ElectricPowerManagement
EPMworkstopreventexcessive discharge ofthe
battery.Itdoesthisbybalancing thegenerator's output
andthevehicle's electrical needs.Itcanincrease
engineidlespeedtogenerate morepower,whenever
needed.Itcantemporarily reducethepowerdemands
ofsomeaccessories.
ThevehiclehasElectric PowerManagement (EPM)that
estimates thebattery's temperature andstateofcharge.
Itthenadjuststhevoltageforbestperformance and
extended lifeofthebattery.
Whenthebattery's stateofchargeislow,thevoltageis
raisedslightly toquicklybringthechargebackup.
Whenthestateofchargeishigh,thevoltageislowered
slightly topreventovercharging. Ifthevehiclehasa
voltmeter gageoravoltagedisplayontheDriver
Information Center(DIC),youmayseethevoltage
moveupordown.Thisisnormal.Ifthereisaproblem,
analertwillbedisplayed.
Normally,theseactionsoccurinstepsorlevels,without
beingnoticeable. Inrarecasesatthehighestlevelsof
corrective action,thisactionmaybenoticeable tothe
driver.Ifso,aDriverInformation Center(DIC)message
mightbedisplayed, suchasBATTERYSAVER
ACTIVE,BATTERYVOLTAGELOW,orLOW
BATTERY.Ifthismessageisdisplayed, itis
recommended thatthedriverreducetheelectrical loads
asmuchaspossible. SeeDICWarningsandMessages
on page 4‑48.
Thebattery canbedischarged atidleiftheelectrical
loadsareveryhigh.Thisistrueforallvehicles. Thisis
becausethegenerator (alternator) maynotbespinning
fastenoughatidletoproduceallthepowerthatis
neededforveryhighelectrical loads.
BatteryRun-DownProtection
Thisfeatureshutsoffthedomelampsiftheyare
leftonformorethan10minuteswhentheignition isin
LOCK/OFF.Thishelpstopreventthebatteryfrom
runningdown.
Ahighelectrical loadoccurswhenseveralofthe
following areon,suchas:headlamps, highbeams,fog
lamps,rearwindowdefogger,climatecontrolfanathigh
speed,heatedseats,enginecoolingfans,trailerloads,
andloadspluggedintoaccessory poweroutlets.
4-18
| Categories | Cadillac Escalade Manuals, Cadillac Manuals |
|---|---|
| Tags | Cadillac Escalade 6.2 |
| Model Year | 2010 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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