User Manual

Group28
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
FMI12
•Badintelligent
deviceor
component
•Checksumerror•Redengine
shutdownlamp
illuminated
•Enginewillnot
start
•EngineControlModule(ECM)
FMI14
•Specialinstructions•VINnotloadedyet•Redengine
shutdownlamp
illuminated
•Lossoflogdata
andsomeuser
congurabledata
•EngineControlModule(ECM)
software
ECMSPN631,CalibrationModule–MID128PSID77/PSID124
Typeof
fault:
FMIDescription:
FaultCondition:
Possible
Symptoms:
PossibleCause:
FMI3
•Voltageabove
normal,orshorted
tohighsource
•Checksumerror•Enginewillnot
start
•Softwareerror
FMI8
•Abnormalfrequency
orpulsewidthor
period
•ResetofECM
doesnotwork
•Enginewillnot
start
•Softwareerror
ECMSPN633,EngineFuelActuator1ControlCommand–MID128SID18
Typeof
fault:
FMIDescription:
FaultCondition:
Possible
Symptoms:
PossibleCause:
FMI3
•Voltageabove
normal,orshorted
tohighsource
•Circuitshorted+•Yellowelectronic
malfunctionlamp
illuminated
•Valveconstantly
shut
•Faultysolenoid
•Faultyharness
•FaultyECMdriver
FMI4
•Voltagebelow
normal,orshorted
tolowsource
•Circuitshorted–•Yellowelectronic
malfunctionlamp
illuminated
•Highfuel
consumptiondue
tofuelleakage
•Faultysolenoid
•Faultyharness
•FaultyECMdriver
FMI5
•Currentbelow
normaloropen
circuit
•Opencircuit•Yellowelectronic
malfunctionlamp
illuminated
•Valveconstantly
shut
•Faultysolenoid
•Faultyharness
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