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A-LapB-Intermediatetime
Displayingintermediatetimes
Severalintermediatetimescanbedisplayedforarouteorforalapontheracecircuit.Theinterme-diatetimesBareforyourinformation.MeasuredlaptimesAcanbestoredandevaluatedifthevehicleisequippedwithPorscheCommunicationManagement(PCM).
Aftertiminghasbeenstarted,theon-boardcompu-terdisplaychangestothe“Stoptiming/Intermedi-atetime”selection.
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Attitudesintheon-boardcomputer
Tirepressurefunctionoftheon-board
computer
Thetirepressurefunctionoftheon-boardcompu-terdisplaysthetirepressures(actualpressure)dependentontemperatureinthefourwheels.Youcanwatchthetirepressureriseasthetemperatureincreaseswhiledriving.Thisdisplayisonlyforinformation.
Undernocircumstancesshouldthetirepressuresbechangedbasedonthisdisplay.
Displayingthetirepressurefunctionofthe
on-boardcomputer
Pushoperatingleverupordownuntilthetirepressurefunctionoftheon-boardcom-puterappears.(Theselectionfieldmustbeswitchedoff.)
PressureinfoinTirepressuremenu
Inaccordancewithphysicalprinciples,theairpressurechangesasthetemperaturechanges.Thetirepressureincreasesordecreasesbyaround1.5psi(0.1bar)forevery18°F(10°C)changeintemperature.
TheTirePressureMonitoringtakesthisrelationshipbetweentirepressureandtemperatureintoaccount.
Youcanreadthetirepressurestobecorrect-edinthisdisplay.
Thetirepressuretobecorrected(refillpressure)isindicatedonthedisplayedwheel.Example:If“-1.5psi(-0.1bar)”isdisplayed,1.5psi(0.1bar)mustbeaddedtothistire.
Note
TheTirepressuremenucanonlybecalledupwhenthevehicleisstationary.
Callingupthe“Infopressure”display
Pushoperatingleverforwardinordertoswitchontheselectionfield.
Select“TPC”withtheoperatinglever.
Pushoperatingleverforward.ThedisplaychangestotheTirepressuremenu.
Select“Infopressure”withtheoperatinglever.
Pushoperatingleverforward.
Note
Aftertheignitionisswitchedon,itcantakeuptoapprox.1minutebeforealltirepressuresaredisplayed.Dashes(“-.-”)appearinsteadofthetirepressures.
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TiretypeinfoinTirepressuremenu
Informationaboutthecurrentlysettires:
–Tiretype:Summertires,wintertires
–Tiresize:18,19inch
“Infotires”showsthecurrenttiresettings.
Callingupthe“Infotires”display
Pushoperatingleverforwardinordertoswitchontheselectionfield.
Select“TPC”withtheoperatinglever.
Pushoperatingleverforward.ThedisplaychangestotheTirepressuremenu.
Select“Infotires”withtheoperatinglever.
Pushoperatingleverforward.
Tireselectioninthe“Set”menu
Pushoperatingleverforwardinordertoswitchontheselectionfield.
Select“TPC”withtheoperatinglever.
Pushoperatingleverforward.ThedisplaychangestotheTirepressuremenu.
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complete”appearsafterthesettingshavebeenmadewilltheTirePressureMonitoringre-learnthewheels.
Pleaseobservethechapter”SYSTEMLEARN-ING”onpage133.
Beforefittingtireswithsizeswhicharenotstoredintheon-boardcomputer,themissinginformationshouldbesupplementedintheon-boardcomputer.
PleaseconsultyourauthorizedPorschedealer.
UseonlytiresapprovedbyPorsche.
TheavailableitemsintheTirepressuremenudependontheequipmentofyourvehicle.Forthisreasonitispossiblethatsomeoftheitemsshownherearenotavailableonyouron-boardcomputer’sdisplay.Load(dependingonequipmentlevel)
Pushoperatingleverforwardinordertoswitchontheselectionfield.
Select“TPC”withtheoperatinglever.
Pushoperatingleverforward.ThedisplaychangestotheTirepressuremenu.
Select“Load”withtheoperatinglever.
Selectpartialloadorfullloadandpushtheoperatingleverforward.
Pleaseobservethechapter”TIREPRESSURESFORCOLDTIRES”onpage334.
Makesurethatthetirepressurescorrespondtotheon-boardcomputersettings.Correctthetirepressuresifnecessary.
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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.
Nomonitoring
IntheeventoffaultstheTirePressureMonitoringcannotmonitorthetirepressure.Thewarninglightontheinstrumentpanellightsupandacorrespondingmessageappearsontheon-boardcomputer.
Monitoringisnotactivewhen:
–theTirePressureMonitoringisfaulty,
–wheeltransmittersfortheTirePressureMonitoringaremissing,
–temporarilyafterchangingawheel(learningphase),
–morethanfourwheeltransmittersaredetect-ed,
–thereisexternalinterferencebyotherradiosources,e.g.wirelessheadphones,
–tiretemperaturesaretoohigh.
Pleaseobservethechapter”WARNINGSONTHEINSTRUMENTPANELANDTHEON-BOARDCOMPUTER”onpage143.
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ATirepressureBTiretemperatureCTirepressuresforcoldtiresDTirepressureforhottiresEPressureincreaseastheresultoftempera-tureincreaseFPressuredropinfaulty/leakingtires1Required-pressureline2Warningstage1(from-3psito-6psi(-0.2barto-0.4bar))3Warningstage2(from-6psi(-0.4bar))
Pressureincreaseastheresultof
temperatureincrease
Inaccordancewithphysicalprinciples,theairpressurechangesasthetemperaturechanges.
Thetirepressureincreasesordecreasesbyaround1.5psi(0.1bar)forevery18°F(10°C)changeintemperature.
TheTirePressureMonitoringtakesthisrelationshipbetweentirepressureandtemperatureintoaccount.
Tirepressurespecications
InformationontirepressureforpublicroadscanbefoundinthisOwner’sManualintheTechnicalDatachapteroronthetire-pressureplateintheleftdooraperture.Thesevaluesapplytocoldtiresat68°F(20°C)ambienttemperature.
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Reset
–Resetall,
–Resetaverageconsumption,
–Resetaveragespeed,
–Resettripcounter
Units
–Speedometerkm-km/h,miles-mph
–Consumptionl/100km,mls/gal(USA),mpg(UK),km/l
–TemperatureCelsius,Fahrenheit
–Tirepressurebar,psi
Display(Selectcentrallineofthe
on-boardcomputer)
Changedisplay
–Audioinformation(setradiostation)
–Rangeonremainingfuel
–Empty
Telephoneinfo
WhenTelephoneinformationisactive,incomingtelephonecallsaredisplayedontheon-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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