User Manual

Group28
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
FMI4
•Voltagebelow
normal,orshorted
tolowsource
•Shorttogroundon
themeteringside
ofthecircuit
•MILilluminated
•Regenerationis
notpossible
•Sensorfailure
•Faultyharness
•Faultyharnessconnector
•Aftertreatmentcontrolmodule(ACM)
FMI5
•Currentbelow
normaloropen
circuit
•Shorttobatteryon
themeteringside
ofthecircuit
•Openinthe
meteringsideof
thecircuit
•Openinthe
groundsideof
thecircuit
•MILilluminated•Faultyharness
•Sensorfailure
•Faultyharnessconnector
FMI15
•Datavalidbutabove
normaloperating
range-Leastsevere
level
•Sensoroutof
range
•Sensorindicatesa
invalidvalue
•MILilluminated•Sensorfailure
•Faultyharness
FMI16
•Datavalidbutabove
normaloperating
range-Moderately
severelevel
•ExhaustGas
Temperatureis
moderatelytoo
high
•Enginederate
•Poordriveability
•Faultyharness
•Faultyharnessconnector
•Intakeairleak
ECMSPN175,EngineOilT emperature1–MID128PID175
Typeof
fault:
FMIDescription:
FaultCondition:
Possible
Symptoms:
PossibleCause:
FMI0
•Datavalidbutabove
normaloperational
range-Mostsevere
level
•Extremedriving
conditions
•Engineoil
temperature
criticallyabove
range
•Redengine
shutdownlamp
illuminated
•Enginederate
•Extremedrivingconditions
•Enginecoolingfan
•Oilthermostat
•Coolantsystem
•Cloggedoilcooler
FMI2
•Dataerratic,
intermittentor
incorrect
•Engineoil
temperature
sensorindicating
toohighortoolow
avalue(abnormal
value)
•MILilluminated
(13Lengineonly)
•Insomecases
mayhave
aneffecton
driveability
•EngineOilT emperature(EOT)sensor
failure
•Faultyharness
FMI4
•Voltagebelow
normal,orshorted
tolowsource
•Shortcircuit-,
measuringline
•MILilluminated
(13Lengineonly)
•Yellowelectronic
malfunctionlamp
illuminated
•EngineOilT emperature(EOT)sensor
failure
•Faultyharness
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