款别克昂科雷原厂车身系统喇叭部分维修手册可编辑.docx

款别克昂科雷原厂车身系统喇叭部分维修手册可编辑.docx

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款别克昂科雷原厂车身系统喇叭部分维修手册可编辑

2009款别克昂科雷原厂车身系统喇叭部分维修手册（可编辑）

2009款别克昂科雷原厂车身系统喇叭部分维修手册

Horns4-1

BodySystems

Horns

Specications

SIE-ID1889233Ownerkyoukh01LMD15-mar-2007LMBamille01

FastenerTighteningSpecications

Specication

Application

MetricEnglish

CruiseControlSwitchBolt25N?

m22lbin

HornBracketBolt9N?

m80lbin

RadioControlSwitchBolt25N?

m22lbin

2009-AcadiaEnclaveOUTLOOKTraverseVINRVServiceManualJune242008

4-2Horns

SchematicandRoutingDiagrams

SIE-ID2087799Ownerpluber01LMD28-mar-2008LMBdtrocz01

2009-AcadiaEnclaveOUTLOOKTraverseVINRVServiceManualJune242008

Horns4-3

9

6

1

8

7

0

2

s

c

i

t

a

m

e

h

c

S

n

r

o

H

2009-AcadiaEnclaveOUTLOOKTraverseVINRVServiceManualJune

242008

4-4Horns

DiagnosticInformationandProcedures

DiagnosticStartingPoint-Horns

SIE-ID1556704Ownermgastm01LMD25-jul-2006LMBtdedvu01

BeginthesystemdiagnosiswiththeDiagnosticSystem

Check-Vehicleonpage6-60TheDiagnosticSystem

Checkwillprovidethefollowinginformation

Theidenticationofthecontrolmoduleswhich

commandthesystem

Theabilityofthecontrolmodulestocommunicate

throughtheserialdatacircuit

Theidenticationofanystoreddiagnostictrouble

codesDTCsandtheirstatus

TheuseoftheDiagnosticSystemCheckwillidentify

thecorrectprocedurefordiagnosingthesystem

andwheretheprocedureislocated

2009-AcadiaEnclaveOUTLOOKTraverseVINRVServiceManualJune242008

Horns4-5

DTCB2750

SIE-ID1873855Ownertspaul01LMD12-jun-2007LMBtspaul01

DiagnosticInstructionsDTCDescriptor

PerformtheDiagnosticSystemCheck-VehicleDTCB275000HornRelayCoilCircuit

onpage6-60priortousingthisdiagnostic

procedure

ReviewStrategyBasedDiagnosisonpage6-57forDiagnosticFaultInformation

anoverviewofthediagnosticapproach

DiagnosticProcedureInstructionsonpage6-58

providesanoverviewofeachdiagnosticcategory

ShorttoOpenHighShorttoSignal

CircuitGroundResistanceVoltagePerformance

HornRelayB22

HornRelayControlB275000B275000B275000

HornControl221

HornSwitchGround22

HornGround22

1HornAlwaysOn

2HornInoperative

CircuitSystemDescriptionReferenceInformation

ThebodycontrolmoduleBCMcontrolsthehornSchematicReference

relaybygroundingthecontrolcircuitofthehornrelay

coilenergizingtherelayWhenthehornrelayisHornSchematicsonpage4-2

energizedthehornrelaycontactscloseapplying

ConnectorEndViewReference

voltagethroughthehornfuseandthehorncontrol

circuittothehornsComponentConnectorEndViewsonpage11-211

DescriptionandOperation

ConditionsforRunningtheDTCHornsSystemDescriptionandOperationonpage4-12

WhenthehornoutputisactivelybeingrequestedbyElectricalInformationReference

theBCM

CircuitTestingonpage11-456

ConditionsforSettingtheDTC

ConnectorRepairsonpage11-478

TheBCMdetectsashorttogroundopenorshorttoTestingforIntermittentConditionsandPoor

voltageinthehornrelaycontrolcircuitforConnectionsonpage11-460

approximately125millisecondsWiringRepairsonpage11-465

ScanToolReference

ActionTakenWhentheDTCSets

ControlModuleReferencesonpage6-1forscantool

TheBCMdisablestheoutputtothehornrelayuntilinformation

thenextignitioncycle

CircuitSystemVerication

ConditionsforClearingtheDTCCommandthehornsONandOFFwiththescantool

TheDTCclearswhenthefaultisnolongerThehornsshouldturnONandOFFwhenchanging

detectedbetweenthecommandedstates

ThecurrentDTCwillbecomehistorywhenthe

requestfortheoutputisremoved

ThehistoryDTCwillclearafter50consecutive

fault-freeignitioncycleshaveoccurred

2009-AcadiaEnclaveOUTLOOKTraverseVINRVServiceManualJune242008

4-6Horns

CircuitSystemTestingSymptoms-Horns

1IgnitionOFFdisconnecttheHORNrelaySIE-ID1875165Ownertspaul01LMD01-dec-2006LMBtdedvu01

