©ISO2018INTERNATIONALSTANDARDISO26262-10Secondedition2018-12Roadvehicles—Functionalsafety—Part10:GuidelinesonISO26262Véhiculesroutiers—Sécuritéfonctionnelle—Partie10:Lignesdirectricesrelativesàl'ISO26262ReferencenumberISO26262-10:2018(E)ISO26262-10:2018(E)ii©ISO2018–Allrightsreserved©ISO2018COPYRIGHTPROTECTEDDOCUMENTAllrightsreserved.Unlessotherwisespecified,orrequiredinthecontextofitsimplementation,nopartofthispublicationmaybereproducedorutilizedotherwiseinanyformorbyanymeans,electronicormechanical,includingphotocopying,orpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbeloworISO’smemberbodyinthecountryoftherequester.ISOcopyrightofficeCP401•Ch.deBlandonnet8CH-1214Vernier,GenevaPhone:+41227490111Fax:+41227490947Email:copyright@iso.orgWebsite:www.iso.orgPublishedinSwitzerlandiii©ISO2018–AllrightsreservedISO26262-10:2018(E)ContentsPageForeword........................................................................................................................................................................viIntroduction................................................................................................................................................................viii1Scope....................................................................................................................................................................12Normativereferences....................................................................................................................................13Termsanddefinitions...........................................................................................................................24KeyconceptsofISO26262.............................................................................................................................24.1Functionalsafetyforautomotivesystems(relationshipwithIEC61508[1]).......................................24.2Item,system,element,component,hardwarepartandsoftwareunit...........................................44.3Relationshipbetweenfaults,errorsandfailures...........................................................................54.3.1Progressionoffaultstoerrorstofailures......................................................................................54.4FTTIandemergencyoperationtoleranttimeinterval..................................................................64.4.1Introduction............................................................................................................................................64.4.2Timingmodel—Examplecontrolsystem.....................................................................75Selectedtopicsregardingsafetymanagement..........................................................................................95.1Workproduct..............................................................................................................................95.2Confirmationmeasures................................................................................................................95.2.1General..........................................................................................................................95.2.2Functionalsafetyassessment....................
