User Manual

Group28
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
FMI3
•Voltageabove
normal,orshorted
tohighsource
•Circuitshortedto
+
•MILilluminated
•Yellowelectronic
malfunctionlamp
illuminated
•Regenerationnot
possible
•Faultyharness
•Faultyconnector
•Faultycombustionairvalve
FMI4
•Voltagebelow
normal,orshorted
tolowsource
•Circuitshortedto
–
•MILilluminated
•Yellowelectronic
malfunctionlamp
illuminated
•Regenerationnot
possible
•Faultyharness
•Faultyconnector
•Faultycombustionairvalve
FMI5
•Currentbelow
normaloropen
circuit
•Opencircuit•MILilluminated
•Yellowelectronic
malfunctionlamp
illuminated
•Failed
regeneration
•Regenerationnot
possible
•Faultyharness
•Faultyconnector
•Faultycombustionairvalve
ECMSPN3491,AftertreatmentDieselParticulateFilter(DPF)Atomization
AirActuator–MID128PSID59
Typeof
fault:
FMIDescription:
FaultCondition:
Possible
Symptoms:
PossibleCause:
FMI3
•Voltageabove
normal,orshorted
tohighsource
•Circuitshortedto
+
•MILilluminated
•Yellowelectronic
malfunctionlamp
illuminated
•Aborted
regeneration
•Regenerationnot
possible
•Faultyharness
•Faultyatomizationairvalve
FMI4
•Voltagebelow
normal,orshorted
tolowsource
•Circuitshortedto
–
•MILilluminated
•Yellowelectronic
malfunctionlamp
illuminated
•Regenerationnot
possible
•Faultyharness
•Faultyatomizationairvalve
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