Navistar MaxxForce 9 Diagnostic Manual

DIAGNOSTICMANUAL
MAXXFORCE
®
11,13AND15SERVICEMAXX™SNAPSHOTS
10.1.GRAPH1:AIRMANAGEMENTSYSTEMTEST(GOOD)
NOTE–Colorsinthegraphsareusedforclarityonlyandwillnotnecessarilymatchthecolorsyouwill
seeinyourServiceMaxx™snapshots
1.Enginespeed(rpm)[Green]
2.IntakeManifoldPressure(IMP)
(psi)[Orange]
3.Turbocharger2WastegateControl
(TC2WC)(percent)[Blue]
Figure26Graph1:AirManagementSystemTest(Good)
GraphAnalysis:
ThisgraphshowsnormaloperationoftheAirManagementSystem(AMS)duringtheAirManagementTest
(AMT).TheAMTdoesnotgivepassorfailresults.ItonlyallowstheusertovalidatetheAMSbymonitoring
theeffectseachactuatorhasonIntakeManifoldPressure(IMP).IMPisnormallybetween8psi(55kPa)to13
psi(90kPa)onenginerampupduringAMT .IfTurbocharger2WastegateControl(TC2WC)isnotoperatingas
designed,boostpressurewillnotrespondtochangesinengineload.Excesssootwillthenbegeneratedby
theenginecausingfrequentregenerationoftheaftertreatmentsystem.
120
https://www.truck-manuals.net/

Navistar MaxxForce 9 Specifications

General

Brand	Navistar
Model	MaxxForce 9
Category	Engine
Language	English