JAPANESEAUTOMOBILESTANDARDJASOD607:1999AutomotiveParts-Colorcodeforwiringharness1.ScopeThisStandardspecifiescolorcodingforwireharnesscablesusedinautomobiles.Remarks:Thetermwireharnesscablesreferstoelectriccablesusedinautomobiles,whicharespecifiedinJISC3406andJASOD611.2.ApplicablePublicationsThefollowingpublicationsformapartofthisStandardtotheextentspecifiedherein.Thelatestissuesofallpublicationsshallapply.JISC3406JIS28721JASOD611Low-VoltageCablesforAutomobilesColorSpecification-AccordingtoTheirAttributesCharacteristicsLow-TensionCableswithThinWallInsulationforAutomobiles3.ColorCodesforCablesColorsymbolsandcolorsforgroundsandmarkingsusedforwireharnesscablesshallbeasspecifiedin5.ColorCodesforCablesofJISC3406andthecolorcodesforcircuitcablesshallbedesignatedinaccordancewithTable1.Table1ColorCodesforCables(Nominalsize5orbelow)MarkingColorII2.5P3/8I0=VNote*TypicalexamplesconformingtoJIS28721.Remarks1.@,O,andintheTableindicatethefollowing:@:SpecifiedinJISC3406preferablyappliedtonominalsize2-5O:RecommendedbutnotspecifiedinJISC3406:Notrecommendedforuse2.Nomarkingisindicatedwhenthesamecolorisusedforthegroundandthemarking.3.Thecolorshallbeeitherblackorwhitefornominalsizes8-15,andblackforsize20andabove.1JAS0D607:1999ExplanatoryNotesonColorCodeforWiringHarnessTheseexplanatorynotesservetoexplainmattersspecifiedanddescribedinthemaintextandrelatedmatterswhichdonotconstituteapartofthisStandard.1.PurposeandBackgroundofEstablichmentlRevisions1.IPurposeofEstablishmentCombinationsofcolorcodesforwireharnesscablesandapplicationcircuitsvariedextensivelyamongmanufacturers,promptingtheestablishmentofthisStandardin1973.TheStandardisintendedtofacilitateapplicationselection,check-upandmaintenanceproceduresforspecifiedcircuits.I.2BackgroundoftheTwoPrecedingRevisionsAfter1982,theadditionofnewfunctionsincludingsystemstoimprovefuelefficiencyandsafety,contributedtotheproliferationofwireharnesscircuits,exhaustingthecolorsavailableforcoding.Basedontheactualuseofcablecolors,atotalof60colorswereaddedbytherevisions.1.3BackgroundoftheCurrentRevision(1999)Duringthe10yearssincethepreviousrevision,variousnewfunctionshavebeenaddedtoautomobilestoenhancesafety,anti-pollution,energyconservation,aswellascomfortandconvenience.TheimplementationofadvancedelectronicsystemsincumbenttotheseimprovementshasledtoasignificantincreaseinthenumberofcircuitsusedandthesubsequentdiscrepancybetweentherelevantStandardandtheactualconditionofuse.Topromoteuniformapplicationamongallcarmanufacturers,improveproductivityofelectriccablemanufacturers,andfacilitateidentificationproceduresformaintenancecheck-ups,theElectricCablesSubcommitteeoftheElectricEquipmentCommitteebeganrevisionstostandardizecolorcombinationsforwireharnesscablesusedinautomobiles.Priortotherevision,thecommitteemembersrepresenting(eight)automobilemanufacturersconductedsurveyswithintheirowncompaniesofactualuseofcablecolorcombinationsandthecircuitsaffected.Committeemembersrepresenting(six)electriccablemanufacturesinvestigatedproductionofelectriccablesbycolorovertheprecedingsixmonths.Theresultsofthesurveysservedasthebasisforthisrevision.Asaresult,unificationamongmanufacturerswasconfirmedconcerningcircuitsforchargers(groundcolor:white),starterslearths(groundcolor:black),andillumination(groundcolor:red).Forsignalcircuits,theunifieduseofgreenwasconfirmedforsignallights.MeasuringinstrumentsweredeletedfromtheStandardsincethesurveysindicatednounificationinuseofcolorcodes.Thelittleusedcolorsofdarkgreenandcharcoalbrownweredeletedandpurplewasadded.TheStandardformatwasalsoreviewedtocorrespondtoJIS28301-1996.Theoriginaldraftrevision,wasreviewedbytheElectricEquipmentCommitteeandtheStandardsCommitteeandwasapprovedbytheStandardsCounciloftheSocietyofAutomotiveEngineersofJapan,Inc.inMarch,1999Easilyconfusedcombinationsofmarkingcolorsweresubjecttoreadjustment.2.ObjectiveofEstablishmentThisStandardisintendedtoprovideadesignstandardforcolorcodingofwireharnesscablesandtoprovideuniformprocedurestofacilitateactualuseandselection.3.PendingIssuesTheoriginalintentofthisrevisionwastoachievestandardizationandunificationbetweenapplicationcircuitsandcolorcodesforelectriccables.However,surveysofautomobilemanufacturersrevealedtheuseofseparatestandardsbyeachmanufacturer.Thiswasdueinparttothelongintervalsincethelastrevision.Additionally,cablecolorsandcolorselectionstandardscouldnotkeepupwiththeincreaseinthenumberofcircuitsresultingfromrapidadvancementsinelectricsystems.Conditionsforsignalandmeasuringinstrumentcircuitswerenotatallstandardizedandvariedtooextensively,precludinganyattemptsatunification.Itisleftforthenextrevisiontoexplicitlydefineallrelatedcircuitsandcompletestandardization2JAS0D607:1999ofcolorselection,etc.4.NameofStandardandEnglishTitleThenameoftheStandard,tocorrespondtoAnnex1ofJIS28301-1996,waschangedtoAutomotiveParts-ColorCodeforWiringHarness.5.Scope(1ofthemaintext)InthepreviousStandard,JISC3406wasreferredtointhetextof1.Scope.Sincesuchreferenceinthetextisuncommon,andsinceJISC3406concernslow-voltagecablesforautomobilesratherthanwiri