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting

on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address

10.4 [TREQ-23] Requirements for the uninstalling of VM-specific software on the IO client .... 26

below or ISO’s member body in the country of the requester.

10.5 [TREQ-24] Requirements for restoring in case of an abnormal termination of the

ISO copyright office

VM-specific software on the IO client .................................................................................................... 26

CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva

11 Requirements cluster 6 — Operations ................................................................................................. 27

Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
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ii © ISO 2020 – All rights reserved
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oSIST prEN ISO 18541-2:2020
ISO/DIS 18541-2:2020(E)
Contents Page

Foreword ........................................................................................................................................................................... v

Introduction ................................................................................................................................................................... vi

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

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

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

4 Symbols and abbreviated terms .................................................................................................................2

5 Requirements overview and principles ..................................................................................................3

5.1 Basic principles for requirements definition ........................................................................................3

5.2 Requirements clustering ..............................................................................................................................3

6 Requirements cluster 1 — Access-related data administration .....................................................7

6.1 [TREQ-1] General access-related data administration ......................................................................7

6.2 [TREQ-2], [TREQ-3] Administration of IO and IO employee data by the VM ..............................7

6.2.1 [TREQ-2] Administration of IO data by the VM .....................................................................................7

6.2.2 [TREQ-3] Administration of IO employee data by the VM ................................................................8

6.3 [TREQ-4] Administration of payment data by the VM ........................................................................9

6.4 [TREQ-5] Administration of access event data by the VM .................................................................9

6.5 [TREQ-6] Administration of access event data to security-related RMI by the VM .................9

7 Requirements cluster 2 — IT architecture .......................................................................................... 10

7.1 [TREQ-7] Conceptual architecture ......................................................................................................... 10

7.2 [TREQ-8] Implementation principles .................................................................................................... 13

8 Requirements cluster 3 — External interfaces .................................................................................. 16

8.1 [TREQ-9] Vehicle communication interface (VCI) ............................................................................ 16

8.2 [TREQ-10] Trust centre (certificate management) .......................................................................... 20

8.3 [TREQ-11] Parts ordering for security-related features ................................................................ 20

8.4 [TREQ-12] Partnered accessory provider systems .......................................................................... 20

9 Requirements cluster 4 — Technical infrastructure ....................................................................... 21

9.1 [TREQ-13] Type of device .......................................................................................................................... 21

9.2 [TREQ-14] PC requirements ..................................................................................................................... 21

9.3 [TREQ-15] Operating systems .................................................................................................................. 21

9.4 [TREQ-16] Web browsers .......................................................................................................................... 22

9.5 [TREQ-17] Presentation formats for information packages ......................................................... 22

9.6 [TREQ-18] Internet connection ............................................................................................................... 23

9.7 [TREQ-19] Performance of the VM RMI system ................................................................................. 23

10 Requirements cluster 5 — Co-existence of VM software on IO client ........................................ 24

10.1 [TREQ-20] Requirements for installing VM-specific software on the IO client ...................... 24

10.2 [TREQ-21] Requirements for updating of installed VM data and applications on the

IO client ............................................................................................................................................................ 25

10.3 [TREQ-22] Requirements for the operation of VM-specific software on the IO client ........ 25

10.4 [TREQ-23] Requirements for the uninstalling of VM-specific software on the IO client .... 26

10.5 [TREQ-24] Requirements for restoring in case of an abnormal termination of the

VM-specific software on the IO client .................................................................................................... 26

11 Requirements cluster 6 — Operations ................................................................................................. 27

© ISO 2020 – All rights reserved
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11.1 [TREQ-25] VM RMI system availability time ...................................................................................... 27

11.2 [TREQ-26] Support for the usage of the VM RMI system ................................................................ 27

11.3 [TREQ-27] Operation of the IO PC .......................................................................................................... 28

12 Requirements cluster 7 — [TREQ-28] Functional user interface ............................................... 29

Annex A (normative) Requirements for access to security-related RMI according to SERMI

scheme ............................................................................................................................................................. 30

A.1 General ............................................................................................................................................................. 30

A.2 [TREQ-1] General access-related data administration ................................................................... 30

A.3 [TREQ-3] Administration of IO employee data by the VM ............................................................. 30

A.4 [TREQ-7] Conceptual architecture ......................................................................................................... 31

A.5 [TREQ-10] Trust centre (certificate management).......................................................................... 33

A.6 [TREQ-11] Parts ordering for security-related features ................................................................ 34

Bibliography ................................................................................................................................................................. 35

© ISO 2020 – All rights reserved
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oSIST prEN ISO 18541-2:2020
ISO/DIS 18541-2:2020(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.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).

