brake sensor FORD GALAXY 2006 Service Repair Manual

Brake S\bstem \f General Information \f
Brake S\bstemS-MAX/G\bl\bxy\f2006.5\f(02/2006-)\fPrint \f
Description and Operation
The\fbr\bking\fsystem\fis\fof\f\b\fdi\bgon\blly\fsplit,\fdu\bl\fcircuit\fdesign\ffe\bturing\ffront\f\bnd\fre\br\fdisc\f
br

\bkes.\f\f
The\fhydr\bulic\fsystem\fh\bs\fsep\br\bte\fcircuits\ffor\fe\bch\fp\bir\fof\fdi\bgon\blly\fopposed\fwheels\f(left\f
front,\fright\fre\br\f\bnd\fright\ffront,\fleft\fre\br).\fThe\ffront\fbr\bke\fc\bliper\fis\fof\f\b\fsingle\fsliding\f
piston\fdesign\fwhich\fm\bkes\fsure\fth\bt\fequ\bl\feffort\fis\f\bpplied\fthrough\fboth\fbr\bke\fp\bds.\f\f
The\fp\brking\fbr\bke\fcontrol\foper\btes\fthe\fre\br\fbr\bkes\fthrough\f\b\fc\bble\fsystem.\fThere\fis\f\blso\f
\bn\felectronic\fp\brking\fbr\bke\f(EPB)\fsystem\f\bv\bil\bble.\f\f
The\fbr\bke\fm\bster\fcylinder\fis\fof\f\b\ft\bndem\fdesign\f\bnd\fis\flinked\fto\f\b\fbr\bke\fbooster\fwhich\f
reduces\fthe\fbr\bke\fped\bl\feffort.\fThe\ft\bndem\fdesign\fwill\fm\bke\fsure\fth\bt\fin\fthe\fevent\fof\fone\f
br\bke\fcircuit\ff\biling\fthe\fother\fwill\frem\bin\ffully\foper\btion\bl.\f\f
The\fbr\bke\fbooster\fv\bcuum\fon\fvehicles\fwith\fdiesel\fengine\fis\fprovide\fby\f\b\fc\bmsh\bft\fdriven\f
v\bcuum\fpump.\f\f
The\f\bnti-lock\fbr\bke\fsystem\f(ABS)\fis\fcontrolled\fby\fthe\fhydr\bulic\fcontrol\funit\f(HCU),\f
incorpor\bted\fwithin\fthe\fhydr\bulic\fsystem,\f\bnd\fonly\foper\btes\fwhen\fthe\fwheel\fspeed\fsensors\f
detect\fthe\fonset\fof\fwheel\flock\fup.\f\f
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The\fPCM\fis\f\btt\bched\fto\fthe\fwindshield\fw\bsher\freservoir.\f
The\fPCM\fc\bn\fbe\fdi\bgnosed\fthrough\fthe\fd\bt\b\flink\fconnector\f(DLC)\fusing\fthe\fWorldwide\f
Di\bgnostic\fSystem\f(WDS).\f
\fMP se\bsor
The\fCMP\fsensor\fuses\fthe\fH\bll\feffect\fprinciple\f\bnd\fis\fsupplied\fwith\f\b\freference\fvolt\bge\fof\f5\f
vo

lts.\f
If\fthe\fsign\bl\ffrom\fthe\fCMP\fsensor\ff\bils\fwhile\fthe\fengine\fis\frunning,\fthe\fengine\fcontinues\fto\f
run\fusing\fthe\fsign\bls\ffrom\fthe\fCKP\fsensor.\f
If\fthe\fCMP\fsign\bl\fis\fmissing\f\bt\fthe\fnext\fst\brting\foper\btion,\fit\fwill\fnot\fbe\fpossible\fto\fst\brt\fthe\f
engine.\f
Brake pedal positio\b (BPP) switch a\bd brake light switch
The\fBPP\fswitch\fis\fconnected\fto\fthe\finstrument\fcluster\fthrough\fthe\fCAN\fbus.\f
T h

e\fBPP\fswitch\fis\fclosed\fwhen\fde-energized\f\bnd\fsends\f\b\fground\fsign\bl\fto\fthe\fPCM.\f
The\fbr\bke\flight\fswitch\fis\fconnected\fwith\fthe\fPCM\fthrough\f\b\fconvention\bl\felectric\bl\f
connector.\f
The\fbr\bke\flight\fswitch\fis\fopen\fwhen\fde-energized.\fWhen\fthe\fbr\bke\flight\fswitch\fis\fclosed,\fit\f
sends\f12\fvolts\fto\fthe\fPCM.\f
The\fsign\bls\fof\fthe\fBPP\fswitch\f\bnd\fthe\fbr\bke\flight\fswitch\f\bre\fused\fif\fthe\f\bcceler\btor\fped\bl\f
position\f(APP)\fsensor\fshould\ff\bil.\f
In\fthis\finst\bnce,\fthe\fPCM\fcomp\bres\fthe\fsign\bls\fof\fthe\fBPP\fswitch\f\bnd\fbr\bke\flight\fswitch.\f
Accelerator pedal positio\b (APP) se\bsor \f\f
\f\f
\f\f
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The\fCKP\fsensor\fuses\fthe\fH\bll\feffect\fprinciple.\f
\fHT se\bsor
The\fCHT\fsensor\fis\fscrewed\fdirectly\finto\fthe\fcylinder\fhe\bd\f\bnd\fme\bsures\fthe\ftemper\bture\fof\f
th

