User Manual

Group28
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
FMI4
•Voltagebelow
normal,orshorted
tolowsource
•Circuitshorted–•MILilluminated•Faultyharness
•Faultyconnector
•AftertreatmentDEFlineheater1or3
failure
•AftertreatmentDEFpumpassembly
failure
•AftertreatmentDEFtankheatingvalve
failure
•AftertreatmentControlModule(ACM)
FMI5
•Currentbelow
normaloropen
circuit
•Opencircuit•MILilluminated•Faultyharness
•Faultyconnector
•AftertreatmentDEFlineheater1or3
failure
•AftertreatmentDEFpumpassembly
failure
•AftertreatmentDEFtankheatingvalve
failure
•AftertreatmentControlModule(ACM)
ECMSPN3675,EngineTurbochargerCompressorBypassValvePosition
–MID128PPID330
Typeof
fault:
FMIDescription:
FaultCondition:
Possible
Symptoms:
PossibleCause:
FMI3
•Voltageabove
normal,orshorted
tohighsource
•Circuitshorted+
•On/offvalvecan’t
beactivated
•MILilluminated
•Yellowelectronic
malfunctionlamp
illuminated
•Regenerationnot
possible
•Highengine
brakingwithout
request
•Driveability
affected
•Faultybypassvalvesolenoid
•Faultyharness
•Faultyharnessconnector
FMI4
•Voltagebelow
normal,orshorted
tolowsource
•Shortcircuit-
•Valveconstantly
activated
•MILilluminated
•Yellowelectronic
malfunctionlamp
illuminated
•Majorengine
derate
•Exhaustmanifold
overheating
•Engineshutdown
•Faultybypassvalvesolenoid
•Faultyharness
•Faultyharnessconnector
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