2003 PORSCHE 911 CARRERA ignition

ExerciseExtremeCautionwhen
WorkingonyourVehicle

/!\Warning!
Ignoring
the
followinginstructionsmay
causeseriouspersonalinjury.

[>
Theenginecompartmentofanymotorvehicle
isapotentiallyhazardousarea.Ifyouarenot
fullyfamiliarwithproperrepairprocedures,do
notattempttheadjustmentsdescribedonthe
followingpages.
Thiscautionappliestotheentirevehicle.
[>Onlyworkonyourvehicleoutdoorsorina
wellventilatedarea.
[>Ensurethattherearenoopenflamesinthe
areaofyourvehicleatanytimewhenfuel
fumesmightbepresent.Beespeciallycau-
tiousofsuchdevicessuchashotwater
heaterswhichigniteaflameintermittently.
[>Beforeworkingonanypartintheenginecom-
partment,turntheengineoffandletitcool
downsufficiently.Hotenginecompartment
componentscanburnskinoncontact.
[>Bealertandcautiousaroundengineatall
timeswhiletheengineisrunning.
Ifworkhastobeperformedwiththeengine
running,alwayssettheparkingbrake,and
makesuretheshiftleverisinneutralorthe
selectorleverisinposition"P"or"N".
168Maintenance,CarCare
[>
Inparticular,beverycarefultoensurethat
itemsofclothing(ties,shirt,sleevesetc.),
jewelry,longhair,handorfingerscannotget
caughtintheengine-compartmentblower,
fan,beltsorothermovingparts.
Theradiatorandradiatorfansareinthefront
ofthecar.
Theengine-compartmentblowerismounted
ontheenginecompartmentlid.
Thefanscanstartorcontinuerunningasa
functionoftemperature,evenwiththeengine
switchedoff.
Carryoutworkintheseareasonlywiththe
engineoffandexerciseextremecaution.
[>YourPorscheisequippedwithanelectronic
ignitionsystem.Whentheignitionison,high
voltageispresentinallwiresconnectedwith
theignitionsystem;therefore,exerciseex-
tremecautionwhenworkingonanypartof
theenginewhiletheignitionisonortheen-
gineisrunning.
[>Alwayssupportyourcarwithsafetystandsif
itisnecessarytoworkunderthecar.The
jacksuppliedwiththecarisnotadequatefor
thispurpose.
[>
Whenworkingunderthecarwithoutsafety
standsbutwiththewheelsontheground,
makesurethecarisonlevelground,the
wheelsareblocked,andthattheenginecan-
notbestarted.
Removetheignitionkey.
[>
Donotsmokeorallowanopenflamearound
thebatteryorfuel.
Keepafireextinguisherinclosereach.
[>Incompleteorimproperservicingmaycause
problemsintheoperationofthecar.Ifin
doubtaboutanyservicing,haveitdoneby
yourauthorizedPorschedealer.
Impropermaintenanceduringthewarranty
periodmayaffectyourPorschewarranty
coverage.
[>Suppliesoffluids,e.g.engineoil,brakefluid
orcoolant,arehazardoustoyourhealth.
Keepthesefluidsoutofchildren'sreachand
disposeoftheminaccordancewiththeap-
propriateregulations.
[>Somecountriesrequireadditionaltoolsand
specialsparepartstobecarried.
Pleasemakeenquiriesbeforedrivingabroad.
Powermeasurements
Powermeasurementsondynamometersarenot
approvedbyPorsche.

Refuelling
Fueltankcapacityislistedunder"Capacities".
Porschedoesnotrecommendtheuseoffuel
additives.
1.Important:Stoptheengineandswitchoff
theignition.
2.Slowlyunscrewthetankcap.
Hangthetankcapontheplasticstrapofthe
fillerflap.
3.Insertfuel-hosenozzlefullyintothefillerneck
withthehandleofthefuel-hosenozzlefacing
down.
4.Donotaddfurtherfueloncethecorrectly
operatedautomaticfuel-hosenozzlehas
switchedoff.
Fuelcouldsprayorcouldrunoverinwarm
temperatures.
5.Replacethetankcapimmediatelyafter
refuellingandturnituntilyouhearitandfeel
itengage.

Ifyoulosethetankcap,youmustreplace
itonlywithanoriginalparttoreducethe
possibilityofafireintheeventofacolli-
sion.

