AudiVorsprungdurchTechnikAudiServiceTraining477AudiA1Allrightsreserved.Technicalspecificationssubjecttochange.CopyrightAUDIAGI/VK-35service.training@audi.deAUDIAGD-85045IngolstadtTechnicalstatus:05/10PrintedinGermanyA10.5S00.70.20Self-StudyProgramme4772TheAudiA1isatrueAudi–itisfirstpremiumautomobileinthesubcompactsegment.Theagile,sportyAudiA1isperfectforuseinbigcitiesthankstoitscompactdimensionsanditsexcellentfueleconomy.Themainstylingfeaturescanbeseeninthebodydesign.Thepronounced,encompassingshoulderlineflowsfromfronttobackandbacktofront,culminatinginthegrilleatthefront.The“3boxdesignwithrearspoileratypicalofsmallcarsandtheaccentuatedrear-endstylinggivetheA1astrikinganddistinctiveappearance.TheAudiA1alsobenefitsfrominnovationstakenfromlargerAudimodels.Inadditiontoitsstate-of-the-artengines,examplesofwhattheA1hastoofferincludeastart-stopsystem,abrakeenergyrecuperationsystemandanon-boardcomputerwithefficiencyprogram.Thesetechnologiesarecomplementedbyanarrayofinfotainmentoptionsotherwiseexclusivetoluxury-classmodels.Thewiderangeofcustomisationoptionsenablesitsyoung,urbantargetgroupinparticulartoexpresstheirownpersonalstyle.TheAudiA1willbebuiltattheAudiplantinBrussels,whereagreatdealhasbeeninvestedinthemodernisationoftheproduc-tionfacilitiesinordertocompletelysatisfythemoststringentofqualitystandards.LearningobjectivesofthisSelf-StudyProgrammeare:ThisSelf-StudyProgrammeprovidesyouwithinformationabouttheAudiA1asawhole.OnceyouhaveworkedyourwaythroughthisSelf-StudyProgramme,willyoubeabletoanswerthefol-lowingquestions:•AtwhichproductionplantistheA1manufactured?•Inwhichpartsofthevehiclearehigh-andultrahigh-strengthsteelsused?•Whichcomponentshavebeeninstalledforthepurposesofoccupantprotection?•WhichengineswithwhichgearboxesareusedintheA1?•Whichcomponentscontributetoroadsafety?•Howaretheelectricalcomponentsdistributedinthevehicleandwherearetheyinstalled?•Whichinfotainmentcomponentsareinstalledinthevehicleandhowaretheyoperated?•Howdotheairconditioningsystemandtheairdistributionsystemwork?477_0023IntroductionInbrief_______________________________________________________________________________________________________________________________________________________4BodyIntroduction_________________________________________________________________________________________________________________________________________________6Floorpanassembly__________________________________________________________________________________________________________________________________________7OccupantprotectionIntroduction________________________________________________________________________________________________________________________________________________10Systemoverview___________________________________________________________________________________________________________________________________________11Crashsensors_______________________________________________________________________________________________________________________________________________12EngineTFSIengines________________________________________________________________________________________________________________________________________________14TDIengines_________________________________________________________________________________________________________________________________________________20Fueltank____________________________________________________________________________________________________________________________________________________24Exhaustsystem_____________________________________________________________________________________________________________________________________________25GearboxManualgearbox____________________________________________________________________________________________________________________________________________26Automaticgearbox_________________________________________________________________________________________________________________________________________28ChassisAxles_________________________________________________________________________________________________________________________________________________________31Chassisalignmentandconfiguration____________________________________________________________________________________________________________________33Brakesystem_______________________________________________________________________________________________________________________________________________33Steeringsystem____________________________________________________________________________________________________________________________________________36Wheelsandtyres___________________________________________________________________________________________________________________________________________39ElectricalsystemPowersupply_______________________________________________________________________________________________________________________________________________40Installationlocationsofthecontrolunits___________________________________________________________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