User Manual

Group28
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
ECMSPN252,Date–MID128PID252
Typeof
fault:
FMIDescription:
FaultCondition:
Possible
Symptoms:
PossibleCause:
FMI9
•Abnormalupdate
rate
•Timestamp
fromclusterisn’t
available.
•Datedata
messagemissing
onSAEJ1587
datalink.(Cluster
error).
•N/A•InstrumentCluster
ECMSPN411,EngineExhaustGasRecirculationDifferentialPressure–
MID128PID411
Typeof
fault:
FMIDescription:
FaultCondition:
Possible
Symptoms:
PossibleCause:
FMI0
•Datavalidbutabove
normaloperational
range-Mostsevere
level
•ExhaustGas
Recirculation
(EGR)differential
pressuresensor
outputreadingtoo
high.(abnormal
value)
•MILilluminated
•Enginederate
•Faultyharness
•Faultyharnessconnector
•Faultysensor
•EGRleakage
•CloggedEGRcooler
FMI1
•Datavalidbutbelow
normaloperational
range-Mostsevere
level
•ExhaustGas
Recirculation
(EGR)differential
pressuresensor
outputreadingtoo
low.(abnormal
value)
•MILilluminated•Faultyharness
•Faultyharnessconnector
•Faultysensor
•Cloggedventuri
FMI2
•Dataerratic,
intermittentor
incorrect
•Onlyusedto
controlEGRvalve.
•N/A•N/A
FMI3
•Voltageabove
normalorshortedto
highsource
•Shorttobatteryin
meteringline
•Openinthe
groundcircuit
•MILilluminated
•Enginederate
•FaultyEGRdifferentialpressure
sensorconnector
•FaultyEGRdifferentialpressure
sensorharness
•FaultyEGRdifferentialpressure
sensor
29