Note
Theoillevelisautomaticallymeasuredduring
refuelling.
Themeasuredoillevelisdisplayedforapproxi-
matelyoneminutewhentheignitionisswitched
onortheengineisstarted.
However,thismeasurementisperformedonlyif
thefollowingpreconditionsaremet:
Engineisatoperatingtemperature,ignitionis
off,refuellingiscompletedwithin15minutes.
FuelRecommendations
YourPorscheisequippedwithcatalyticconver-
tersandmustuseUNLEADEDFUELONLY.
Yourengineisdesignedtoprovideoptimumper-
formanceandfueleconomyusingunleadedpre-
miumfuelwithanoctaneratingof98RON
(93CLCorAKI).Porschethereforerecom-
mendstheuseofthesefuelsinyourvehicle.
Porschealsorecognizesthatthesefuelsmay
notalwaysbeavailable.Beassuredthatyour
vehiclewilloperateproperlyonunleadedpre-
miumfuelswithoctanenumbersofatleast
95RON(90CLCorAKI).sincetheengine's
"ElectronicOktaneTMknockcontrol"willadapt
theignitiontiming,ifnecessary.

Theuseof
UNLEADEDFUELONLY
iscriti-
callyimportanttothelifeofthecatalytic
converters.Depositsfromleadedfuelswill
ruintheconvertersandmakeitineffective
asanemissioncontroldevice.

Carswithcatalyticconvertershaveasmaller
fueltankopening,andgasstationpumpshave
smallernozzles.Thiswillpreventaccidental
pumpingofleadedfuelintocarswithcatalytic
converters.
I>I>I>
Maintenance,CarCare
177

EmissionControl
System
Intheinterestofclean
air
Pollutionofourenvironmenthasbecomeaprob-
lemthatisofincreasingconcerntoallofus.We
urgeyoutojoinusinoureffortsforcleanerair
incontrollingthepollutantsemittedfromthe
automobile.
Porschehasdevelopedanemissioncontrolsys-
temthatcontrolsorreducesthosepartsofthe
emissionthatcanbeharmfultoourenviron-
ment.YourPorscheisequippedwithsuchasys-
tem.
PorschewarrantstheEmissionControlSystem
inyournewcarunderthetermsandconditions
setforthintheWarrantyBooklet.
You,astheownerofthevehicle,havethe
responsibilitytoprovideregularmaintenance
serviceforthevehicleandtokeeparecordof
allmaintenanceworkperformed.Tofacilitate
recordkeeping,havetheserviceperformedby
authorizedPorschedealers.TheyhavePorsche
trainedtechniciansandspecialtoolstoprovide
fastandefficientservice.

Toassure
efficientoperationofthe
EmissionControlSystem:
I>Haveyourvehiclemaintainedproperlyandin
accordancewiththerecommendationsde-
scribedinyourMaintenanceBooklet.
Lackofpropermaintenance,aswellasim-
properuseofthevehicle,willimpairthefunc-
tionoftheemissioncontrolsystemandcould
leadtodamage.
I>Donotalterorremoveanycomponentofthe
emissioncontrolsystem.
I>Donotalterorremoveanydevice,suchas
heatshields,switches,ignitionwires,valves,
etc.,whicharedesignedtoprotectyourvehi-
cle'semissioncontrolsystem.
Inadditiontoseriousenginedamage,thiscan
resultinafireifexcessrawfuelreachesthe
exhaustsystem.
I>Donotcontinuetooperateyourvehicleifyou
detectenginemisfireorotherunusualopera-
tingconditions.
Parking

/!\Warning!
Dangeroffire.

I>Donotparkoroperatethevehicleinareas
wherethehotexhaustsystemmaycomein
contactwithdrygrass,brush,fuelspillor
otherflammablematerial.
I>Ifyourcarcatchesonfireforanyreason,call
thefiredepartment.
Donotendangeryourlifebyattemptingto
putoutthefire.
Undercoating

/!\Warning!
Dangeroffireandseriouspersonalin-
juries.

I>Donotapplyadditionalundercoatingorrust-
proofingonorneartheexhaustmanifold,ex-
haustpipes,catalyticconvertersorheat
shields.Duringdrivingthesubstanceusedfor
undercoatingcouldoverheatandignite.
I>I>I>
Maintenance,CarCare
179