2IgnitionONverifyatestlampilluminatesbetweenImportantThefollowingstepsmustbecompleted

theBcircuitterminal85andgroundbeforeusingthesymptomtables

IfthetestlampdoesnotilluminatetesttheB1PerformDiagnosticSystemCheck-Vehicleon

circuitforashorttogroundoranopenhighpage6-60beforeusingthesymptomtablesin

resistanceIfthecircuitfuseisopentestordertoverifythatallofthefollowingaretrue

thecontrolcircuitterminal87forashortto

TherearenoDTCsset

groundIfallcircuitstestnormaltestor

replacetheHORNrelayThecontrolmodulescancommunicateviathe

serialdatalink

3Connectatestlampbetweenthecontrolcircuit

terminal86andtheBcircuitterminal852Reviewthesystemoperationinordertofamiliarize

yourselfwiththesystemfunctionsRefertoHorns

4CommandthehornsONandOFFwithascan

SystemDescriptionandOperationonpage4-12

toolThetestlampshouldturnONandOFF

whenchangingbetweenthecommandedstates

VisualPhysicalInspection

IfthetestlampisalwaysOFFtestthe

controlcircuitforashorttovoltageoran

Inspectforaftermarketdeviceswhichcouldaffect

openhighresistanceIfthecircuittestsnormaltheoperationofthehornsystemReferto

replacetheBCMCheckingAftermarketAccessoriesonpage11-455

IfthetestlampisalwaysONtestthecontrolInspecttheeasilyaccessibleorvisiblesystem

circuitforashorttogroundIfthecircuittestscomponentsforobviousdamageorconditions

normalreplacetheBCMwhichcouldcausethesymptom

5IfallcircuitstestnormaltestorreplacethePerformthefollowingifahornbuzzesorhasa

HORNrelayharshtone

Inspectfordebrisinthejointwherethehorn

ComponentTestingfastenstothevehicle

1IgnitionOFFdisconnectthehornrelayTestthetorqueofthehornmounting

hardwareThehornmountinghardware

2Testfor60–180ohmsbetweenterminals85

shouldbetightenedtoatorqueof

and86

10N?

m7lbft

Ifnotwithinthespeciedrangereplace

therelay

Intermittent

3Testforinniteresistancebetweenthefollowing

terminalsFaultyelectricalconnectionsorwiringmaybethe

causeofintermittentconditionsRefertoTestingfor

30and86IntermittentConditionsandPoorConnectionson

30and87page11-460

30and85

85and87SymptomList

Ifnotthespeciedvaluereplacetherelay

RefertoasymptomdiagnosticprocedureHorns

Malfunctiononpage4-6inordertodiagnosethe

4Installa30-ampfusedjumperwirebetweenrelay

symptom

terminal85and12voltsInstallajumperwire

betweenrelayterminal86andgroundTest

forlessthan2ohmsbetweenterminals30and87HornsMalfunction

IfgreaterthanthespeciedrangereplaceSIE-ID1873856Ownertspaul01LMD28-feb-2008LMBtspaul01

therelay

DiagnosticInstructions

RepairInstructionsPerformtheDiagnosticSystemCheck-Vehicle

PerformtheDiagnosticRepairVericationonpage6-86onpage6-60priortousingthisdiagnostic

aftercompletingthediagnosticprocedureprocedure

RelayReplacementAttachedtoWireHarnessReviewStrategyBasedDiagnosisonpage6-57for

onpage11-521orRelayReplacementWithinananoverviewofthediagnosticapproach

ElectricalCenteronpage11-522DiagnosticProcedureInstructionsonpage6-58

ControlModuleReferencesonpage6-1forBCM

providesanoverviewofeachdiagnosticcategory

replacementsetupandprogramming

2009-AcadiaEnclaveOUTLOOKTraverseVINRVServiceManualJune242008

Horns4-7

DiagnosticFaultInformation

ShorttoOpenHighShorttoSignal

CircuitGroundResistanceVoltagePerformance

HornRelayB22

HornRelayControlB275000B275000B275000

HornControl221

HornSwitchGround22

HornGround22

1HornAlwaysOn

2HornInoperative

CircuitSystemDescriptionCircuitSystemVerication

Batterypositivevoltageisappliedatalltimestothe1IgnitionONpressandreleasethesteeringwheel

hornrelaycoilandthehornrelayswitchPressingthehornpadThehornsshouldsoundandemita

hornswitchappliesgroundthroughtheswitchclearandeventoneonlywhenthehornpad

contactsandthehornrelaycontrolcircuittothecoilispressed

sideoftherelayenergizingtherelayBatteryIfthehornsdonotsoundwhenthehornpad

voltageisthenappliedthroughtheswitchsideoftheispressedorcontinuessoundingafterthe

relaythehornfuseandthehorncontrolcircuittohornpadisreleasedrefertoHornSwitch

thehornsThebodycontrolmoduleBCMmayalsoCircuitTest

applygroundtothehornrelaycontrolcircuitas

Ifthesoundemittedfromthehornsarenot

describedaboveThehornssoundaslongasground

clearandevenrefertoHorn–PoorTone

isappliedtothehornrelaycontrolcircuit

2CommandtheHornONandOFFwiththescan

DiagnosticAidstoolThehornsshouldturnONandOFFwhen

changingbetweenthecommandedstates

IfdiagnosingaHorn-PoorToneconditioninspecttheIfthehornsdonotturnONandOFFwhen

following

changingbetweenthecommandedstates

DebrisorwaterinthehornassemblyrefertoHornCircuitTest

ProperhornmountinghardwaretorqueReferto

FastenerTighteningSpecicationsonpage4-1CircuitSystemTesting

DebrisinthejointwherethehornsattachtotheHornSwitchCircuitTest

vehicle

1IgnitionOFFdisconnecttheX2harnessconnector

ReferenceInformationatthehornswitch

2IgnitionONtestforlessthan1ohmbetweenthe

SchematicReferencegroundcircuitterminal1andground

HornSchematicsonpage4-2Ifgreaterthanthespeciedrangetestthe

ConnectorEnd