2003 PORSCHE 911 CARRERA ECU

Beforedrivingoff12,13
Breakinhints14
Keys,theftprotection.16-19
Immobilizer,securitywheelbolts17
Doors,doorwindows20
Centrallocking21-23
Alarmsystem,infraredpassenger
compartmentmonitoring24,25
Powerwindows26,27
Mirrors,insideanddoor28,29
Rearwindowdefogger30
Sunvisors31
Seats32-37
Steeringwheeladjustment37
Safetybelts38-40
Childrestraintsystems41-43
Airbagsystem44,45
Rolloverprotectionsystem46,47
Parkingaids48,49
Retractablerearspoiler50,51
Fixedrearspoiler,frontspoiler,
sidememberparts51
Clutch,parkingbrake,brakes52-55
ABSbrakesystem56,57
PSMPorschestabilitymanagement58,59
Four-wheeldrive60,61
Dashboard,controlsandinstruments...62-109
Controls,Instruments
Ignition/starterswitch64,65
Startingandstoppingtheengine66,67
Instrumentpanel68-97
On-boardcomputer82-97
Emergencyflasherswitch99
Lightswitch,
automaticheadlightbeamadjustment100
Turnsignals/
headlightdimmer/flasherlever101
Windshieldwiper/washerlever,
rainsensor102,103
Automaticspeedcontrol104,105
Automaticairconditioner106-108
Centralandsidevents109
Ashtray11
°
Cigarettelighter,rearwiper111
Interiorlights112-114
Cupholder115
Storageinthepassengercompartment,
CDorcassetteholder116,117
Frontandrearlids118,119
Luggagecompartment120,121
Trunkentrapment122,123
Sportsexhaustsystem123
PCMPorschecommunicationmanagement.123
Caraudiooperation,tips124,125
Cartelephoneandaftermarkedalarms126
Controls,Instruments
11

DearPorscheOwner
Alothasgoneintothemanufactureofyour
Porsche,includingadvancedengineering,rigid
qualitycontrolanddemandinginspections.
Theseengineeringandsafetyfeatureswillbe
enhancedbyyou...
thesafedriver...
whoknowshiscarandallcontrols,
whomaintainsthevehicleproperly,
whousesdrivingskillswiselyandalwaysdrives
withinher/hisowncapabilitiesandthelevelof
familiaritywiththevehicle.
Youwillfindhelpfulhintsinthismanualonhow
toperformmostofthecheckslistedonthe
followingpages.
Ifindoubt,havethesechecksperformedby
yourauthorizedPorschedealer.
12Controls,Instruments
Beforedrivingoff...
Check
thefollowingitemsfirst

I>Turntheengineoffbeforeyouattemptany
checksorrepairsonthevehicle.
I>Besurethetiresareinflatedcorrectly.
Checktiresfordamageandtirewear.
I>Seethatwheelboltsareproperlytightened
andnotlooseormissing.
I>Checkengineoillevel,addifnecessary.
Makeitahabittohaveengineoilchecked
witheveryfuelfilling.
I>Checkallfluidlevelssuchaswindshield
washerandbrakefluidlevels.
I>Besurethevehiclebatteryiswellcharged
andcrankstheengineproperly.
I>Checkalldoorsandlidsforproperoperation
andlatchthemproperly.
I>Checkandifnecessaryreplacewornor
crackedwiperblades.
I>Seethatallwindowsareclearandunob-
structed.
I>Checkairintakeslotsandareabetweenlug-
gagecompartmentlidandwindshieldarefree
ofsnowandice,sotheheaterandthewind-
shieldwipersworkproperly.
I>Ifachildwillberidinginthevehicle,check
childseaVchildseatrestraintsystemtoen-
surethatrestraintsareproperlyadjusted.
I>Checkallexteriorandinteriorlightsforoper-
ationandthatthelensesareclean.
I>Checktheheadlightsforproperaim,andif
necessary,havethemadjusted.
I>Checkunderthevehicleforleaks.
I>Besureallluggageisstowedsecurely.
Emergencyequipment
Itisgoodpracticetocarryemergencyequip-
mentinyourvehicle.
Someoftheitemsyoushouldhaveare:
windowscraper,snowbrush,containerorbag
ofsandorsalt,emergencylight,smallshovel,
first-aid
kit,etc.

