2007 PORSCHE CAYMAN Tire

complete”appearsafterthesettingshavebeenmadewilltheTirePressureMonitoringre-learnthewheels.
Pleaseobservethechapter”SYSTEMLEARN-ING”onpage128.
Beforefittingtireswithsizeswhicharenotstoredintheon-boardcomputer,themissinginformationshouldbesupplementedintheon-boardcomputer.
PleaseconsultyourauthorizedPorschedealer.
UseonlytiresapprovedbyPorsche.
TheavailableitemsintheTirepressuremenudependontheequipmentofyourvehicle.Forthisreasonitispossiblethatsomeoftheitemsshownherearenotavailableonyouron-boardcomputer’sdisplay.Tirepressurewarnings
TheTirePressureMonitoringwarnsaboutlossinpressureintwostages,dependingontheamountofpressureloss:
Stage1-Addair(3to6psi(0.2to0.4bar)lossinpressure)
Stage2-Flattire(from6psi(0.4bar)lossinpressure)
Stage1-Addair
Thepressureinthetireistoolowby3to6psi(0.2to0.4bar).Drivingwithinsufficienttirepressurereducestheroadsafetyofthevehicleanddestroysthetireandwheel.
Thetirepressurewarningcontainstheaffectedtirewiththetirepressuretobeadded.Correctthetirepressureatthenextopportunity.
Thistirepressurewarningappearswithvehiclestoppedandcanbeacknowledged.Thetirepressurewarninglightintheinstrumentpanelgoesoutwhenthetirepressurehasbeencorrected.
Stage2-Flattire
Thepressureinthetirehasdroppedbymorethan6psi(0.4bar).Thissignificantpressurelossisadangertoroadsafety.
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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”onpage138.
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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”onpage299.
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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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InstrumentpanelOn-boardcomputerTextdisplayonon-boardcomputerMeaning/measure
FlatTireTirePressureMonitoringhasdetectedaseriouspressureloss.Stopinasuitableplaceandchecktiresfordamage.Fillintiresealantifnecessary.
AddairTheTirePressureMonitoringhasdetectedagradualpressureloss.Correcttirepressureatthenextopportunity.
TPCinactiveSystemlearningTheTirePressureMonitoringislearningthewheelsonthevehicle.TheTirePressureMonitoringissearchingforthetiresandtheirposition.Duringthisperiodthecurrentpressurespecificationsarenotavailableontheon-boardcomputer.
TPCinactiveTheTirePressureMonitoringisfaulty.ConsultyourauthorizedPorschedealer.
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InstrumentpanelOn-boardcomputerTextdisplayonon-boardcomputerMeaning/measure
TPCinactiveBriefdisturbanceTPCinactiveToomanywheeltransmitters
TheTirePressureMonitoringistemporarilydeactivatedbyexcessivetiretemperatures(approx.120C(248F))orexternalinterference(e.g.fromotherwheeltransmittersinsidethecar).Oncethesourceoftheinterferenceisremoved,thesystemisautomaticallyreactivated.
Wheelchange?InputnewTPCsettingsUpdatethesettingsintheTPCmenuoftheon-boardcomputeratthenextopportunity.Wrongentrieswillaffectthecorrectpressureinformationinthemenu.Thesafetyofyourvehicleisatrisk.
TPCIndicatorfaultyThedisplayoftheTirePressureMonitoringsystemisfaulty.ConsultyourauthorizedPorschedealer.
Acknowledgingwarningmessages
Warningmessagescanbedeletedfromtheon-boardcomputerdisplay.
Pushtheon-boardcomputeroperatingleverforward.
Youcanrecallerasedwarningmessagesinthe“INFO”menu.
146Controls,Instruments