©ISO2018INTERNATIONALSTANDARDISO26262-9Secondedition2018-12Roadvehicles—Functionalsafety—Part9:Automotivesafetyintegritylevel(ASIL)-orientedandsafety-orientedanalysesVéhiculesroutiers—Sécuritéfonctionnelle—Partie9:Analysesliéesauxniveauxd'intégritédesécuritéautomobile(ASIL)etàlasécuritéReferencenumberISO26262-9:2018(E)ISO26262-9:2018(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–AllrightsreservedISO26262-9:2018(E)ContentsPageForeword.........................................................................................................................................................................vIntroduction.................................................................................................................................................................vii1Scope....................................................................................................................................................................12Normativereferences....................................................................................................................................23Termsanddefinitions...........................................................................................................................24Requirementsforcompliance.......................................................................................................................24.1Purpose......................................................................................................................................................................24.2Generalrequirements..................................................................................................................24.3Interpretationsoftables........................................................................................................................................34.4ASIL-dependentrequirementsandrecommendations................................................................34.5Adaptationformotorcycles..........................................................................................................34.6Adaptationfortrucks,buses,trailersandsemi-trailers................................................................45RequirementsdecompositionwithrespecttoASILtailoring.................................................................45.1Objectives..................................................................................................................................................................45.2General.........................................................................................................................................45.3Inputstothisclause................................................