Navistar MaxxForce 9

DIAGNOSTICMANUAL
WARNING
Topreventpersonalinjuryordeath,donotexceedlocalspeedlimitlawsordrivetoofast
forconditionswhenperforming0to60MPHTest.
NOTE–IntakeManifoldPressure(IMP)canvarybasedonECMcalibrationandvehicleweight.Using
ElectronicServiceTool(EST)withServiceMaxx™software,monitorturbochargerwastegateoperation
toverifylowboost.
Step
ActionDecision
5A
Checkforengineperformanceissues.Perform0to60MPHTest
procedurebelow.
1.UsingElectronicServiceTool(EST)with
ServiceMaxx™software,gotoSessions>
Performance
2.Findanopenstretchofroadwhereminimumspeed
limitis50MPHorhigher.
3.Pullovertothesideoftheroad.
4.Whendrivingconditionsaresafeandvehiclehas
reachednormaloperatingtemperature,selectthe
recordsnapshoticonfromthetoolbar.
5.Pressacceleratorpedalfullytotheoorand
acceleratefrom0MPHtomaxallowedhighway
speed.
After0to60MPHT estiscomplete,stoprecordingandsave
snapshot.
Gotostep5B
46
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