2003 PORSCHE 911 CARRERA sensor

Starting
Procedures
Seealsothechapteron"Immobilizer".
/!\Warning!
Serious
injurymayresultifyouarein-
volvedinacollisionwithout
having
fastened
thesafetybelts.

[>
Fastensafetybeltsbeforedrivingaway.
Beforestartingtheengine
[>Applythehandbrake.

[>Manualtransmission:

Movethegearshiftleverintoneutral.
Theclutch
pedalmustbedepressedfully
beforethestarterwillengage.
[>Tiptronic:

Movetheselectorleverto"P"or"N".
Temperaturesensorsontheengineautomat-
icallyprovidethecorrectfuel/airmixturere-
quiredforstarting.
Therefore,
itisnotnecessarytodepressthe
acceleratorpedal
whilestartingacoldora
warmengine.

[>As
soonastheenginestarts,releasetheigni-
tionkey.
66Controls,Instruments
Thefirstoperationofthestarterisendedauto-
maticallywhentheenginestarts.
Iftheenginedoesnotstart,subsequentstarter
operationswillnotbeendedautomatically.
Iftheenginefailstostartafter10or15sec-
ondsofcranking:

[>
Waitabout10secondsbeforeengagingthe
starteragain.
[>
Donotlettheengineidletowarm
up.
[>

Whenstartingtheengine,bereadytodrive
immediately.
Drivevehicleatmoderatespeedsandavoid
enginespeedsabove4,200rpmduringthe
first5minutes.

/!\Danger!
Engineexhaustfumeshavemanycompo-
nentswhichyoucansmell.Theyalsocon-
taincarbonmonoxide
(CO),
whichisaco-
lorlessandodorlessgas.
Carbonmonoxidecancauseunconscious-
nessandevendeathifinhaled.

[>
Neverstartorlettheengineruninanen-
closed,unventilatedarea.
Itisnotrecommendedtositinyourcarfor
prolongedperiodswiththeengineonandthe
carnotmoving.

Anunattendedvehiclewitharunningen-
gineispotentiallyhazardous.
Ifwarninglightsshouldcomeontoindicate
improperoperation,theywouldgounno-
ticed.
[>

Neverleavetheengineidlingunattended.

Dangeroffire.

[>Donotparkoroperatethevehicleinareas
wherethehotexhaustsystemmaycomein
contactwithdrygrass,brush,fuelspillor
otherflammablematerial.

[>
If
yourcarcatchesonfireforanyreason,call
thefiredepartment.
Donotendangeryourlifebyattemptingto
putoutthefire.

InstrumentPanelUSAModels
Informationaboutindividualindicatorsis
givenonthespecifiedpages.
1Voltmeter,72
2Speedometerwithanaloguedisplay,74
3Speedometerwithdigitaldisplay,74
4Automaticspeedcontrolindicatorlight,72
5Tachometer,75
6Turnsignalindicatorlight,left,75
7Highbeamindicatorlight,75
8On-boardcomputer,82-97
9Turnsignalindicatorlight,right,75
10Lightsensorforinstrumentillumination,73
11Clock,79
12Tiptronicindicator,77
13Coolingsystem
Temperaturegauge,warninglight,76,77
14Fuel
Levelgauge,warninglight,78
15Engineoilpressuregauge,80
Warninglightslindicatorlights
AWasherfluidlevelwarninglight,181
BCheckenginewarninglight,81
CPorscheStabilityManagement(PSM)
Informationlight,59
DPorscheStabilityManagement(PSM)
Warninglight,59
EABSwarninglight,57
FBrakefluidlevel,
Brakedistributionwarninglight,54,174
GParkingbrakewarninglight,53
HBrakepadwearwarninglight,55
IEngineoilpressurewarninglight,80
KBatterywarninglight,72
LSafetybeltwarninglight,39
MAirbagwarninglight,45
NRetractablerearspoilerwarninglight,50
aLuggagecompartmentlid,
Enginecompartmentlid,
Rearlid(Targa)
Warninglight,118,163
PConvertibletopwarninglight,143
QRolloverprotectionsystemwarninglight,46
When
theignitionisswitchedon,thewarn-
inglightslightupforalampcheck.
Note

Warningsthathavebeengivenarestoredinthe
appropriatecontrolunitmemoryandcanbe
readoutatanauthorizedPorschedealer.
Thisinformationcanhelptowarnyouaboutsitu-
ationswhichmaybehazardoustoyouoryour
car.
Controls,Instruments
69

