User Manual

Group28
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
ECMSPN5392,AftertreatmentDieselExhaustFluid(DEF)DosingValve
LossofPrime–MID128PSID121
Typeof
fault:
FMIDescription:
FaultCondition:
Possible
Symptoms:
PossibleCause:
FMI7
•Mechanicalsystem
notresponding
properly
•Aftertreatment
DieselExhaust
Fluid(DEF)
pressurebuild
upfailure
•MILilluminated
•Yellowelectronic
malfunctionlamp
illuminated
•NoAftertreatment
DieselExhaust
Fluid(DEF)
dosing
•EmptyDEFtank
•DEFlterclogged
•DEFinletpipeleakorblockage
•DEFpumpassembly
FMI31
•Conditionexists•Aftertreatment
DieselExhaust
Fluid(DEF)
pressurebuild
upfailure
•MILilluminated
•Yellowelectronic
malfunctionlamp
illuminated
•NoAftertreatment
DieselExhaust
Fluid(DEF)
dosing
•EmptyDEFtank
•DEFlterclogged
•DEFinletpipeleakorblockage
•DEFpumpassembly
ECMSPN5394,AftertreatmentDieselExhaustFluid(DEF)DosingValve
–MID128PSID89
Typeof
fault:
FMIDescription:
FaultCondition:
Possible
Symptoms:
PossibleCause:
FMI0
•Datavalidbutabove
normaloperational
range-Mostsevere
level
•Lowsidecircuit
shortedto+
•MILilluminated•AftertreatmentDEFdosingpump
assembly
FMI1
•Datavalidbutbelow
normaloperational
range-Mostsevere
level
•Shorttoground
•Lowsidecircuit
open
•MILilluminated•AftertreatmentDEFdosingpump
assembly
FMI3
•Voltageabove
normal,orshorted
tohighsource
•Circuitshorted+•MILilluminated•AftertreatmentDEFdosingpump
assembly
FMI4
•Voltagebelow
normal,orshorted
tolowsource
•Circuitshorted–•MILilluminated•AftertreatmentDEFdosingpump
assembly
FMI5
•Currentbelow
normaloropen
circuit
•Opencircuit•MILilluminated
•Yellowelectronic
malfunctionlamp
illuminated
•AftertreatmentDEFdosing
•AftertreatmentDEFdosingpump
assembly
FMI14
•Specialinstructions•Aftertreatment
DEFdosing
cloggedorhose
clogged
•MILilluminated
•Yellowelectronic
malfunctionlamp
illuminated
•AftertreatmentDEFdoserclogged
•Hoseclogged
85