ISO/TR 3152:2022
(Main)Road vehicles — Comparison between ISO 26262-12 and other parts of the ISO 26262 series to support motorcycle adaptation
Road vehicles — Comparison between ISO 26262-12 and other parts of the ISO 26262 series to support motorcycle adaptation
This document lists differences between ISO 26262-12:2018 and other parts of the ISO 26262 series, and supports the adaptation of the ISO 26262 series for motorcycles by clarifying the intention. This document is based on ISO 26262-12:2018 and makes a comparison with the following documents: — ISO 26262-2:2018, — ISO 26262-3:2018, — ISO 26262-4:2018.
Véhicules routiers — Comparaison entre l'ISO 26262-12 et les autres parties de la série ISO 26262 pour soutenir l'adaptation aux motocycles
General Information
Standards Content (Sample)
TECHNICAL ISO/TR
REPORT 3152
First edition
2022-02
Road vehicles — Comparison between
ISO 26262-12 and other parts of
the ISO 26262 series to support
motorcycle adaptation
Véhicules routiers — Comparaison entre l'ISO 26262-12 et les
autres parties de la série ISO 26262 pour soutenir l'adaptation aux
motocycles
Reference number
ISO/TR 3152:2022(E)
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ISO/TR 3152:2022(E)
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ISO/TR 3152:2022(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 General . 1
4.1 Overview . 1
4.2 Categorization of differences . 4
4.3 Interpretation of comparison tables . 4
5 Comparison of safety culture .4
6 Comparison of confirmation measures . 5
7 Comparison of hazard analysis and risk assessment . 7
8 Comparison of vehicle integration and testing .15
9 Comparison of safety validation .18
Bibliography .19
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ISO/TR 3152:2022(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 38,
Motorcycles and mopeds.
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.
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ISO/TR 3152:2022(E)
Introduction
The ISO 26262 series is the adaptation of the IEC 61508 series, its purpose is to address the sector-
specific needs of electrical and/or electronic (E/E) systems within road vehicles.
This adaptation applies to all activities during the safety lifecycle of safety-related systems comprised
of electrical, electronic and software components.
E/E systems on motorcycles comply with the ISO 26262 series by meeting all of the requirements of
ISO 26262-2:2018 through ISO 26262-9:2018. However, some requirements can require a degree of
tailoring in order to apply them to motorcycles. In such cases, these tailored requirements supersede
the corresponding requirements of the ISO 26262 series.
The specific requirements for motorcycles compared in this document correspond to requirements
of ISO 26262-2:2018, 5.4.2 and 6.4.9; ISO 26262-3:2018, Clause 6; ISO 26262-4:2018, 7.4.4; and
ISO 26262-4:2018, Clause 8.
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TECHNICAL REPORT ISO/TR 3152:2022(E)
Road vehicles — Comparison between ISO 26262-12 and
other parts of the ISO 26262 series to support motorcycle
adaptation
1 Scope
This document lists differences between ISO 26262-12:2018 and other parts of the ISO 26262 series,
and supports the adaptation of the ISO 26262 series for motorcycles by clarifying the intention.
This document is based on ISO 26262-12:2018 and makes a comparison with the following documents:
— ISO 26262-2:2018,
— ISO 26262-3:2018,
— ISO 26262-4:2018.
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 26262-1:2018, Road vehicles — Functional safety — Part 1: Vocabulary
3 Terms and definitions
For the purposes of this document, the terms, definitions and abbreviated terms given in ISO 26262-1
apply.
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at https:// www .electropedia .org/
4 General
4.1 Overview
The objective of this clause is to give an overview of the comparison in this document. This clause
describes the contents of ISO 26262-12:2018 and the superseded clauses from ISO 26262-2:2018,
ISO 26262-3:2018 and ISO 26262-4:2018. However, identical clauses (Clause 1 to Clause 4) in all parts
are excluded from comparison. Additionally, annexes are also excluded from the comparison because of
their informative nature.
