Navistar MaxxForce 15 - 4.4. GRAPH 4: 0 TO 60 MPH TEST (ENGINE SPEED, ENGINE LOAD, IMP, EBP, AND APP1); Graph Analysis

DIAGNOSTICMANUAL
MAXXFORCE
®
DT,9AND10SERVICEMAXX™SNAPSHOTS
4.1.GRAPH1:AIRMANAGEMENTSYSTEMTEST(GOOD)
NOTE–Colorsinthegraphsareusedforclarityonlyandwillnotnecessarilymatchthecolorsyouwill
seeinyourServiceMaxx™snapshots
1.MassAirFlow(MAF)MeanValue
(MMV)(mg)[Green]
2.IntakeManifoldPressure(IMP)
(psi)[Red]
3.ExhaustGasRecirculation(EGR)
valveposition(percent)[Purple]
Figure5Graph1:AirManagementSystemTest(Good)
GraphAnalysis:
ThisgraphshowsnormaloperationoftheAirManagementSystem(AMS)duringtheAirManagementTest
(AMT).TheAMTgivespassorfailresultsbasedonthedifferenceofowinMAFMeanValue(MMV).Itallows
theusertovalidatetheAMSbymonitoringtheeffectseachactuatorhasonIntakeManifoldPressure(IMP).
IMPisnormallybetween2psi(14kPa)to6psi(41kPa)
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