Keys
Pleasenotechapters"CentralLockingand
AlarmSystem".
Twomainkeysandonesparekeyaresupplied
withyourPorsche.
Thesekeysoperateallthelocksonyourve-
hicle.
I>Becarefulwithyourcarkeys:donotpart
withthemexceptunderexceptionalcircum-
stances.
I>Toavoidbatteryrun-down,alwaysremovethe
ignitionkeyfromtheignitionlock.
Replacementkeys
Replacementcarkeyscanbeobtainedonly
fromyourauthorizedPorschedealer,andthis
cansometimesbeverytime-consuming.
Youshouldthereforealwayskeepthesparekey
onyourperson.
Keepitinasafeplace(e.g.wallet),butunder
nocircumstancesinoronthevehicle.
Thekeycodesofnewkeyshavetobe
"reported"tothecarcontrolunitbyyourauth-
orizedPorschedealer.
Thekeygripofthesparekeycanbeexchanged
foramain-keygrip.
Disabling
key
codes
Ifakeyislost,thekeycodescanbedisabled
byanauthorizedPorschedealer.
Alltheremainingcarkeysarerequiredforthis
purpose.
Disablingthecodeensuresthatthecarcanbe
startedonlyusingauthorizedkeys.
Note
Pleasenotethattheotherlockscanstillbeop-
enedwiththedisabledkey.
Immobilizer
Thereisatransponder(anelectroniccompo-
nent)inthekeygrip,containingastoredcode.
Whentheignitionisswitchedon,theignition
lockchecksthecode.
Theimmobilizercanbedeactivatedandtheen-
ginestartedonlyusinganauthorizedignition
key.
Note
Iftheignitionisleftonformorethantwo
minuteswithoutstartingtheengine,theimmobi-
lizerisreactivated.
I>Ifthishappens,theignitionkeymustbe
turnedbacktothe"0"positionbeforetheen-
ginecanbestarted.
Theimmobilizerisautomaticallyactivatedwhen
theignitionkeyiswithdrawn.

Security
WheelBolts
Ifwheelshavetoberemovedduringaworkshop
visit,donotforgettohandoverthesocketfor
thesecuritywheelboltsalongwiththecarkey.
Controls,Instruments
17

Safety
Belts
/!\Warning!
Alwaysmakesureyourandyourpassen-
gers'safetybeltsareproperlyfastened
whilethevehicleisinmotion.
Failuretofollowsafetybeltwarningsmay
resultinseriouspersonalinjury.
t>Foryourandyourpassengers'protection,use
safetybeltsatalltimeswhilethevehicleisin
motion.
t>Useappropriatechildrestraintsystemsforall
smallchildren.
Properwearingofsafetybelts
t>Safetybeltsmustbepositionedonthebody
astorestraintheupperbodyandlapfrom
slidingforward.Improperlypositionedsafety
beltscancauseseriouspersonalinjuryin
caseofanaccident.
t>Theshoulderbeltshouldalwaysrestonyour
upperbody.Theshoulderbeltshouldnever
bewornbehindyourbackorunderyourarm.
t>Formaximumeffectiveness,thelapbelt
shouldbewornlowacrossthehips.
t>Pregnantwomenshouldpositionthebeltas
lowaspossibleacrossthepelvis.Makesure
itisnotpressingagainsttheabdomen.
38Controls,Instruments
t>Beltsshouldnotbeworntwisted.
t>Donotwearbeltsoverrigidorbreakableob-
jectsinoronyourclothing,suchaseye
glasses,pens,keys,etc.asthesemaycause
injury.
t>Severallayersofheavyclothingmayinterfere
withproperpositioningofbelts.
t>Beltsmustnotrubagainstsharpobjectsor
damagemayoccurtothebelt.
t>Twooccupantsshouldneversharethesame
beltatthesametime.

