Navistar MaxxForce 9 Diagnostic Manual

DIAGNOSTICMANUAL
Step
ActionDecision
11
PerformStandardTesttoverifyallenginesystemsareoperatingas
designed.Verifyenginecoolanttemperatureisgreaterthan158°F(70°C).
UsingESTwithServiceMaxx™software,gotoTests>KOERTests>
StandardTest.
DoesStandardT estrunandpass?
Yes:Gotostep
12
No:Diagnose
andrepairactive
faultcode(s)
(seeElectronic
ControlSystem
Diagnostics
sectioninEngine
Diagnostic
Manual).
Step
ActionDecision
12
PerformthefollowingMAFSensorCalibrationproceduretoaccommodate
forsystemrepairs:
1.Verifyenginecoolanttemperatureisgreaterthan180°F(82°C),
andlubeoiltemperatureisgreaterthan176°F(80°C).
2.UsingESTwithServiceMaxxsoftware,gotoTests>and
deselectLoadTestSpecicSession.
3.GotoSessions>Performanceandselecttherecordsnapshot
iconfromthetoolbar.
4.Gotoprocedures>KOERProcedures>MAFSensor
Calibration.
5.AfterMAFSensorCalibrationiscomplete,stoprecording.
6.TurntheignitionswitchtotheOFFpositionforaminimumof
30seconds.
7.Repeatsteps3through5tocompletesecondMAFSensor
Calibration.
DoesMAFSensorCalibrationprocedurerunandpass?
Yes:Diagnostics
complete
No:Goto
Performance
Diagnostics
sectioninEngine
Diagnostic
Manual.
16
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Navistar MaxxForce 9 Specifications

General

Brand	Navistar
Model	MaxxForce 9
Category	Engine
Language	English