123 differences are identified as the target of categorization by comparison. The overview for each
clause is as follows.
— In Clause 5 regarding safety culture, 5 differences are categorized. These are mainly relevant
to communication channels and changed because these are implemented to limited models of
motorcycle.
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ISO/TR 3152:2022(E)
— In Clause 6 regarding confirmation measures, 16 differences are categorized. These are mainly
relevant to the level of independence required for confirmation reviews of work products and
the definition of their level, and these are changed to adapt the scale of motorcycle development.
ISO 26262-12:2018, Figure 3 is added for better understanding of independence.
— In Clause 7 regarding hazard analysis and risk assessment, 72 differences are categorized. These
are mainly relevant to how the dynamic behaviour of motorcycle differed from other vehicles, and
these are adapted by the classification of parameters for hazardous event (severity, exposure and
controllability) and the introduction of MSIL.
— In Clause 8 regarding vehicle integration and testing, 20 differences are categorized. And in Clause 9
regarding safety validation, 10 differences are categorized. These are mainly relevant to the test
feasibility for motorcycle and there is no assignment for ASIL D due to ASIL-MSIL mapping.
Figure 1 is reprinted from ISO 26262-12:2018 and it shows the relation of ISO 26262-12:2018 and the
other parts of ISO 26262 series.
SOURCE: ISO 26262-12:2018, Figure 2
Figure 1 — Overview of ISO 26262-12:2018 and the relation to the other parts
For detailed explanation of Figure 1, Table 1 shows the list of clauses/subclauses of ISO 26262-12:2018
and the superseded clauses/subclauses of the other parts of the ISO 26262 series, and remarks for them.
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ISO/TR 3152:2022(E)
Table 1 — Comparison of contents
Superseded clause/sub-
Clause/subclause of ISO 26262-12:2018 Remark
clause
5 General topics for adaptation for motorcycles — —
5.1 Objectives N/A Original
5.2 General N/A Original
6 Safety culture — —
6.1 Objective N/A Original
6.2 Requirements and recommendations ISO 26262-2:2018, 5.4.2 Modified
7 Confirmation measures — —
7.1 Objective N/A Original
7.2 Requirements and recommendations ISO 26262-2:2018, 6.4.9 Modified
8 Hazard analysis and risk assessment — —
8.1 Objectives ISO 26262-3:2018, 6.1 Modified
8.2 General ISO 26262-3:2018, 6.2 Modified
8.3 Input to this clause — —
8.3.1 Prerequisites ISO 26262-3:2018, 6.3.1 Identical
8.3.2 Further supporting information ISO 26262-3:2018, 6.3.2 Identical
8.4 Requirements and recommendations — —
8.4.1 Initiation of the hazard analysis and risk assessment ISO 26262-3:2018, 6.4.1 Modified
8.4.2 Situation analysis and hazard identification ISO 26262-3:2018, 6.4.2 Modified
8.4.3 Classification of hazardous events ISO 26262-3:2018, 6.4.3 Modified
8.4.4 Determination of safety goals ISO 26262-3:2018, 6.4.4 Modified
8.4.5 Verification ISO 26262-3:2018, 6.4.6 Modified
8.5 Work products ISO 26262-3:2018, 6.5 Identical
9 Vehicle integration and testing — —
9.1 Objective N/A Original
9.2 Requirements and recommendations — —
9.2.1 Vehicle integration ISO 26262-4:2018, 7.4.4.1 Identical
9.2.2 Test goals and test methods during vehicle testing ISO 26262-4:2018, 7.4.4.2 Modified
10 Safety validation — —
10.1 Objective ISO 26262-4:2018, 8.1 Modified
10.2 General ISO 26262-4:2018, 8.2 Identical
10.3 Inputs to this clause — —
10.3.1 Prerequisites ISO 26262-4:2018, 8.3.1 Identical
10.3.2 Further supporting information ISO 26262-4:2018, 8.3.2 Identical
10.4 Requirements and recommendations — —
10.4.1 Safety validation environment ISO 26262-4:2018, 8.4.1 Modified
10.4.2 Specification of safety validation ISO 26262-4:2018, 8.4.2 Identical
NOTE 1 The notation “N/A” in the superseded clause/subclause column means that that clause is not applicable because
comparison target is added as original.