Careandmaintenance

t>Keepbeltbucklesfreeofanyobstructionthat
maypreventasecurelocking.
t>Beltsthathavebeensubjectedtoexcessive
stretchforcesinanaccidentmustbein-
spectedorreplacedtoensuretheircontinued
effectivenessinrestrainingyou.
Thesameappliestobelttensionersystems
whichhavebeentriggered.
Inaddition,theanchorpointsofthebelts
shouldbechecked.
t>Ifsafetybeltsdonotworkproperly,seeyour
authorizedPorschedealerimmediately.
t>Ifthebeltsshowdamagetowebbing,bind-
ings,bucklesorretractors,theyshouldbere-
placedtoensuresafeoperation.
t>Donotmodifyordisassemblethesafetybelts
inyourvehicle.
t>Thebeltsmustbekeptcleanortheretrac-
torsmaynotworkproperly(seealso"Car
careinstructions").
t>Neverbleachordyesafetybelts.
t>Donotallowsafetybeltstoretractuntilthey
arecompletelydryaftercleaningorthismay
causedamagetothebelt.

Belttensioner

Dependingontheforceofacollision,fastened
frontseatbeltsaretightenedinanaccident.

Thebelttensionersaretriggeredin:
-
Frontandrearimpacts

Thebelttensionersarenottriggeredin:
-
Sideimpacts

-
Vehicleoverturning

Note
The
belttensionersystemcanbetriggeredonly
once;thesystemmustbereplacedafterward.
Workmaybeperformedonthebelt-tensioner
systemonlybyanauthorizedPorschedealer.
Smokeisreleasedwhenthebelttensionersare
triggered.Thisdoesnotindicateafireinthe
vehicle.

0
SafetyBeltWarningSystem

Anaudio-visualwarningsystemisintercon-
nectedwiththedriver'ssafetybelt.
Everytimetheignitionisturnedon,thegong
willsoundforabout6secondstoreminddriver
andpassengertobuckleup.
Thesafetybeltwarninglightsintheinstrument
panelandon-boardcomputerwillgooffassoon
asthedriverhasbuckled
up.
Inertiareelretractor
The
combinationlap/shoulderbeltwithinertia
reellockingmechanismadjustsautomaticallyto
yoursizeandmovementsaslongasthepullon
thebeltisslow.
Rapiddecelerationduringhardbrakingoracolli-
sionlocksthebelt.Thebeltwillalsolockwhen
youdriveupordownasteephillorinasharp
curve,otherwise,theshoulderbeltwillnotinhibit
yourupperbodymovement.
t>Assumeacomfortablesittingposition.
Theshoulderbeltshouldalwaysrestonyour
upperbody.Theshoulderbeltshouldnever
bewornbehindyourbackorunderyourarm.
t>Tofasten,graspbeltandpullthebeltina
continuousslowmotionacrossyourchest
andlap.
t>Insertbelttongueintobuckleoninboardside
ofseat.Pushdownuntilitsecurelylockswith
anaudibleclick.Pullthebelttocheck.
t>Pullshouldersectiontomakesurebeltfits
snuglyacrossthepelvis.
t>Beltsshouldfitsnuglyacrossthepelvisand
chest.Makesurethereisnoslackinthebelt.
t>Tounfastenbelt,pushinreleasebutton
(arrow)onbuckle.Belttonguewillspringout
ofbuckle.
t>Toreleasealatchedbelt,leanbacktotake
thebodypressureoffthebelt.
t>Tostorelap/shoulderbelt,allowthebeltto
retractasyouguidethelatchtoitsstowed
position.
Pleasenotechapter"Automaticlockingretrac-
tor".
t>t>t>
Controls,Instruments
39

Safetybeltheightadjustment

(CoupeandTargamodels)
Adjusttheheightofthesafetybeltsothatit
runsacrossthemiddleoftheshoulder,not
againsttheneck.
Adjustingbeltheight
I>Up-pushbeltdeflector.
I>Down-pressbutton(arrow)andmovebelt
deflector.
40Controls,Instruments
Automaticlockingretractor
Thesafetybeltsforthepassengerandrear
seatsareequippedwithanautomaticlockingre-
tractorforsecuringthechildrestraintsystem.
Whenactivated,thisretractorallowsyoutose-
curelyfastenthechildrestraintsysteminplace
sothatinadvertentmovementswillnotoccur.
Activatingtheautomaticlockingretractor
1.Pullthesafetybeltretractorcompletelyout.
Atthispointthelockingmechanismisacti-
vated.
2.Insertthesafetybelttongueintothebuckle
andmakecertainthatitisproperlylatched.
3.Allowthesafetybelttoretractuntilitistight
onthechildrestraintsystem.Youmayfur-
thertightenthebeltbypullingonittoallow
moreofittoretract.
Releasingthesafetybelt
1.Unbucklethesafetybeltlatch.
2.Thenmakecertainthatthebelthasfullyre-
tracted.
Atthispointtheautomaticlockingfeaturewill
bedisengaged.

