Navistar MaxxForce 9 - Entry Conditions for a Parked Regen

DIAGNOSTICMANUAL
Table187EntryConditionsforaParkedRegen
AParkedRegencanonlybeperformedwhentheDPFsootlevelthresholdisreached.TheDPFlampwill
ashorstayonsolid,signalingtheneedforRegen.
ThefollowingconditionsarerequiredforaParkedRegen:
•EngineRunning
•DPFlampison
•ParkedRegenswitchon
•DPFStatussignaldisplaying:RegenNeeded
•Redstopenginelampnoton
•EngineCoolantTemperatureisaboveoratleast170ºF(75ºC)
•Vehiclespeednotrolling
•InhibitingDTCsmustnotbeactive.GotoRegenInhibitorspage152
•RegenInhibitswitchnotactive(switchmustbeoff)
•PTOnotactive(switchmustbeoff)
•ExhaustT emperaturesensorsbelowsafethresholds:
•DOCITbelow932°F(500°C)
•DOCOTbelow1202°F(650°C)
•DPFOTbelow1382°F(750°C)
OnboardFilterCleanlinessTest.DPFStatusdisplays“Regenneeded”andvehicleisunabletoperformanActive
Regen,gotoappropriateaftertreatmentsystemdiagnosticssectioninthismanual.
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