CVT自诊断(英文)

Service6ServiceDepartment.TechnicalInformationWorkshopManualAudiA61998➤multitronic01J,self-diagnosisEdition02.2005Service6Allrightsreserved.Noreproductionwithoutprioragreementfrompublisher.PrintedinGermanyA02.5618.59.20Copyright©2005AudiAG,IngolstadtRepairGroupoverviewforworkshopmanualAudiA61998➤WhenfilingaTechnicalBulletin,enterthebulletinnumberinthecolumnadjacenttotheRepairGroup.WhenusingtheMaintenanceManualyoucanthenseeataglancewhetherTechnicalBulletinshavebeenpublishedwhichrefertotheRepairGroupyouarelookingfor.Technicalinformationshouldalwaysbeavailabletotheforemenandmechanics,becausetheircarefulandconstantadherencetotheinstructionsisessentialtoensurevehicleroad-worthinessandsafety.Inaddition,thenormalbasicsafetyprecautionsforworkingonmotorvehiclesmust,asamatterofcourse,beobserved.multitronic01J,self-diagnosisEdition02.2005RepairGroupTechnicalBulletins01Self-diagnosis,electricalchecksAudiA61998➤multitronic01J,self-diagnosis02.2005Contentsiii6Contents01–Self-diagnosis,electricalchecks............................................................1Self-diagnosisfunction......................................................................1.1Gearboxcontrolunitsafetyfunctions......................................................2Electrical/electroniccomponentsandfittinglocations.....................................3Self-diagnosisprocedure....................................................................3.1Safetyprecautions...........................................................................3.2Connectingupvehiclediagnostic,testingandinformationsystem-VAS5051A-andselectingfunctions...........................................................................3.3Listofavailablefunctions...................................................................4Interrogatingfaultmemory..................................................................4.1Interrogatingfaultmemory.................................................................4.2Faulttables...................................................................................4.3Faulttablesforfaults16889/P0505to18159/P1751................................4.4Faulttablesforfaults18161/P1753to18260/P1852................................5Finalcontroldiagnosis.......................................................................6Erasingfaultmemory........................................................................7Endofoutput................................................................................8Encodingcontrolunit........................................................................9Readingmeasuredvalueblock..............................................................9.1Listofavailabledisplaygroups.............................................................9.2Testtable.....................................................................................10Adaptionofclutchcharacteristiccurve....................................................11Electricalchecks.............................................................................11.1Connectingadapter-V.A.G1598/21-(testbox)toautomaticgearboxcontrolunit-J217--vehiclesuptoModelYear2003..................................................11.2Connectingadapter-V.A.G1598/37-(testbox)toautomaticgearboxcontrolunit-J217--ModelYear2004vehicles.........................................................11.3Electricalchecking-ModelYear2001vehicles...........................................11.4Electricalchecking-ModelYear2002and2003vehicles................................11.5Electricalchecking-ModelYear2004vehicles...........................................11.6Checkingselectorleverlocksolenoid-N110-..............................................11.7Checkingpowersupplyforshiftmechanismcover.......................................11.8Electricalcheckingofsolenoidvalvesandpressureregulatingvalves....................12CANbus......................................................................................12.1Checking“two-wirebussystem”...........................................................12.2Twocontrolunitscommunicatingviaa“two-wirebussystem”.........................12.3Threeormorecontrolunitscommunicatingviaa“two-wirebussystem”...............1124889101111121226383940404243465960626365697376767778787980AudiA61998➤multitronic01J,self-diagnosis02.2005Contents6ivAudiA61998➤multitronic01J,self-diagnosis02.20051Self-diagnosisfunction161Self-diagnosisfunctionGeneralinformation♦TheCVTautomaticgearbox“multitronic01J”featureselectronic/hydrauliccontrol.♦Theautomaticgearboxcontrolunit-J217-receivesinfor-mationfromcomponentswhichinfluencethegearshiftop-erations.Thecontrolunitusesthisinformationtoactuatethecorrespondingproportionalvalvesinthevalvebody.The3proportionalvalvesregulatethefluidpressuregen-eratedbytheATFpump.♦Proportionalvalve1regulatesapplicationandreleaseoftheclutchesandbrakes.♦Proportionalvalve2regulatesthetransmissionratiosbe-tweenthetwosetsofdiscsonthebasisofthedrivingsit-uation,i.e.itregulatesthepressuresa