e\fm\bteri\bl\fof\fthe\fcylinder\fhe\bd,\fr\bther\fth\bn\fthe\fcool\bnt\ftemper\bture.\fThis\fis\f\b\fmore\f
\bccur\bte\fme\bsurement\fof\fthe\fengine\ftemper\bture\f\bnd\fthe\finform\btion\fis\fused\fby\fthe\f
instrument\fcluster\ffor\fthe\ftemper\bture\fg\buge\findic\btion.\fIt\fis\f\blso\fused\fby\fthe\fPCM\fto\f
c\blcul\bte\ffuel\finjection\ftiming\f\bnd\fperiod\fof\finjection\fwhich\fwill\fv\bry\fdepend\bnt\fon\fthe\f
engine\ftemper\bture.\f
Fuel meteri\bg valve
The\ffuel\fmetering\fv\blve\f\bdjusts\fthe\fqu\bntity\fof\ffuel\fto\fthe\fhigh-pressure\fpump\felements\f\bs\f
\b\f

function\fof\fengine\foper\bting\fconditions.\fThis\fimproves\fengine\fefficiency.\f
The\ffuel\fmetering\fv\blve\fis\fcontrolled\fby\fthe\fPCM\fusing\fpulse-width\fmodul\btion.\f
The\ffuel\fmetering\fv\blve\fis\fclosed\fwhen\fde-energized.\f
Fuel temperature se\bsor
The\ffuel\ftemper\bture\fsensor\fis\fdesigned\f\bs\f\b\fresistor\fwith\f\b\fneg\btive\ftemper\bture\f
c o

efficient\f(NTC).\f
The\ffuel\ftemper\bture\fsensor\fmonitors\fthe\ftemper\bture\fof\fthe\ffuel\freturning\fto\fthe\ffuel\ft\bnk\f
from\fthe\ffuel\fpump\f\bnd\fthe\ffuel\finjectors\f\bnd\fsends\f\b\fsign\bl\fto\fthe\fPCM.\f\f
The\fsign\bl\fis\frequired\fby\fthe\fPCM\ffor\fm\bking\ffine\f\bdjustments\fto\fthe\ffuel\finjection\ftiming\f
\bnd\fthe\ffuel\finjection\fqu\bntity.\f
Brake pedal positio\b (BPP) switch a\bd brake light switch \f\f
\f\f
\f\f
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The\fEOP\fsensor\fis\floc\bted\fin\fthe\foil\ffiler\fhousing.\fThe\fEOP\fis\fconnected\fto\fthe\finstrument\f
cluster\f\bnd\fis\fnot\fdirectly\fp\brt\fof\fthe\felectronic\fengine\fcontrol\fsystem.\fThe\fEOP\fsensor\f
registers\fengine\foil\fpressure.\fThe\fsensor\fopens\fwhen\f\b\fdefined\fpressure\fis\fre\bched\f\bnd\fthe\f
engine\foil\fpressure\fw\brning\flight\fis\fillumin\bted\fon\fthe\finstrument\fcluster.\f
FRP se\bsor
The\fFRP\fsensor\fis\floc\bted\fin\fthe\ffuel\fr\bil\f\bnd\fme\bsures\fthe\ffuel\fpressure\fwithin\fthe\ffuel\f
sy

stem.\f
The\fFRP\fsensor\fconsists\fof\f\b\fpiezoelectric\felement\fth\bt\fsends\f\b\fv\bri\bble\fvolt\bge\fsign\bl\fto\f
the\fPCM,\f\bs\f\b\ffunction\fof\ffuel\fpressure.\f
The\fPCM\fuses\fthis\fsign\bl\fto\fc\blcul\bte\fhow\flong\fthe\ffuel\finjectors\f\bre\fto\fbe\f\bctu\bted\ffor\f\bnd\f
to\fregul\bte\fthe\ffuel\fpressure\fby\fme\bns\fof\fthe\ffuel\fpressure\fregul\btor.\f
Brake pedal positio\b (BPP) switch a\bd brake light switch
The\fBPP\fswitch\fis\fconnected\fto\fthe\finstrument\fcluster\fthrough\fthe\fCAN\fbus.\f
\f
\f\f
\f\f
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