Road vehicles — Functional safety — Part 2: Management of functional safety

This document is intended to be applied to safety-related systems that include one or more electrical and/or electronic (E/E) systems and that are installed in series production road vehicles, excluding mopeds. This document does not address unique E/E systems in special vehicles such as E/E systems designed for drivers with disabilities. NOTE Other dedicated application-specific safety standards exist and can complement the ISO 26262 series of standards or vice versa. Systems and their components released for production, or systems and their components already under development prior to the publication date of this document, are exempted from the scope of this edition. This document addresses alterations to existing systems and their components released for production prior to the publication of this document by tailoring the safety lifecycle depending on the alteration. This document addresses integration of existing systems not developed according to this document and systems developed according to this document by tailoring the safety lifecycle. This document addresses possible hazards caused by malfunctioning behaviour of safety-related E/E systems, including interaction of these systems. It does not address hazards related to electric shock, fire, smoke, heat, radiation, toxicity, flammability, reactivity, corrosion, release of energy and similar hazards, unless directly caused by malfunctioning behaviour of safety-related E/E systems. This document describes a framework for functional safety to assist the development of safety-related E/E systems. This framework is intended to be used to integrate functional safety activities into a company-specific development framework. Some requirements have a clear technical focus to implement functional safety into a product; others address the development process and can therefore be seen as process requirements in order to demonstrate the capability of an organization with respect to functional safety. This document does not address the nominal performance of E/E systems. This document specifies the requirements for functional safety management for automotive applications, including the following: — project-independent requirements with regard to the organizations involved (overall safety management), and — project-specific requirements with regard to the management activities in the safety lifecycle, i.e. management during the concept phase and the product development phases (at the system, hardware and software level), and regarding production, operation, service and decommissioning. Annex A provides an overview on objectives, prerequisites and work products of this document.

Véhicules routiers — Sécurité fonctionnelle — Partie 2: Gestion de la sécurité fonctionnelle

General Information

Status
Published
Publication Date
16-Dec-2018
Current Stage
9092 - International Standard to be revised
Completion Date
08-Jul-2024
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INTERNATIONAL ISO
STANDARD 26262-2
Second edition
2018-12
Road vehicles — Functional safety —
Part 2:
Management of functional safety
Véhicules routiers — Sécurité fonctionnelle —
Partie 2: Gestion de la sécurité fonctionnelle
Reference number
©
ISO 2018
© ISO 2018
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
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2018 – All rights reserved

Contents Page
Foreword .v
Introduction .vii
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 Requirements for compliance . 2
4.1 Purpose . 2
4.2 General requirements . 2
4.3 Interpretations of tables . 3
4.4 ASIL-dependent requirements and recommendations . 3
4.5 Adaptation for motorcycles . 3
4.6 Adaptation for trucks, buses, trailers and semi-trailers. 3
5 Overall safety management. 4
5.1 Objectives. 4
5.2 General . 4
5.2.1 Overview of the safety lifecycle . 4
5.2.2 Explanatory remarks on the safety lifecycle . 5
5.3 Inputs to this clause . 9
5.3.1 Prerequisites . 9
5.3.2 Further supporting information . 9
5.4 Requirements and recommendations . 9
5.4.1 General. 9
5.4.2 Safety culture . 9
5.4.3 Management of safety anomalies regarding functional safety .10
5.4.4 Competence management .11
5.4.5 Quality management system .11
5.4.6 Project-independent tailoring of the safety lifecycle .12
5.5 Work products .12
6 Project dependent safety management .12
6.1 Objectives.12
6.2 General .13
6.3 Inputs to this clause .14
6.3.1 Prerequisites .14
6.3.2 Further supporting information .14
6.4 Requirements and recommendations .14
6.4.1 General.14
6.4.2 Roles and responsibilities in safety management .14
6.4.3 Impact analysis at the item level .15
6.4.4 Reuse of an existing element .16
6.4.5 Tailoring of the safety activities .16
6.4.6 Planning and coordination of the safety activities .17
6.4.7 Progression of the safety lifecycle .19
6.4.8 Safety case .20
6.4.9 Confirmation measures .20
6.4.10 Confirmation reviews .23
6.4.11 Functional safety audit .24
6.4.12 Functional safety assessment .25
6.4.13 Release for production . . .27
6.5 Work products .28
7 Safety management regarding production, operation, service and decommissioning .28
7.1 Objective .28
7.2 General .28
7.3 Inputs to this clause .28
7.3.1 Prerequisites .28
7.3.2 Further supporting information .28
7.4 Requirements and recommendations .28
7.4.1 General.28
7.4.2 Responsibilities, planning and required processes .29
7.5 Work products .29
Annex A (informative) Overview of and workflow of functional safety management .30
Annex B (informative) Safety culture .33
Annex C (informative) Guidance for the confirmation measures .35
Annex D (informative) Example of a functional safety assessment agenda (for items that
have an ASIL D safety goal) .40
Annex E (informative) Guidance on potential interaction of functional safety with cybersecurity 43
Bibliography .45
iv © ISO 2018 – All rights reserved

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 on 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 the followi
...


