Navistar MaxxForce 9 - Page 62

DIAGNOSTICMANUAL
Actions:
1.AfterDieselOxidationCatalyst(DOC)reachesoperatingtemperatureandstabilizes,verifyDiesel
ParticulateFilterInletTemperature(DPFIT)signalvalueisatapproximatetargettemperaturefor
currentsootloadlevel(SeeSootLoadLevelvs.ExhaustGasT argetTemperatureChart,page62).
2.VerifyDieselOxidationCatalystInletTemperature(DOCIT)signalvalueisbetween550°F(287°C)
to800°F(427°C).
NOTE–ItisnormaltoseeDOCIT ,DPFIT,andDPFOTsignalvaluestouctuateatthebeginningandend
oftheOBFCT .
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