2003 PORSCHE 911 CARRERA brake sensor

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

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

OperationoftheABSsystem
Awheelspeedsensorismountedtoeachofthe
fourwheels.Ifwheellock-upofeitherofthe
frontwheelsortherearwheelsissensedduring
braking,thebrakepressureisadjustedautomat-
icallyuntilthewheelnolongerslips.Thebrake
pressureisregulatedforeachfrontwheelindi-
viduallyandforbothoftherearwheels
together.
Onaroadsurfacewhichisslipperyononlyone
side,therearwheelwhichisbrakingontheslip-
perysurfacedeterminesthebrakepressure
whichwillbeappliedequallytobothrearwheels.
Thisensuresthatdirectionalstabilityismain-
tained.However,ifbrakingforcesapproachthe
wheellock-uppointforallwheels(panicbraking)
theABSsystemwillintervenetoprovidearapid
rythmicbraking.
TheproperoperationofABSisperceivedbythe
driverasapulsatingbrakepedalinconjunction
withaudiblenoiseandperhapssomevibration.
I>Ifyouexperiencethesesensationswhiledriv-
ingoraroadsurfacewithquestionabletrac-
tion,reducevehiclespeedappropriateforthe
prevailingroadconditions.
Thefunctionalreadinessofallthemainelectrical
componentsoftheABSischeckedbyanelec-
tronicmonitoringsystembothbeforeandwhile
youdrive.

8
WarninglightUSA
@
WarninglightCanada

WhentheignitionisswitchedontheABSwarn-
inglightwilllightupwhilethesystemiselec-
tronicallyinterrogatedandgoesoutwhenthe
engineisstartedifthecheckisnotyetcom-
plete.
IftheABSwarninglampfailstogoout,thisindi-
catesthatABShasbeendeactivatedduetoa
fault.Ifthewarninglightsintheinstrumentpanel
andon-boardcomputerlightupwhileyouare
driving,thisindicatesthatafaulthasoccurred.
Inbothcases,normalbraking,asinvehicles
withoutABS,isstillretained.
TheABSsystemshould,however,beexamined
atanauthorizedPorschedealerimmediatelyto
preventtheoccurrenceoffurtherfaults.
I>IftheABSsystembecomesinoperative,take
yourvehicletoyourauthorizedPorsche
dealerimmediately.
/!\Warning!
ThecontrolunitoftheABSbrakesystemis
setforstandardtiresize.Ifnon-standard
tiresareinstalled,thecontrolunitmaymis-
interpretthespeedofthevehicle,because
ofthevariantdataitreceivesfromthesen-
sorsontheaxles.
I>Useonlytiremakesandtypestestedby
Porsche.
Controls,Instruments
57

PorscheStabilityManagement
(PSM)
PSMisanactivecontrolsystemforstabilizing
thevehicleduringextremedrivingmaneuvers.
/!\.Warning!
Theincreasedcontrolthatisprovided
shouldnotinduceyoutotakegreaterrisks
withyoursafety.Thelimitsdictatedbythe
lawsofphysicscannotbeovercome,even
withPSM.
Theriskofaccidentsduetoinappropriate
speedcannotbereduced,evenbyPSM.
Thedriverbearstheresponsibilityforall
drivingmaneuvers.
[>Adaptyourdrivingstyletotheprevailingroad
andweatherconditions.
[>Obeyalltrafficlaws.
AdvantagesofPSM
-Superiortractionandlane-holdingabilityinall
drivingsituations-evenonroadsurfaces
withvaryingfriction.
-PSMactivelystabilizesthevehicleduringdy-
namicdrivingmanoeuvres(e.g.rapidsteering
movements,duringlanechangesoronalter-
natingcurves).
58Controls,Instruments
-Improvedbrakingstabilityincurvesandon
differentorvaryingroadsurfaces.
Readinessforoperation
ThePSMisengagedautomaticallyeverytime
youstarttheengine.
Function
Sensorsatthewheels,brakes,steeringsystem
andenginecontinuouslymeasure:
-Drivingspeed
-Directionoftravel
-Lateralacceleration
-Rateofturnaboutthevehicle'sverticalaxis
ThePSMusesthesevaluestodeterminethe
directionoftraveldesiredbythedriver.
PSMintervenesandcorrectsthecourseifthe
vehicle'sactualdirectiondeviatesfromthe
desiredcourse(steering-wheelposition).It
brakesindividualwheelsasneeded.Ifnecess-
ary,thePSMadditionallyinfluencestheengine
powerorthegear-changingcharacteristicofthe
Tiptronicinordertostabilizethevehicle.
TheeventsbelowinformthedriverofPSMcon-
troloperationsandwarnhimtoadapthisdriving
styletotheroadconditions:
-Theinformationlightintheinstrumentpanel
lightsup.
-Hydraulicnoisescanbeheard.
-Thevehicledeceleratesandsteering-wheel
forcesarealteredasthePSMcontrolsthe
brakes.
-Reducedenginepower.
-Thebrakepedalpulsatesanditspositionis
changedduringbraking.
However,itispossibleatanytimetoachieve
fullvehicledecelerationbyincreasingthefoot
pressureslightlyonthebrakepedal.

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

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.