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. Details of any

patent rights identified during the development of the document will be in the Introduction and/or on

the ISO list of patent declarations received (see www.iso.org/patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the World

Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see

www.iso.org/iso/foreword.html.

This document was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 31,

data communication.

This second edition cancels and replaces the first edition (ISO 18541-2:2014), which has been technically

revised.
The main changes compared to the previous edition are as follows:
— Security-related RMI according to SERMI scheme moved to normative Annex A;

— Previous Annex A "PC specification" has been removed. The corresponding clauses 9.2 and 9.3 were

updated accordingly;
— Figures 2, 3 and 4 were updated (security-related RMI has been deleted);
— Correction of errors and improvement of formulations in the entire document.
A list of all parts in the ISO 18541 series can be found on the ISO website.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www.iso.org/members.html.
© ISO 2020 – All rights reserved
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Introduction

The series of standards ISO 18541 includes the requirements to be fulfilled by Repair and Maintenance

Information (RMI) systems as applied by the European Commission — Enterprise and Industry

[[5]]

Directorate-General, Consumer goods — Automotive industry EC mandate M/421 , dated Brussels, 21

January 2008.

This mandate relates to the EC type-approval system for vehicles falling into the scopes of Directives

[8] [6]

70/156/EEC (replaced by 2007/46/EC ), 2002/24/EC (replaced by (EU) 168/2013 ) and

[7]

2003/37/EC (replaced by (EU) 167/2013 ) and, in particular, to requirements for access to vehicle

repair and maintenance information by independent operators.

The purpose of the EC Mandate M/421 is to develop a standard or set of standards which specify the

requirements to provide standardized access to automotive repair and maintenance information (RMI)

for independent operators.

The series of standards ISO 18451 only covers access to automotive repair and maintenance information

for light passenger and commercial vehicles (see NOTE 1) and heavy-duty vehicles (see NOTE 2) based

[8]

on Directive 70/156/EEC (replaced by 2007/46/EC ) and for two-or three-wheel vehicles and

[6]
quadricycles .

The information included in the series of standards ISO 18541 derives from the legislative requirements

on European level in the field of RMI and related security requirements and can be referenced by

legislation in other countries.

NOTE 1 Regulation (EC) No 715/2007 of the European parliament and of the council of 20 June 2007 on type-

approval of motor vehicles with respect to emissions from light passenger and commercial vehicles (Euro 5 and

Euro 6) and on access to vehicle repair and maintenance information and Commission Regulation (EC)

No 692/2008 of 18 July 2008 implementing and amending Regulation (EC) No 715/2007 of the European

Parliament and of the Council on type-approval of motor vehicles with respect to emissions from light passenger

and commercial vehicles (Euro 5 and Euro 6) and on access to vehicle repair and maintenance information and

amending Commission Regulation (EU) No 566/2011 of 8 June 2011 amending Regulation (EC) No 715/2007 of the

European Parliament and of the Council and Commission Regulation (EC) No 692/2008 as regards access to vehicle

repair and maintenance information.

NOTE 2 Regulation (EC) No 595/2009 of the European parliament and of the council of 18 June 2009 on type-

approval of motor vehicles with respect to emissions from heavy duty vehicles (Euro VI) and on access to vehicle

repair and maintenance information, Commission Regulation (EU) No 582/2011 of 25 May 2011 implementing and

amending Regulation (EC) No 595/2009 of the European Parliament and of the Council with respect to emissions

from heavy duty vehicles (Euro VI), and Commission Regulation (EU) No 64/2012 of 23 January 2012 amending

Regulation (EU) No 582/2011 2011 implementing and amending Regulation (EC) No 595/2009 of the European

Parliament and of the Council with respect to emissions from heavy duty vehicles (Euro VI).

© ISO 2020 – All rights reserved
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oSIST prEN ISO 18541-2:2020
DRAFT INTERNATIONAL STANDARD ISO/DIS 18541-2:2020(E)
Road vehicles — Standardized access to automotive repair
and maintenance information (RMI) — Part 2: Technical
requirements
1 Scope

This document includes technical requirements which are related to automotive repair and maintenance

information (RMI) systems in order to standardize access to RMI for independent operators.

This document specifies the minimum set of technical requirements related to a vehicle manufacturer's

RMI system. These requirements will reflect the deriving needs from the use cases as specified in

ISO 18541-1:20xx.