NOTE 2 The notations in the remark column are as follows:
— ―: clauses are not for comparison, for example, clause includes only title;
— Original: clauses are added in ISO 26262-12:2018;
— Modified: clauses include partially superseded requirements from other parts;
— Identical: clauses are same requirements of other parts.
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ISO/TR 3152:2022(E)
Table 1 (continued)
Superseded clause/sub-
Clause/subclause of ISO 26262-12:2018 Remark
clause
10.4.3 Execution of safety validation ISO 26262-4:2018, 8.4.3 Modified
10.4.4 Evaluation ISO 26262-4:2018, 8.4.4 Identical
10.5 Work products ISO 26262-4:2018, 8.5 Identical
NOTE 1 The notation “N/A” in the superseded clause/subclause column means that that clause is not applicable because
comparison target is added as original.
NOTE 2 The notations in the remark column are as follows:
— ―: clauses are not for comparison, for example, clause includes only title;
— Original: clauses are added in ISO 26262-12:2018;
— Modified: clauses include partially superseded requirements from other parts;
— Identical: clauses are same requirements of other parts.
4.2 Categorization of differences
Table 2 explains the method of categorization of differences between ISO 26262-12:2018 and other
parts of ISO 26262:2018 series.
Table 2 — Categorization of differences
Categorization Remarks
Added It is intended difference to add new phrase, figure or table.
Deleted It is intended difference to delete existing phrase, figure or table.
Modified It is intended difference to modify phrase to adapt.
Unintended It is unintended difference but acceptable.
The following differences are excluded from comparison and categorization results because they have
no impact on the section meaning:
— reference number;
— existence of symbol, e.g. comma, hyphen, quotation mark;
— word form, e.g. singular/plural, verb form;
— article and preposition.
4.3 Interpretation of comparison tables
The comparison and categorization results are listed in tables. Different parts of sections are
underlined except in case of figure or table constitution or no comparison target. Each superscript
for individualization is shown with parentheses because of the possibility of confusing them with the
original superscripts of compared sections as follows:
— superscript for footnote: marked by a letter and noted at the bottom of table, e.g. a, b, c;
— superscript for category: marked by number and noted in rightmost column, e.g. (1), (2), (3).
The notation “N/A” in first column and second column means that there is no section to be compared.
5 Comparison of safety culture
This clause explains the differences in content relating to safety culture between ISO 26262-12:2018
and ISO 26262-2:2018. The differences and their categorization are listed in Table 3.
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ISO/TR 3152:2022(E)
Table 3 — Comparison of safety culture
Sections according to:
No. Category
ISO 26262-12:2018 ISO 26262-2:2018
6.1 Objective
N/A 1 Added
To provide a tailoring of ISO 26262-2:2018,
(1)
5.4.2 for motorcycle.
6.2.1 5.4.2.1
The organization shall create, foster, and The organization shall create, foster, and
2 Added
sustain a safety culture that supports and sustain a safety culture that supports and
encourages the effective achievement of encourages the effective achievement of
(2)
functional safety for motorcycles . functional safety.
6.2.3 5.4.2.3
The organization shall institute and main-
The organization shall institute and main-
tain effective communication channels be-
tain effective communication channels
3 Added
tween functional safety, cybersecurity, and
between functional safety, cybersecurity,
(3)
other potentially interacting disciplines
4 Added
and other disciplines that are related to the
that are related to the achievement of func-
achievement of functional safety.
(4)
tional safety, if applicable .
