ESP PORSCHE BOXSTER 2007 2.G Service Manual

TPCTirePressureMonitoring
Function
Pleaseobservethechapter”TIREPRESSUREFORCOLDTIRES”onpage304.
TheTirePressureMonitoringcontinuouslymoni-torstirepressureandtiretemperatureonallfourwheelsandwarnsthedriverwhenthetirepressureistoolow.
ThedisplayaswellasthesettingsfortheTirePressureMonitoringtakeplaceontheon-boardcomputer.However,youmuststilladjustthetirepressureonthewheel.
Thedriverisresponsibleforfillingthetirescorrectlyandmakingthecorrectsettingsontheon-boardcomputer.
TheTirePressureMonitoringoffersthefollowingfunctions:
–Displayoftheactualtirepressurewhilethevehicleisinmotion
–Displayofthedeviationfromtherequiredpressure(refillingpressure)
–Displayofcurrentlysettiresizeandtype
–Tirepressurewarningsintwostages
Caution!
DespitetheadvantagesofferedbytheTirePressureMonitoring,itisstillthedriver’sresponsibilitytoupdatethecorrespondingsettingsintheon-boardcomputerandmaintainthepressureinthetires.Lowtirepressurereducestheroadsafetyofthevehicleanddestroysthetireandwheel.
Whenaflattirehasbeendisplayed,immediate-lystopinasuitableplaceandcheckthetiresfordamage.Ifnecessary,remedythedamagewithatiresealant.
Donotbyanymeanscontinuetodrivewithdefectivetires.
Sealingthetirewithtiresealantisonlyanemergencyrepair,soyoucandrivetothenextauthorizedPorschedealer.Themaximumpermittedspeedis50mph(80km/h).
Donotdrivewithtireswhosetirepressuredropsagaininashortperiodoftime.Incasesofdoubt,havetirescheckedbyanauthorizedPorschedealer.
DamagedtiresmustbeimmediatelyreplacedbyanauthorizedPorschedealer.Tirerepairsarenotpermissibleunderanycircumstances.
IftheTirePressureMonitoringisdefective(e.g.defectivewheeltransmitter),contactanauthorizedPorschedealerimmediatelyandhavethedamagerepaired.ThetirepressurewillnotbemonitoredbyadefectiveTirePressureMonitoring.
Tiresloseairovertimewithoutatiredefectbeingpresent.Atirepressurewarningwillthenappearintheon-boardcomputerdisplay.Correctthetirepressureatthenextopportunity.
TheTirePressureMonitoringgivesawarningabouttiredamageduetonaturalpressurelossaswellasaboutagraduallossofpressureduetoforeignobjects.TheTirePressureMonitoringcannotwarnyouabouttiredamagethatoccurssuddenly(e.g.flattireduetoabruptexternaleffects).
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Whenthetirepressurewarninghasappearedontheon-boardcomputer,stopimmediatelyatasuitablelocation.Checkthetireforsignsofdamage.Ifnecessary,fillintiresealantandsetthecorrecttirepressure.
Thistirepressurewarningappearswhendrivingandcanbeacknowledged.Thetirepressurewarninglightintheinstrumentpanelgoesoutwhenthetirepressurehasbeencorrected.
Systemlearning
TheTirePressureMonitoringbeginsto“learn”thewheelsafterawheelchange,wheeltransmitterreplacementorupdateofthetiresettings.During
thisprocess,theTirePressureMonitoringrecog-nizesthetiresandtheirlocations.Theon-boardcomputerdisplayesthemessage“TPCinactive-systemlearning”.
TheTirePressureMonitoringrequiresacertainamountoftimetolearnthewheels.Duringthistime,thecurrenttirepressuresarenotavailableontheon-board-computer:
–ThedisplayoftheTirepressurefunctionoftheon-boardcomputershowslines.
–Therequiredpressuresforcoldtiresat68°F(20°C)areindicatedintheInfopressuredisplayintheTirepressuremenu.
–Tirepressurewarningsareissuedwithouttirepressureandpositioninformation(gure)assoonasthevehicle’sownwheelshavebeendetectedandthetirepressurewarninglighthasgoneout.
PositionandpressureinformationisdisplayedassoonastheTirePressureMonitoringhasassignedthewheelsidentifiedasbelongingtothevehicletothecorrectwheelpositions.
Thewheellearningprocesstakesplaceexclusivelywhenthevehicleisbeingdriven.
Manuallycheckthetirepressureatallwheelsandcorrectthetirepressuretotherequiredvalue.