Furthermore, this document defines requirements for granting access to security-related RMI in Annex A

following the SERMI scheme.

This document is applicable to light passenger and commercial vehicles as defined in regulation

[14]
(EC) 715/2007 Article 2 .
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements 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/DIS 18541-1, Road vehicles — Standardized access to automotive RMI — Part 1: General information

and use case definition

ISO/DIS 18541-3, Road vehicles — Standardized access to automotive repair and maintenance information

(RMI) — Part 3: Functional user interface requirements

ISO 22900-2, Road vehicles — Modular vehicle communication interface (MVCI) — Part 2: Diagnostic

protocol data unit application programming interface (D-PDU API)
SAE J2534-1, Recommended Practice for Pass-Thru Vehicle Programming
SAE J2534-2, Optional Pass-Thru Features
3 Terms and definitions

For the purposes of this document, the terms and definitions given in ISO/DIS 18541-1 apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

— ISO Online browsing platform: available at http://www.iso.org/obp
— IEC Electropedia: available at http://www.electropedia.org/
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4 Symbols and abbreviated terms
API Application programming interface
CSP Certificate status protocol
DB Database
DLC Data link cable
DLL Dynamic link library
D-PDU Diagnostic – protocol data unit
DVD Optical disc storage media format
ECU Electronic control unit
FAQ Frequently asked questions
GB Giga-byte
GHz Giga-hertz
GMT Greenwich mean time
IO Independent operator
IT Information technology
LAN Local area network
MVCI Modular vehicle communication interface
NAT Network address translation
OBD On-board diagnostics
OCSP Online certificate status protocol
PC Personal computer
PKCS Public key certificate status
RMI Repair and maintenance information
RS232 Recommended standard 232

SERMI Forum for access to security-related vehicle repair and maintenance information

TREQ- Technical requirement
TC Trust centre
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ISO/DIS 18541-2:2020(E)
USB Universal serial bus
VAT No. Value added tax number
VM Vehicle manufacturer
WWH-OBD World-wide harmonized on-board diagnostics
5 Requirements overview and principles
5.1 Basic principles for requirements definition

Basic principles have been established as a guideline to define the requirements.

— BP1: The requirements stated in this document shall not specify any implementation details.

— BP2: Requirements shall be expressed in terms of performance rather than design or descriptive

characteristics. This approach leaves maximum freedom to technical development.

— BP3: A requirement is identified by a TREQ-xx, where ‘xx’ is the requirement number. Each

requirement consists of a “Main title”, “Requirement definition”, “Requirement description”,

“Explanatory / Example” and “Classification”.

— BP4: The requirements in clusters 4 and 5 in this document have been formulated with the aim of

minimizing the number of IO clients (PC, Laptop, etc.) required to access different VM RMI systems.

5.2 Requirements clustering

Figure 1 illustrates the technical requirements clusters. Figure 1 shall provide an overview about all

technical requirements clusters and the specific technical requirements. Each technical requirement is

identified by the mnemonic “TREQ-” and an alpha-numeric number. The name of the technical

requirement is descriptive for the area.
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Figure 1 — Overview about the technical requirements clusters

Table 1 provides an overview of the main categories of standardized access to automotive RMI

requirements. A requirement category shall have at least one requirement.
Table 1 — Main requirements clusters
# - Main title Brief description Technical requirements
of cluster [TREQ] reference

1 – Access- Describes the main data types to be administered by the [TREQ-1] General access-

related data VM RMI System and the requirements for the related data

administration appropriate management procedures in order to comply administration

with the standardized access to RMI.
[TREQ-2] Administration
RMI requirements related to cluster access-related data of IO data by the VM
administration are
[TREQ-3] Administration
— requirements for the administration of IO data by the of IO employee data by
VM, the VM
— requirements for the administration IO employee
data by the VM,
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# - Main title Brief description Technical requirements
of cluster [TREQ] reference
— requirements for the administration of payment [TREQ-4] Administration
data by the VM; of payment data by the
— requirements for the administration of access event
data by the VM; [TREQ-5] Administration
of access event data by the
— requirements for the administration of access event
data to security-related RMI by the VM.
[TREQ-6] Administration
of access event data to
security-related RMI by
the VM
2 – IT Describes requirements for the main IT components and [TREQ-7] Conceptual
architecture interfaces at the different IT architectural levels. architecture
RMI requirements related to cluster IT architecture are [TREQ-8]
Implementation
— requirements for the conceptual architecture;
principles
— requirements for the implementation principle
...

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