5.4.2.3 EXAMPLE 2
Communication channels between function-
N/A 5 Deleted
al safety and non-E/E related safety such as
(5)
mechanical safety.
6 Comparison of confirmation measures
This clause explains the differences in content relating to confirmation measures between
ISO 26262-12:2018 and ISO 26262-2:2018. The differences and their categorization are listed in Table 4.
Table 4 — Comparison of confirmation measures
Sections according to:
No. Category
ISO 26262-12:2018 ISO 26262-2:2018
7.1 Objective
The objective of this clause is to define the
N/A 1 Added
independency requirements of confirmation
(1)
measures associated with ASIL.
7.2.1 NOTE 1
N/A 2 Added
For motorcycles, Table 1 of this document
(2)
replaces ISO 26262-2:2018, Table 1.
(3) (3)
Table 1 (Columns of ASIL A, B and C) Table 1 (Columns of ASIL A, B, C and D) 3 Deleted
Table 1 (1st row, 1st column)
Table 1 (1st row, 1st column)
Confirmation review of the impact analysis
Confirmation review of the impact analysis
at the item level (see 6.5.1)
at item level (see ISO 26262-2:2018, 6.5.1) 4 Modified
Independence with regard to the author of
Independence with regard to those creating
the impact analysis and project manage-
(4)
the work product
(4)
ment
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ISO/TR 3152:2022(E)
Table 4 (continued)
Sections according to:
No. Category
ISO 26262-12:2018 ISO 26262-2:2018
Table 1 (2nd row, 1st column) Table 1 (2nd row, 1st column)
Confirmation review of the hazard analysis
Confirmation review of the hazard analysis and risk assessment (see ISO 26262-3:2018,
and risk assessment (see Clause 8) Clause 6)
5 Modified
Independence with regard to those creat- Independence with regard to the developers
(5)
ing the work product of the item, project management and the
(5)
authors of the work product
Table 1 (3rd row, 1st column) Table 1 (3rd row, 1st column)
Confirmation review of the safety plan (see
ISO 26262-2:2018, 6.5.3) Confirmation review of the safety plan (see
6.5.3)
Independence with regard to those creat-
(6)
ing the work product Independence with regard to the developers
of the item, project management and the
NOTE 1 A confirmation review of the safety
(6)
authors of the work product.
plan includes a review of the impact anal-
yses at element level performed due to the NOTE 1 A confirmation review of the safety
reuse of existing elements (see ISO 26262- plan includes a review of the impact anal-
2:2018, 6.5.2). yses at element level performed due to the
reuse of existing elements (see 6.5.2). 6 Modified
NOTE 2 The safety plan includes the proven
in use arguments (analysis, data and credit) NOTE 2 The safety plan includes the proven
of the proven in use candidates and the in use arguments (analysis, data and credit)
corresponding tailoring, if applicable (see of the proven in use candidates and the cor-
ISO 26262-2:2018, 6.4.6 and ISO 26262- responding tailoring, if applicable (see 6.4.6
8:2018, Clause 14). and ISO 26262-8:2018, Clause 14).
NOTE 3 The safety plan includes tailoring NOTE 3 The safety plan includes tailoring
due to the use of software tools, if applicable due to the use of software tools, if applicable
(see ISO 26262-2:2018, 6.4.6 and ISO 26262- (see 6.4.6 and ISO 26262-8:2018, Clause 11).
8:2018, Clause 11).
