Navistar MaxxForce 15 - Page 11

DIAGNOSTICMANUAL
Step
ActionDecision
4
Checkforanenginenostart.TurnignitionswitchtoONpositionandcrank
engineforamaximumof20seconds.Ifenginedoesnotstart,wait2to3
minutesandcrankengineagainforamaximumof20seconds.
Doestheenginestartandrun?
Yes:Gotostep5
No:Goto
symptom2
(MediumDuty):
EngineNoStart/
StartsandStalls
page17.
Step
ActionDecision
5
UsingElectronicServiceTool(EST)withServiceMaxx™software,check
DiagnosticTroubleCode(DTC)listforSPN3719FMI0,15,and16(DPF
SootLoad).
IsSPN3719orSPN3936withFMI0,15,or16theonlyfaultcode(s)active?
Yes:Goto
Symptom3
(MediumDuty):
SPN3719or
SPN3936Active
OnlyorFrequent
Regenspage24.
No:Goto
Symptom4
(MediumDuty):
SPN3719or
SPN3936and
OtherActiveFault
Codespage34.
7
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