SAE J2610-2002 Serial Data Communication Interface

SAETechnicalStandardsBoardRulesprovidethat:“ThisreportispublishedbySAEtoadvancethestateoftechnicalandengineeringsciences.Theuseofthisreportisentirelyvoluntary,anditsapplicabilityandsuitabilityforanyparticularuse,includinganypatentinfringementarisingtherefrom,isthesoleresponsibilityoftheuser.”SAEreviewseachtechnicalreportatleasteveryfiveyearsatwhichtimeitmaybereaffirmed,revised,orcancelled.SAEinvitesyourwrittencommentsandsuggestions.TOPLACEADOCUMENTORDER:[phone]FAX:[phone]SAEWEBADDRESS—ThepurposeofthisdocumentistospecifytherequirementsnecessarytofullydefinetheSerialDataCommunicationInterface(SCI)usedinthereprogrammingofemission-relatedpowertrainElectronicControlUnits(ECU)inDaimlerChryslerCorporation(ChryslerGroup)vehicles.ItisintendedtosatisfynewregulationsproposedbythefederalU.S.EnvironmentalProtectionAgency(EPA)andCaliforniaAirResourceBoard(CARB)regulatoryagenciesregarding“pass-thruprogramming”ofallOn-BoardDiagnostic(OBD)compliantemission-relatedpowertraindevices.Theserequirementsareintendedtoprovideindependentautomotiveserviceorganizationsandafter-marketscantoolsupplierstheabilitytoreprogramemission-relatedpowertrainECUsforallmanufacturersofautomotivevehicles.ThisspecificationshallstrictlyapplytoDaimlerChryslerCorporationvehiclesdevelopedandmanufacturedexclusivelybytheformerChryslerCorporation,andforpurposesofclarification,referredtohereinasDaimlerChryslerCorporation(ChryslerGroup).ThisspecificationshallnotapplytootherDaimlerChryslerCorporationvehiclesorsubsidiaries,includingproductsdevelopedandmanufacturedbyMercedes-Benz,Smart,orMitsubishiMotorsCorporation.TheSCIcommunicationlinkdefinedhereinshallapplytoOBDvehiclesretroactivetothe1994modelyear.TheserequirementsareinadditiontotheapprovedOBDcommunicationlinkspreviouslyspecifiedandincludedinSAEJ2534Pass-ThruProgramming,andconstituteuniqueDaimlerChryslerCorporation(ChryslerGroup)manufacturer-specificrequirements.ThisspecificationwillbereferencedfromwithinSAEJ2534asatechnicalinformationreport.TABLEOFCONTENTS1Scope.......................................................................................................................................................31.1Purpose....................................................................................................................................................31.2Applications..............................................................................................................................................31.3History......................................................................................................................................................32References...............................................................................................................................................42.1ApplicablePublications............................................................................................................................42.1.1SAEPublications......................................................................................................................................42.1.2ISOPublications.......................................................................................................................................42.2RelatedPublications.................................................................................................................................43Definitions.................................................................................................................................................44.AbbreviationsandAcronyms....................................................................................................................5SAEJ2610IssuedAPR2002-2-5TechnicalOverview..................................................................................................................................55.1General.....................................................................................................................................................55.2CommunicationModel..............................................................................................................................66PhysicalLayer..........................................................................................................................................66.1DataRateSpecification............................................................................................................................76.1.1Initialization...............................................................................................................................................76.1.2CommunicationModes.............................................................................