Changingawheelandreplacingtires
Newwheelsmustbefittedwithradiotransmit-tersfortheTirePressureMonitoring.Beforetiresarechanged,thebatterychargestateofthewheeltransmittersshouldbecheckedatanauthorizedPorschedealer.
Switchtheignitionoffwhenchangingawheel.
Thetiresettingsontheon-boardcomputermustbeupdatedafterchangingawheel.
Amessageappearsifthecharacteristicsofthenewtiresdonotagreewiththeon-boardcomputersettings.
Updatetheon-boardcomputersettingswhenthevehicleisstationarythenexttime.
Warninglight
Thewarninglightinthespeedometerlightsup:
–Whenalossinpressurehasbeendetected
–IftheTirePressureMonitoringisfaulty
–Whenlearningnewlymountedwheels/wheelsensors,aslongasthevehicle’sownwheelshavenotyetbeenrecognized.
Thetirepressurewarninglightintheinstrumentpanelgoesoutonlywhenthecauseofthefaulthasbeenrectified.
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Nomonitoring
IntheeventoffaultstheTirePressureMonitoringcannotmonitorthetirepressure.Thewarninglightontheinstrumentpanellightsupandacorrespondingmessageappearsontheon-boardcomputer.
Monitoringisnotactivewhen:
–theTirePressureMonitoringisfaulty,
–wheeltransmittersfortheTirePressureMonitoringaremissing,
–temporarilyafterchangingawheel(learningphase),
–morethanfourwheeltransmittersaredetect-ed,
–thereisexternalinterferencebyotherradiosources,e.g.wirelessheadphones,
–tiretemperaturesaretoohigh.
Pleaseobservethechapter”WARNINGSONTHEINSTRUMENTPANELANDTHEON-BOARDCOMPUTER”onpage134.
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ATirepressureBTiretemperatureCTirepressuresforcoldtiresDTirepressureforhottiresEPressureincreaseastheresultoftempera-tureincreaseFPressuredropinfaulty/leakingtires1.Required-pressureline2.Warningstage1(from-3to-6psi(-0.2barto-0.4bar))3.Warningstage2(from-6psi(-0.4bar))
Pressureincreaseastheresultof
temperatureincrease
Inaccordancewithphysicalprinciples,theairpressurechangesasthetemperaturechanges.
Thetirepressureincreasesordecreasesbyaround1.5psi(0.1bar)forevery18°F(10°C)changeintemperature.
TheTirePressureMonitoringtakesthisrelationshipbetweentirepressureandtemperatureintoaccount.
Tirepressurespecications
InformationontirepressureforpublicroadscanbefoundinthisOwner’sManualintheTechnicalDatachapteroronthetire-pressureplateintheleftdooraperture.Thesevaluesapplytocoldtiresat68°F(20°C).
Pleaseobservethechapter”TIREPRESSUREFORCOLDTIRES”onpage304.
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SETBasicsettingonon-board
computer
Switchingonselectioneld“D”
Pushoperatingleverforward.
Changingthebasicsettingoftheon-board
computer
Select“SET”withtheoperatinglever.
Pushoperatingleverforward.
Selectthedesiredfunctionwiththeoperatinglever:
Reset
–Resetall,
–Resetaverageconsumption,
–Resetaveragespeed,
–Resettripcounter
Units
–Speedometer:km-km/h,miles-mph
–Consumption:l/100km,mls/gal(USA),mpg(UK),km/l
–Temperature:Celsius,Fahrenheit
–Tirepressure:bar,psi
Display(Selectcentrallineofthe
on-boardcomputer)
Changedisplay
–Audioinformation(setradiostation)
–Rangeonremainingfuel
–Empty
TelephoneInfo
–WhenTelephoneinformationisactive,incom-ingtelephonecallsaredisplayedontheon-boardcomputer.
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Generalinformationregardingthe
on-boardcomputerfunctions
Rangeonremainingfuel
Therangeonremainingfueliscontinuouslyrecalculatedduringthejourneybasedonthefuellevel,currentconsumptionandaverageconsumption.Themorethefuellevelfalls,themorespontaneouslythedisplayreacts.Forthisreason,therangeonremainingfuelisnotdisplayediflessthan9miles(15kilometers).
Ifthevehicle’sinclinationchangeswhiledrivingorrefueling,incorrectrangeinformationmaytemporarilybegiven.
Note
Ifthetankisnearlyemptyandyoutopupwithonlyasmallquantityoffuel,anaccuraterangeonremainingfuelisimpossible.
Averageconsumptionandaveragespeed
Thevaluesdisplayedarebasedonthedistancetravelledsincethelastresetto“zero”.