INTERNATIONAL ISO
STANDARD 26262-2
Redline version
compares Second edition to
First edition
Road vehicles — Functional safety —
Part 2:
Management of functional safety
Véhicules routiers — Sécurité fonctionnelle —
Partie 2: Gestion de la sécurité fonctionnelle
Reference number
ISO 26262-2:redline:2018(E)
©
ISO 2018
ISO 26262-2:redline:2018(E)
IMPORTANT
This marked-up version uses the following colour-coding in the marked-up text:
Text example 1 — Text has been added (in green)
— Text has been deleted (in red)
Text example 2
— Graphic figure has been added
— Graphic figure has been deleted
1.x . — If there are changes in a clause/subclause, the corresponding clause/
subclause number is highlighted in yellow in the Table of contents
DISCLAIMER
This marked-up version highlights the main changes in this edition of the document
compared with the previous edition. It does not focus on details (e.g. changes in
punctuation).
This marked-up version does not constitute the official ISO document and is not intended to
be used for implementation purposes.
© ISO 2018
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
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2018 – All rights reserved

ISO 26262-2:redline:2018(E)
Contents Page
Foreword .v
Introduction .vii
1 Scope . 1
2 Normative references . 2
3 Terms, definitions and abbreviated terms  and definitions . 2
4 Requirements for compliance . 2
4.1 Purpose . 2
4.1 4.2 General requirements . 2
4.2 4.3 Interpretations of tables .3
4.3 4.4 ASIL-dependent requirements and recommendations .3
4.5 Adaptation for motorcycles . 4
4.6 Adaptation for trucks, buses, trailers and semi-trailers. 4
5 Overall safety management. 4
5.1 Objective Objectives . . 4
5.2 General . 4
5.2.1 Overview of the safety lifecycle . 4
5.2.2 Explanatory remarks on the safety lifecycle . 6
5.3 Inputs to this clause .11
5.3.1 Prerequisites .11
5.3.2 Further supporting information .11
5.4 Requirements and recommendations .12
5.4.1 General.12
5.4.2 Safety culture .12
5.4.3 Management of safety anomalies regarding functional safety .13
5.4.3 5.4.4 Competence management .14
5.4.4 5.4.5 Quality management during the safety lifecycle system .15
5.4.5 5.4.6 Project-independent tailoring of the safety lifecycle .15
5.5 Work products .15
6 Safety management during the concept phase and the product development Project
dependent safety management .15
6.1 Objectives.15
6.2 General .16
6.3 Inputs to this clause .17
6.3.1 Prerequisites .17
6.3.2 Further supporting information .17
6.4 Requirements and recommendations .17
6.4.1 General.17
6.4.2 Roles and responsibilities in safety management .18
6.4.3 Planning and coordination of the safety activities Impact analysis at the
item level.18
6.4.4 Progression of the safety lifecycle Reuse of an existing element .21
6.4.5 Tailoring of the safety activities .21
6.4.6 Planning and coordination of the safety activities .23
6.4.7 Progression of the safety lifecycle .25
6.4.6 6.4.8 Safety case.25
6.4.7 6.4.9 Confirmation measures: types, independency and authority  .26
6.4.10 Confirmation reviews .33
6.4.8 6.4.11 Functional safety audit .33
6.4.9 6.4.12 Functional safety assessment .35
6.4.13 Release for production . . .37
6.5 Work products .38
ISO 26262-2:redline:2018(E)
7 Safety management after the item's release for production regarding production,
operation, service and decommissioning .38
7.1 Objective .38
7.2 General .38
7.3 Inputs to this clause .38
7.3.1 Prerequisites .38
7.3.2 Further supporting information .39
7.4 Requirements and recommendations .39
7.4.1 General.39
7.4.2 Responsibilities, planning and required processes .39
7.5 Work products .39
Annex A (informative) Overview of and workflow of functional safety management .40
Annex B (informative) Examples for evaluating a safety Safety culture .44
Annex C (informative) Aim of Guidance for the confirmation measures .46
Annex D (informative) Overview of the verification reviews .52
Annex E D (informative) Example of a functional safety assessment agenda (for items that
have an ASIL D safety goal) .53
Annex E (informative) Guidance on potential interaction of functional safety with
cybersecurity . .56
Bibliography .58
iv © ISO 2018 – All rights reserved

ISO 26262-2:redline:2018(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 a
...

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