SECTION4–ENGINEOPERATION
Thirtysecondsbeforeengineshutdown,theIDLESHUTDOWN
indicatorilluminates.Thiscontinuesuntiltheengineshutsdown
orthelowidleshutdowntimerisreset.Theenginemustbeoutof
gearfortheISTtowork.Engineshutdowntimerwilldeactivate
foroneormoreofthefollowingconditions:
•Enginespeedisnotatidlespeed(700rpm).
•VehiclemovementoraVehicleSpeedSensor(VSS)fault
isdetected.
•ManualDPFRegenerationisenabled(ParkedRegen).
•AcceleratorpedalmovementoranAcceleratorPedal
Sensor(APS)faultisdetected.
•Enginecoolantoperatingtemperatureisbelow16°C(60
°F).
•Brakepedalmovementorabrakeswitchfaultisdetected.
•Parkingbraketransitionisdetected.
•Clutchpedalispressedorclutchpedalswitchfaultis
detected(manualtransmissions,ifequippedwithaclutch
switch).
•Shiftselectorismovedfromneutral(automatic
transmissions).
•IftheISTisenabled,theColdAmbientProtection(CAP)
willnotfunction.
COLDWEATHEROPERATION
WARNING
Topreventpersonalinjuryordeath,donotuse
ether,propane,gasolineorgasoholasstarting
aids.
NOTE:Ifoperatingintemperaturesbelow-12°C(10°F),
contactanauthorizedserviceproviderforinformation
aboutspecialcoldweatherequipmentandprecautions.
Attemperaturesbelow-12°C(10°F)ablockcoolantheaterand
oilpanheaterisrequiredforcoldstarting.
1.Beforeoperatingtheengineat0°C(32°F)orlower,check
orservicethefollowing:
•Correctbatterysize
•Correctamountofelectrolyte,ifnotamaintenance
freebattery.
•Fullbatterycharge
•Conditionofotherelectricalequipment
•Coolingsystemleaks
•Correctcoolantandcoolingsystemlevel
•Recommendedoilgrade
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