Youcansetthestartingtimeforameasurementbeforeorduringthetrip.Switchingtheignitionoffdoesnotresetthemeasurements.Itisthereforepossibletocollectvaluesoverlongperiods.Disconnectingthecarbatterywillcausethesememoriestobeerased.
Tirepressure
TheTirepressurefunctionoftheon-boardcomputerdisplaysthetirepressuresdependentontemperatureinthefourwheels.Youcanwatchthetirepressureriseandfallwhiledriving.Thedisplayisonlyforinformation.Tocorrectthetirepressures,alwaysusethedisplayedvaluesfromthe“Infopressure”displayintheTirepressuremenu.
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Warningsontheinstrumentpanelandtheon-boardcomputer
Overviewofthewarnings
Ifawarningmessageappears,alwaysrefertothecorrespondingchaptersintheOwner’sManual.Warningmessagesareissuedonlyifallmeasurementprecon-ditionsaremet.Therefore,checkallfluidlevelsregularly-inparticular,alwayschecktheengineoillevelafterrefueling.
InstrumentpanelOn-boardcomputerTextdisplayonon-boardcomputerMeaning/measure
SeatbeltDriverandpassengersmustfastentheirseatbelts.
HandbrakeHandbrakeisstillon.
Ignitionkeynotremoved
ReplacebatteryinignitionkeyReplacetheremote-controlbattery.
Ignitionlockfaulty,pleasegotoworkshopHavethefaultremediedatanauthorizedPorschedealer.
Ignitionlockfaulty,visitworkshopnowHavethefaultremediedatanauthorizedPorschedealer.
RelievesteeringRelievethesteeringlockbymovingthesteeringwheeltotheleftorright.
SteeringlockedThesteeringwheellockremainsengaged.HavethefaultremediedatanauthorizedPorschedealer.
LightsonLowbeam/sidelighton.
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InstrumentpanelOn-boardcomputerTextdisplayonon-boardcomputerMeaning/measure
AirbagsystemfaultAirbagisfaulty.HavethefaultremediedatanauthorizedPorschedealer.
Checkpassenger’sseatsettingWeightsensingisimpairedonthepassenger’sseat(AdvancedAirbag).Whenthebackrestisincontactwiththeenginecompartmentwall,thebackrestcanwarp.Correcttheseatingposition,setthebackrestupright,donotsupportweightonthearmrests,orliftonthehandles.
FailurespoilercontrolDrivingstabilityisimpaired.Adjustyourdrivingstyle.Reducespeed.HavethefaultremediedatanauthorizedPorschedealer.
DisplayofselectorleverpositionflashesSelectorleverisnotengagedTiptronicS:Selectorlevercanbebetweentwopositions.Engagetheselectorlevercorrectly.
MoveselectorlevertoPTiptronicS:MoveselectorlevertopositionPbeforewithdrawingkeyfromignitionlock.
ApplybrakeTiptronicS:Applythebrakewhenstarting.
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InstrumentpanelOn-boardcomputerTextdisplayonon-boardcomputerMeaning/measure
DepressclutchpedalManualtransmission:Depressclutchpedalwhenstarting.
MoveselectorlevertopositionPorNTiptronicS:ThevehiclecanbestartedonlyintheselectorleverpositionPorN.
DisplayofselectorleverpositionflashesTiptronicemergencyrunHavethefaultremediedatanauthorizedPorschedealer.
SystemfaultGotoworkshopSeveralsystemsmayhavefailed.Adjustyourdrivingstyle.Reducespeed.HavethefaultremediedatanauthorizedPorschedealer.
FailureoffuellevelindicatorWorkshopHavethefaultremediedatanauthorizedPorschedealer.
Serviceinmls/days(km/days)Serviceindicator.Bringthevehicleinforservicenolaterthanafterthedistance/timeshownhaselapsed.Pleaseobservetheadditionalinformationinthe“Maintenance”booklet.
ServicenowServiceindicator.HaveyourvehicleservicedatanauthorizedPorschedealer.
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InstrumentpanelOn-boardcomputerTextdisplayonon-boardcomputerMeaning/measure
FlatTireTirePressureMonitoringhasdetectedaseriouspressureloss.Stopinasuitableplaceandchecktiresfordamage.Fillintiresealantifnecessary.
AddairTheTirePressureMonitoringhasdetectedagradualpressureloss.Correcttirepressureatthenextopportunity.
TPCinactiveSystemlearningTheTirePressureMonitoringislearningthewheelsonthevehicle.TheTirePressureMonitoringissearchingforthetiresandtheirposition.Duringthisperiodthecurrentpressurespecificationsarenotavailableontheon-boardcomputer.
TPCinactiveTheTirePressureMonitoringisfaulty.ConsultyourauthorizedPorschedealer.
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