HowEmissionControlWorks
Whenanautomobileengineisrunning,ituses
energygeneratedthroughthecombustionofa
mixtureofairandfuel.Dependingonwhethera
carisdrivenfastorslowlyorwhethertheen-
gineiscoldorhot,someofthefuel(hydrocar-
bons)maynotbeburnedcompletely,butmay
bedischargedintotheenginecrankcaseorex-
haustsystem.Additonalhydrocarbonsmayenter
theatmospherethroughevaporationoffuelfrom
thefueltank.Thesehydrocarbons(HC),whenre-
leasedintotheair,contributetoundesirablepol-
lution.
Inaddition,carbonmonoxide(CO)andoxidesof
nitrogen(NOx)contributetoengineemissions.
They,too,areformedduringthecombustion
processanddischargedintotheexhaustsys-
tem.
Toreducethesepollutants,yourPorscheis
equippedwithapreciselycalibratedfuelinjection
systemtoassureafinelybalancedair/fuelmix-
tureunderalloperatingconditions.
180Maintenance,CarCare
Oxygensensor
Theoxygensensor,installedintheexhaustpipe
continuouslysensestheoxygencontentofthe
exhaustandsignalstheinformationtoanelec-
troniccontrolunit.Thecontrolunitcorrectsthe
air/fuelratio,sotheenginealwaysreceivesan
accuratelymeteredair/fuelmixture.
Crankcaseventilation
Throughcrankcaseventilation,undesirable
emissionsfromtheenginecrankcasearenot
permittedtoreachtheoutsideatmosphere.
Theseemissionsarerecirculatedfromthe
crankcasetotheairintakesystem.Fromhere
theemissionsmixwiththeintakeairandare
laterburnedintheengine.
Catalyticconverters
Thecatalyticconvertersareefficient"clean-up"
devicesbuiltintotheexhaustsystemoftheve-
hicle.Thecatalyticconvertersburntheundesir-
ablepollutantsintheexhaustgasbeforeitis
releasedintotheatmosphere.
Theexclusiveuseofunleadedfueliscriti-
callyimportantforthelifeofthecatalytic
converters.Therefore,onlyunleadedfuel
mustbeused.
Thecatalyticconverterswillbedamaged
by:
-pushortowstartingthevehicle
-misfiringoftheengine
-turningofftheignitionwhilethevehicleis
movingor
-drivinguntilthefueltankiscompletelyempty
-byotherunusualoperatingconditions.
t>Donotcontinuetooperateyourvehicleunder
theseconditions,sincerawfuelmightreach
thecatalyticconverters.Thiscouldresultin
overheatingoftheconverters.Federallaw
prohibitsuseofleadedfuelinthiscar.

A-Passenger'sside
B-Driver'sside
WiperBlades
[>
Whenwiperperformancedeteriorates,replace
thewipers.
[>
Followtheinstructionsinthe"CarCare"chap-
ter.
184Maintenance,CarCare
/!\Caution!
Riskofdamageifthewiperarmacciden-
tallyfallsbackontothewindow.
[>Alwaysholdthewiperarmsecurelywhenre-
placingthewiperblade.
Riskofdamageifwiperbladesthatare
frozeninplaceareloosenedimproperly.
[>
Thawthewiperbladesbeforelooseningthem.
1.Pulloutignitionkey.
Foldwiperarmawayfromthewindow.
2.Presstogethertheplasticspringofthewiper
blade(rightarrow).
Pullwiperbladeoutofwiperarm.
3.Insertnewwiperbladeandensureiten-
gages.
Ensurethatthenewwiperbladegoesinto
thesameposition(directionofspoiler)inthe
wiperarmandengages.
4.Carefullyfoldwiperarmbackontothewin-
dow.

ExerciseExtremeCautionwhen
WorkingonyourVehicle

/!\Warning!
Ignoring
the
followinginstructionsmay
causeseriouspersonalinjury.

[>
Theenginecompartmentofanymotorvehicle
isapotentiallyhazardousarea.Ifyouarenot
fullyfamiliarwithproperrepairprocedures,do
notattempttheadjustmentsdescribedonthe
followingpages.
Thiscautionappliestotheentirevehicle.
[>Onlyworkonyourvehicleoutdoorsorina
wellventilatedarea.
[>Ensurethattherearenoopenflamesinthe
areaofyourvehicleatanytimewhenfuel
fumesmightbepresent.Beespeciallycau-
tiousofsuchdevicessuchashotwater
heaterswhichigniteaflameintermittently.
[>Beforeworkingonanypartintheenginecom-
partment,turntheengineoffandletitcool
downsufficiently.Hotenginecompartment
componentscanburnskinoncontact.
[>Bealertandcautiousaroundengineatall
timeswhiletheengineisrunning.
Ifworkhastobeperformedwiththeengine
running,alwayssettheparkingbrake,and
makesuretheshiftleverisinneutralorthe
selectorleverisinposition"P"or"N".
196PracticalTips,EmergencyService
[>
Inparticular,beverycarefultoensurethat
itemsofclothing(ties,shirt,sleevesetc.),
jewelry,longhair,handorfingerscannotget
caughtintheengine-compartmentblower,
fan,beltsorothermovingparts.
Theradiatorandradiatorfansareinthefront
ofthecar.
Thefanscanstartorcontinuerunningasa
functionoftemperature,evenwiththeengine
switchedoff.
Carryoutworkintheseareasonlywiththe
engineoffandexerciseextremecaution.
[>
YourPorscheisequippedwithanelectronic
ignitionsystem.Whentheignitionison,high
voltageispresentinallwiresconnectedwith
theignitionsystem;therefore,exerciseex-
tremecautionwhenworkingonanypartof
theenginewhiletheignitionisonortheen-
gineisrunning.
[>Alwayssupportyourcarwithsafetystandsif
itisnecessarytoworkunderthecar.The
jacksuppliedwiththecarisnotadequatefor
thispurpose.
[>Whenworkingunderthecarwithoutsafety
standsbutwiththewheelsontheground,
makesurethecarisonlevelground,the
wheelsareblocked,andthattheenginecan-
notbestarted.
Removetheignitionkey.
[>
Donotsmokeorallowanopenflamearound
thebatteryorfuel.
Keepafireextinguisherinclosereach.
[>Incompleteorimproperservicingmaycause
problemsintheoperationofthecar.Ifin
doubtaboutanyservicing,haveitdoneby
yourauthorizedPorschedealer.
Impropermaintenanceduringthewarranty
periodmayaffectyourPorschewarranty
coverage.
[>Suppliesoffluids,e.g.engineoil,brakefluid
orcoolant,arehazardoustoyourhealth.
Keepthesefluidsoutofchildren'sreachand
disposeoftheminaccordancewiththeap-
propriateregulations.
[>Somecountriesrequireadditionaltoolsand
specialsparepartstobecarried.
Pleasemakeenquiriesbeforedrivingabroad.