InstrumentPanelCanadaModels
Informationaboutindividualindicatorsis
givenonthespecifiedpages.
1Voltmeter,72
2Speedometerwithanaloguedisplay,74
3Speedometerwithdigitaldisplay,74
4Automaticspeedcontrolindicatorlight,72
5Tachometer,75
6Turnsignalindicatorlight,left,75
7Highbeamindicatorlight,75
8On-boardcomputer,82-97
9Turnsignalindicatorlight,right,75
10Lightsensorforinstrumentillumination,73
11Clock,79
12Tiptronicindicator,77
13Coolingsystem
Temperaturegauge,warninglight,76,77
14Fuel
Levelgauge,warninglight,78
15Engineoilpressuregauge,80
Warninglightslindicatorlights
AWasherfluidlevelwarninglight,181
BCheckenginewarninglight,81
CPorscheStabilityManagement(PSM)
Informationlight,59
DPorscheStabilityManagement(PSM)
Warninglight,59
EABSwarninglight,57
FBrakefluidlevel,
Brakedistributionwarninglight,54,174
GParkingbrakewarninglight,53
HBrakepadwearwarninglight,55
IEngineoilpressurewarninglight,80
KBatterywarninglight,72
LSafetybeltwarninglight,39
MAirbagwarninglight,45
NRetractablerearspoilerwarninglight,50
aLuggagecompartmentlid,
Enginecompartmentlid,
Rearlid(Targa)
Warninglight,118,163
PConvertibletopwarninglight,143
QRolloverprotectionsystemwarninglight,46
When
theignitionisswitchedon,thewarn-
inglightslightupforalampcheck.
Note

Warningsthathavebeengivenarestoredinthe
appropriatecontrolunitmemoryandcanbe
readoutatanauthorizedPorschedealer.
Thisinformationcanhelptowarnyouaboutsitu-
ationswhichmaybehazardoustoyouoryour
car.
Controls,Instruments
71

InstrumentIllumination
Theilluminationisautomaticallyadjustedtothe
ambientbrightnessbythelightsensorinthe
tachometer.
Inaddition,whenthecarlightsareswitchedon,
theinstrumentandswitchsymbolbrightnesscan
bemanuallyadjusted.
/?\.Warning!
Riskofanaccident,personalinjuryand
lossofcontrol.
[>
Donotreachthroughthesteering-wheel
spokeswhiledriving.
Dimminginstrumentillumination
[>
TurnadjustmentbuttonAintheappropriate
directionandholdituntilthedesiredbright-
nesshasbeenreached.
Thechosenlevelofbrightnessisindicatedby
abardisplayinthedisplayfieldofthe
on-boardcomputer.
TripOdometer
/?\.Warning!
Riskofanaccident,personalinjuryand
lossofcontrol.
[>Donotreachthroughthesteering-wheel
spokeswhiledriving.

Resetting
tozero
[>PressadjustmentbuttonAforapproximately
onesecondor
[>
Resetthedistanceinthe"SET"menuofthe
on-boardcomputer.
Refertothechapter"On-boardcomputer".
Afterexceeding
6213
milesor
9999
kilometers,
thecounterreturnsto"0".
Controls,Instruments
73

102Controls,Instruments
WindshieldWiper/WasherLever

/!\Warning!
Dangerofinjurywhenthewindshieldwipers
operateunintentionally.
Riskofdamagetothewindshieldandwiper
system.

I>Avoidrunningthewiperbladesoveradry
windshieldtopreventscratchingtheglass.
Spraywasherfluidonthewindshieldfirst.
Ascratchedwindshieldwillreducevisibility.
I>Alwaysloosenwiperbladesfromfrozenglass
beforeoperatingwiperstopreventdamageto
thewipermotororblades.
I>Alwaysswitchoffwindshieldwipersincar
washtopreventthemwipingunintentionally
(intermittentorsensoroperation).
I>Alwaysswitchoffwindshieldwipersbefore
cleaningthewindshieldtoavoidunintentional
operation(intermittentorsensoroperation).
I>Donotoperatetheheadlightwasherincar
washes.
I>Donotoperateheadlightwasherwhenitis
frozen.
0-
Windshieldwipersoff
1-Windshieldwipersslow
2-Windshieldwipersfast
3-Intermittentoperation
4-Windshieldwashersystem:

Sprayswhiletheleverispulledtowardsthe
steeringwheelinthefirstposition.
Whentheleverisreleased,afewdrying
wipesareexecuted.

5-Windshieldwipersandwashersystem:

Spraysandwipeswhiletheleverispulled
towardsthesteeringwheelinthe
second

position.

6-Headlightwasher
(VehicleswithBi-Xenonheadlights):

Spraysonlywhilelowbeamorhighbeamis
switchedon.
Thespraydurationislimited.Ifheavily
soiled,repeatwash.
Persistentdirt(e.g.insectremains)should
beregularlyremoved.
Seethechapteron"CarCareInstructions".

Note
Thewindshieldwashernozzles
areheated
whentheignitionison,asaprecautionagainst
freezing.