Table 1 (4th row, 1st column) Table 1 (4th row, 1st column)
Confirmation review of the Functional Safe-
Confirmation review of the Functional Safe-
ty Concept (see ISO 26262-3:2018, Clause 7),
ty Concept (see ISO 26262-3:2018, Clause 7),
supported by the results of the correspond-
supported by the results of the correspond-
ing safety analyses and dependent failure
ing-safety analyses and dependent failure
analyses (see ISO 26262-9:2018, Clause 8
analyses (see ISO 26262-9:2018, Clause 8
7 Modified
and ISO 26262-9:2018, Clause 7, respective-
and ISO 26262-9:2018, Clause 7, respective-
ly)
ly)
Independence with regard to the developers
Independence with regard to those creat-
of the item, project management and the
(7)
ing the work product
(7)
authors of the work product
Table 1 (5th row, 1st column) Table 1 (5th row, 1st column)
Confirmation review of the Technical Safety
Confirmation review of the Technical Safety
Concept (see ISO 26262-4:2018, Clause 6),
Concept (see ISO 26262-4:2018, Clause 6),
supported by the results of the correspond-
supported by the results of the correspond-
ing safety analyses and dependent failure
ing safety analyses and dependent failure
analyses (see ISO 26262-9:2018, Clause 8
analyses (see ISO 26262-9:2018, Clause 8
8 Modified
and ISO 26262-9:2018, Clause 7, respective-
and ISO 26262-9:2018, Clause 7, respective-
ly)
ly)
Independence with regard to the developers
Independence with regard to those creat-
of the item, project management and the
(8)
ing the work product
(8)
authors of the work product
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ISO/TR 3152:2022(E)
Table 4 (continued)
Sections according to:
No. Category
ISO 26262-12:2018 ISO 26262-2:2018
Table 1 (6th row, 1st column) Table 1 (6th row, 1st column)
Confirmation review of the integration
Confirmation review of the integration
and test strategy (see ISO 26262-4:2018,
and test strategy (see ISO 26262-4:2018,
Clause 7)
Clause 7)
9 Modified
Independence with regard to the developers
Independence with regard to those creat-
of the item, project management and the
(9)
ing the work product
(9)
authors of the work product
Table 1 (7th row, 1st column) Table 1 (7th row, 1st column)
Confirmation review of the safety valida-
Confirmation review of the safety valida-
tion specification (see ISO 26262-4:2018,
tion specification (see ISO 26262-4:2018,
Clause 8)
Clause 8)
10 Modified
Independence with regard to the developers
Independence with regard to those creat-
of the item, project management and the
(10)
ing the work product
(10)
authors of the work product
Table 1 (8th row, 1st column) Table 1 (8th row, 1st column)
Confirmation review of the safety analyses
Confirmation review of the safety analyses
and the dependent failure analyses (see
and the dependent failure analyses (see
ISO 26262-9:2018, Clause 8 and ISO 26262-
ISO 26262-9:2018, Clause 8 and ISO 26262-
9:2018, Clause 7, respectively)
11 Modified
9:2018, Clause 7, respectively)
Independence with regard to the developers
Independence with regard to those creat-
of the item, project management and the
(11)
ing the work product
(11)
authors of the work product
Table 1 NOTE
Figure 3 shows a simplified structure for
N/A 12 Added
a better understanding of independence.
In different companies, the organizational
(12)
units could be named differently.
Table 1 a (footnote) Table 1 a (footnote)
The indicated levels of independence are in-
tended to represent minimum requirements. The notations are defined as follows: 13 Added
(13)
The notations are defined as follows:
Table 1 a (footnote) Table 1 a (footnote)
— I2: the confirmation measure shall be — I2: the confirmation measure shall be
performed, by a person from a team that is performed, by a person who is independent
(14) (14) 14 Modified
different from that responsible for the from the team that is responsible for the
creation of the considered work product(s), creation of the considered work product(s),
i.e. by a person not reporting to the same i.e. by a person not reporting to the same
direct superior; and direct superior; and
Table 1 a (footnote) Table 1 a (footnote)
— I3: the confirmation measure shall be
— I3: the confirmation measure shall be
performed by a person who is independ-
performed, by a person from a different de-
ent, regarding management, resources and
partment or organization, i.e. not reporting 15 Modified
release authority, from the department
to the same department leader responsible
responsible for the creation of the consid-
(15)
for the release of the work product(s)
(15)
ered work product(s).