Electrical
System

Inordertoavoiddamageandfaultsinelectrical
orelectronicsystems,electricalaccessories
shouldbeinstalledatyourauthorizedPorsche
dealer.
[>OnlyuseaccessoriesauthorizedbyPorsche.
/!\Warning!
Riskofshortcircuitandfire.
Replacingfusesorrelayswiththeengine
runningortheignitiononcouldcauseelec-
tricalshock.
[>
Disconnectedthebatteryduringallworkon
theelectricalsystem.Seechapter"Battery".
Relays
Defectiverelaysshouldbechangedonlybyan
authorizedworkshop.
212PracticalTips,EmergencyService
Radiocode
Thetheft-protectioncodeoftheradiomustbe
enteredagainifthebatterywasdisconnected.
Alarmsystem,centrallocking
Thestatusofthecentrallockingandalarm
systemisnotchangedbydisconnectingthe
battery.
Whenthebatteryisdisconnected,thealarmsys-
temceasestofunction.
Overloadprotection
Ifthecentrallockingsystemisoperatedmore
thantentimeswithinaminute,furtheroperation
isblockedfor30seconds.
Loadswitch-offaftertwohours
orfivedays
Iftheignitionkeyisremoved,loadswhichare
switchedonorinstandby(e.g.powerwindows,
luggagecompartmentlighting,interiorlight,
radio)areautomaticallyswitchedoffafterap-
proximately2hours.
Ifthevehicleisnotstartedorunlockedwiththe
remotecontrolwithinfive
days,
theremote
controlstandbyfunctionisswitchedoff(topre-
ventdischargingofthevehiclebattery).
1.Inthiscase,unlockthedriver'sdoorwiththe
keyatthedoorlock.
Leavethedoorclosedinordertopreventthe
alarmsystemfrombeingtriggered.
2.Pressbutton1ontheremotecontrol.
Theremotecontrolisnowactivatedagain.

A-Diagnosticsocket

Replacing
fuses
Inordertopreventdamagetocablesandcon-
sumersintheelectricalsystemduetoshortcir-
cuitsandoverloads,theindividualcircuitsare
protectedbyfuses.
Thefuseboxisatlowerleftinthedriver'sfoot-
wellandisprotectedwithaplasticcover.
A-Plasticgripper
B-Sparefuses
1.Beforereplacingafuse,switchoffallelectri-
calconsumersandremovetheignitionkey.
2.Toopen,pullthecoveroffatthefingerhole
(arrow).
Thefuseplanandinstructionsforemer-
gencyunlockingoftheluggagecom-
partmentlidscanbefoundontheinsideof
thecover.
3.Tocheckorreplaceafuse,removeitfrom
thespringclipusingtheplasticgripperA.
Ablownfuseindicatesanoverloadinthecir-
cuitandcanbeidentifiedbythemeltedmetal
strip.
4.Replaceonlywithfusesofthesamerating.
SparefusesBareinthelowestsectionof
thefusebox.
Importantnote
t>Ifafuseblowsrepeatedly,pleaseimmediately
consultanauthorizedPorschedealer,sothat
theshortcircuitcanbelocatedandcor-
rected.
t>Nevertryto"repair"fuses:youmaycause
seriousdamagetootherpartsoftheelectri-
calsystem.
t>t>t>
PracticalTips,EmergencyService
213