~
Wipeintervalcontrol

Inwindshieldwiperintermittentmode3thewipe
intervalscanbeinfinitelyadjusted(notinve-
hicleswitharainsensor).

Shorteningwipeintervals

[>
TurnthumbwheelAclockwise.

Lengtheningwipeintervals

[>
TurnthumbwheelAcounter-clockwise.

Rainsensor

Invehicleswitharainsensortheamountofrain
orsnowwhichhassettledonthewindshieldis
measured.Thewiperspeediscontrolled
accordinglybetweenintermittentandcontinuous
operation(wiperspeed
1and2).
Switchingrainsensoron
[>

Movewiperleverinposition
3.
Switchingrainsensoroff
[>

Movewiperleverinposition
O.
Note
The
rainsensorremainsswitchedoffifthe
wiperleverisalreadyinposition
3
whentheigni-
tionisswitchedon.
Toswitchtherainsensor
on:
[>

Movewiperlevertoposition
0and
thenback
toposition
3or
[>
Operatewindshieldwashersystem
or
[>
Changethesensitivityoftherainsensorwith
thethumbwheel.
Switch-onisconfirmedbyonewipeofthewind-
shield.

~
Changingthesensitivityoftherain
sensor

SensitivitycanbesetwiththethumbwheelAin
6stages.
[>TurnthumbwheelAcounter-clockwise-low
sensitivity
.
[>

TurnthumbwheelAclockwise-highsensitiv-
ity.
Thesettingisconfirmedbyonewipeofthe
windshield.
Controls,Instruments
103

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.

Washing
Thebestmethodofprotectingyourcarfrom
thedamagingeffectsoftheenvironmentisfre-
quentwashingandtheapplicationofapreserv-
ative.Theundersideofyourvehicleshouldalso
bewashedthoroughly,atthelatestwhensaltis
nolongerspreadontheroads.
Thelongersalt,roaddustandindustrialdust,
deadinsects,birddroppingsorsubstancesfrom
trees(resin,pollen)areallowedtoremainonthe
bodywork,themoreseriousistheirharmfulef-
fect.
Newcarsshouldbewashedcarefullywithplenty
ofclearwatertoprotectthenewpaintwork.
Darkpaintfinishesshowupthesmallestofsur-
facedamage(e.g.,scratches)morereadilythan
lightercolors.
Darkcolorsarealsomoresusceptibleto
scratchingbecauseofthecompositionoftheir
pigmentsandrequireparticularlycarefulpaint
care.
[>
Donotwashyourcarinbrightsunlightor
whilethebodyworkisstillhot.
[>Whenwashingbyhand,useabundantwater,
asoftspongeorwashbrush,andPorsche
carshampoo.
[>Beginbysprayingthebodythoroughlywith
watertorinseawayloosedirt.
186Maintenance,CarCare
[>
Afterwashing,rinsethecarwithplentyof
waterandthendrywithachamoisleather.
Donotusethesamechamoisleatherfor
dryingasyouuseforcleaningthewindshield
andwindows.
/!\.Warning!
Moisturewhichgetsontothebrakesduring
acarwashcanreducebrakingefficiencyor
makethebrakespullunevenlywhichcould
increasethedangerofanaccident,causing
seriouspersonalinjuriesordeath.
[>Alwaysapplythebrakesafewtimesafter
washingthecartotestbrakingefficiencyand
drythebrakediscs.
Whendoingthis,takecarenottohamper
otherroadusersbehindyou(trafficconditions
permitting).

Automatic
carwashes
Optionaladd-onpartsorpartswhichproject
beyondthecontoursofthevehiclemaybe
damagedbydesignfeatures(e.g.brushes)of
automaticcarwashes.
Thefollowing
parts
areparticularlysuscep-
tibletodamage:
-Windshieldwipers(alwaysswitchthemoffto
preventthemwipingunintentionallyinintermit-
tentorsensoroperation)
-Externaltelephoneantennas(alwaysunscrew)
-RoofTransportSystem(alwaysremovecom-
pletely)
-Fixedrearspoilerorextendedrearspoiler
-Wheels(thewidertherimandthelowerthe
tireheight,thegreatertheriskofdamage)
-High-glosswheels(topreventthesefromget-
tingscratched,donotcleanwiththewheel-
cleaningbrushesofthecarwash).
[>
Pleaseconsulttheoperatorbeforeusingauto-
maticcarwashes.
[>Washanddrybyhandallpointsnotreached
byacarwash,suchasdoorandlidseamsor
doorsills.
Note
Automaticcarwashesspraywateratodd
anglesandhighpressures,whicharenotseen
innormaldriving.Therefore,watercansome-
timesfinditswayintothepassengerscompart-
mentduringorshortlyafterthecarwash.