(16)
Figure 3 N/A 16 Added
7 Comparison of hazard analysis and risk assessment
This clause explains the differences in content relating to hazard analysis and risk assessment between
ISO 26262-12:2018 and ISO 26262-3:2018. The differences and their categorization are listed in Table 5.
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Table 5 — Comparison of hazard analysis and risk assessment
Sections according to:
No. Category
I S O26262 -1 2: 2018 ISO 26262-3:2018
8.1 a)
to specify the necessary requirements that
N/A 1 Added
need to be complied with in order to per-
form a motorcycle specific hazard analysis
(1)
and risk assessment;
8.2 6.2
Due to the fact that the dynamic behaviour
of motorcycles differs greatly from that
of other vehicles within the scope of the
ISO 26262 series of standards, and that
controllability of motorcycle specific haz-
ardous events could place more emphasis
Hazard analysis, risk assessment and
on the rider, it is recognised that the method (3)
ASIL determination are used to deter-
of performing risk assessment requires a
mine the safety goals for the item. For this,
degree of tailoring to best suit motorcycle
the item is evaluated with regard to its
2 Added
(2)
specific hazardous events.
potential hazardous events. Safety goals and
(4) 3 Modified
their assigned ASIL are determined by a
Hazard analysis, risk assessment and
systematic evaluation of hazardous events.
(3)
MSIL determination are used to deter- 4 Modified
(5)
The ASIL is determined by considering se-
mine the safety goals for the item. For this,
5 Modified
verity, probability of exposure and control-
the item is evaluated with regard to its
lability. It is based on the item’s functional
potential hazardous events. Safety goals and
behaviour; therefore, the detailed design of
(4)
their assigned MSIL are determined by a
the item does not need to be known.
systematic evaluation of hazardous events.
(5)
The MSIL is determined by consider-
ing severity, probability of exposure and
controllability. It is based on the item’s func-
tional behaviour; therefore, the detailed de-
sign of the item does not need to be known.
8.2 NOTE
Product development processes and techni-
cal solutions within the motorcycle industry
differ from those of the automobile industry.
The worldwide established level of technol-
ogy (“state-of-the-art”) in the motorcycle
industry suggests that ASIL classification
N/A 6 Added
is inappropriate for motorcycles. Therefore
MSIL classification as the output of the
HARA is used. An alignment between MSIL
and ASIL classification is established to use
requirements as defined in other parts of
ISO 26262 and accommodate worldwide
(6)
capability of the motorcycle industry.
N/A 6.4.1.2 EXAMPLE
Electronic stability control can mitigate the
effect of failures in chassis systems by in-
creasing the controllability for the driver if 7 Deleted
it is shown to be available and independent
(7)
from the item under evaluation.
a
ISO 26262-3:2018, 6.4.3.8 NOTE 2 is divided into two notes and edited respectively: ISO 26262-12:2018, 8.4.3.8 NOTE 1
and NOTE 2. The divided sentence is marked with dotted underline for clarification.
b
ISO 26262-3:2018, 6.4.5 include some requirements, but they are categorized collectively as “Deleted” because all of
them are requirements for T&B.
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ISO/TR 3152:2022(E)
Table 5 (continued)
Sections according to:
No. Category
I S O26262 -1 2: 2018 ISO 26262-3:2018
8.4.2.1 EXAMPLE 1
A normal motorcycle is not expected to
N/A 8 Added
travel on unimproved or unpaved surfaces
(8)
at high speed.
8.4.2.1 EXAMPLE 2
A normal motorcycle is not expected to
N/A 9 Added
be used for road race, motocross or trial
(9)
events.
6.4.2.2 NOTE 2
The responsibility to establish external
measures to mitigate the additional risks
from transporting goods is outside of the
N/A 10 Deleted
scope of ISO 26262. Therefore, the addition-
al risks related to the transport of goods
are not part of the hazard analysis and risk
(10)
assessment.
8.4.2.3 N
...
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