Limitsofultrasonicmeasurement
Theparkingassistantsystemcannotdetect:
-sound-absorbingobstacles(e.g.powder
snow),
-sound-reflectingobstacles(e.g.glasssur-
faces,flatpaintedsurfaces)
-andverythinobstacles.
Otherultrasoundsources(e.g.pneumatic
brakesofothervehicles,jackhammers)can
interferewithdetectionofobstacles.
Faultindication
Theparkingassistantsystemindicatesafaultin
twoways:
-Afterreversegearhasbeenselected,the
shortsignaltoneisfollowedbyacontinuous
toneofthe
same
pitch:
Thisindicatesthatsensorsaresoiledor
coveredwithice.
-Afterreversegearhasbeenselected,the
shortsignaltoneisfollowedbyacontinuous
tonewithamuchlowerpitch:
Thisindicatesageneralsystemfault.Please
havethefaultremediedatanauthorized
Porschedealer.
A-Controlswitchfordoormirroradjustment
Swivellingdownmirrorglassonthe
passenger'sside
Onvehicleswithseatmemoryyoucanactivate
anadditionalparkingaid.
Activatingsee"SeatMemory".
-Whenreversegearisengaged,themirror
glassonthepassenger'ssideswivelsdown
slightlytoshowthecurbarea.
-Themirrorglassreturnstoitsinitialposition
whenthecarisshiftedoutofreversegear.
c-..aMovingmirror
glass
toitsinitialposition
withreversegearengaged
t>BrieflymovecontrolswitchAinanydirection.
Controls,Instruments
49

ClutchPedal
Theclutchpedalmustbedepressedfully
beforethestarterwillengage.
/!\.Warning!
Riskofanaccident.
I>Alwayscheckthemovementoftheclutch
pedalbeforedrivingandmakesurethatitis
notobstructedbyafloormatoranyother
object.
I>Securethefloormattopreventitfromsliding
intopositionsthatcouldinterferewiththe
safeoperationofyourvehicle.
YourPorschedealerwillbegladtoofferyou
floormatsofthecorrectsizeincludingase-
curingpossibility.
Toavoiddamagetotheclutchandtrans-
mission:
I>Alwaysdepresstheclutchpedalfullywhen
changinggears.
I>Donotholdthecaronasteepgradewiththe
clutchpedalpartiallydepressed.
Shouldthefreetraveloftheclutchpedalsud-
denlybecomebigger,itcouldmeanamalfunc-
tionoftheclutch.SeeyourPorschedealerfor
correction.
52Controls,Instruments
ParkingBrake
Parkingbrakeforceismechanicallytransferred
totherearwheelsbymeansofcables.
I>Usetheparkingbrakeonlyafterthevehicle
hascometoafullstop.

Setting
theparkingbrake
I>Pulltheleverallthewayup(seearrow).
Withtheignitionon,theparkingbrakewarn-
inglightsintheinstrumentpanelandon-board
computerwillcomeoniftheleveriseven
slightlyraised.Afirmpullupwardisrequired
toproperlyengagetheparkingbrake.
Ifthebrakeisnotfullyset,thevehiclemay
rollwithoutcontrol.
I>Movetheselectorleverto"P"(Tiptronic)or
movethegearshiftlevertoreverseorfirst
gear(Manualtransmission).
I>Beforeexitingthevehicle,makesurethatthe
parkingbrakeisfullysetandthevehicleis
notmovingatall.
Releasingtheparkingbrake
I>Pulltheleverslightlyupasyoudepressthe
releasebuttonA,andthenpushtheleverall
thewaydown.