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__________________________________________________________________________________________________________________________________________SAETechnicalStandardsBoardRulesprovidethat:“ThisreportispublishedbySAEtoadvancethestateoftechnicalandengineeringsciences.Theuseofthisreportisentirelyvoluntary,anditsapplicabilityandsuitabilityforanyparticularuse,includinganypatentinfringementarisingtherefrom,isthesoleresponsibilityoftheuser.”SAEreviewseachtechnicalreportatleasteveryfiveyearsatwhichtimeitmaybereaffirmed,revised,orcancelled.SAEinvitesyourwrittencommentsandsuggestions.Copyright©2007SAEInternationalAllrightsreserved.Nopartofthispublicationmaybereproduced,storedinaretrievalsystemortransmitted,inanyformorbyanymeans,electronic,mechanical,photocopying,recording,orotherwise,withoutthepriorwrittenpermissionofSAE.TOPLACEADOCUMENTORDER:Tel:877-606-7323(insideUSAandCanada)Tel:724-776-4970(outsideUSA)Fax:724-776-0790Email:CustomerService@sae.orgSAEWEBADDRESS:“singleclass”functionalstatuswithapplicationofmultiplecategoriesoffunctions.ChangeswerealsomadetotheterminologyandexamplestoharmonizewiththesimilarconceptinISO7637,ISO11451,ISO11452andISO16750.TABLEOFCONTENTS1.SCOPE..........................................................................................................................................................22.REFERENCES..............................................................................................................................................22.1ApplicableDocuments..................................................................................................................................22.1.1SAEPublications...........................................................................................................................................23.DEFINITIONS...............................................................................................................................................34.MEASUREMENTPHILOSOPHY..................................................................................................................35.ESSENTIALELEMENTSOFFUNCTIONPERFORMANCESTATUSCLASSIFICATION(FPSC)............45.1TestSignalandTestMethod........................................................................................................................45.2FunctionPerformanceStatus.......................................................................................................................45.2.1StatusI..........................................................................................................................................................45.2.2StatusII.........................................................................................................................................................45.2.3StatusIII........................................................................................................................................................45.2.4StatusIV........................................................................................................................................................55.3TestSignalSeverityLevel............................................................................................................................56.NOTES..........................................................................................................................................................56.1MarginalIndicia.............................................................................................................................................5APPENDIXA-ILLUSTRATIONOFFUNCTIONPERFORMANCESTATUSCLASSIFICATION........................................6APPENDIXB-APPLICATIONOFFUNCTIONPERFORMANCESTATUSCLASSIFICATION..........................................7CopyrightSAEInternationalProvidedbyIHSunderlicensewithSAENotforResaleNoreproductionornetworkingpermittedwithoutlicensefromIHS--`,,```,,,,````-`-`,,`,,`,`,,`---SAEJ1812RevisedMAY2007-2-1.SCOPEThisSAEStandardprovidesageneralmethodfordefiningtheacceptablefunctionperformancestatusclassificationforthefunctionsofautomotiveelectronicdevicesuponapplicationofthetestconditionsspecifiedasdescribedinappropriateEMCimmunityteststandards(forexample,SAEJ1113andSAEJ551).Testingofdevicescouldbeperformedeitheronoroffvehicles.Appropriatetestsignalandmethods,FunctionPerformancestatus,andtestsignalseveritylevelwouldhavetobespecifiedintheindividualcases.2.REFERENCES2.1ApplicablePublicationsThefollowingpublicationsformapartofthisspecificationtotheextentspecifiedherein.Unlessotherwisespecified,thelatestissueofSAEpublicationsshallapply.2.1.1SAEPublicationsAvailablefromSAE,400CommonwealthDrive,Warrendale,PA15096-0001,Tel:877-606-7323(insideUSAandCanada)or724-776-4970(outsi