User Manual

Group28
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
ECMSPN3216,AftertreatmentIntakeNOx–MID128PPID348
Typeof
fault:
FMIDescription:
FaultCondition:
Possible
Symptoms:
PossibleCause:
FMI2
•Dataerratic,
intermittentor
incorrect
•InletNOxsensor
error(plausibility)
•MILilluminated•EngineoutNOxhigh
•FaultyNOxsensor
FMI3
•Voltageabove
normal,orshorted
tohighsource
•ShortCircuit,NOx
signal
•MILilluminated•FaultywiringbetweenNOxsensorand
NOxsensorECU
•FaultyNOxsensor
FMI5
•Currentbelow
normaloropen
circuit
•OpenCircuit,NOx
signal
•MILilluminated•FaultywiringbetweenNOxsensorand
NOxsensorECU
•FaultyNOxsensor
FMI9
•Abnormalupdate
rate
•Missingsignal
fromNOxsensor
•MILilluminated
•Yellowelectronic
malfunctionlamp
illuminated
•LossofcommunicationfromNOx
sensorECUandEngineControl
Module(ECM)
FMI11
•Rootcausenot
known
•NOxsensor
measuresnear
zeroforlongtime
withhighload
•MILilluminated•FaultyNOxsensor
FMI12
•Badintelligent
deviceor
component
•NOx-sensorsignal
corrupt(incorrect
value)
•MILilluminated•FaultyNOxsensor
FMI13
•Outofcalibration•NOx-sensor
activation
(incorrectvalue)
•MILilluminated•FaultyNOxsensor
FMI14
•Specialinstructions•Missingsignal
fromsensordue
tobatteryvoltage
•MILilluminated•VoltagetoNOxsensoristoohighor
toolow
•Faultyharnesstosensor
ECMSPN3226,AftertreatmentOutletNOx–MID128PPID270/PSID90
MID233FaultcodesentbyMID128Enginecontrolunit
Typeof
fault
FMIDescription:
FaultCondition:
Possible
Symptoms:
PossibleCause
FMI2
•Dataerratic,
intermittentor
incorrect
•InletNOxsensor
error(plausibility)
•Mismatchbetween
sensors
•MILilluminated•EngineoutNOxhigh
•FaultyNOxsensor
•AftertreatmentDieselExhaustFluid
(DEF)quality
FMI3
•Voltageabove
normalorshorted
tohighsource
•ShortCircuit,NOx
signal
•MILilluminated•FaultywiringbetweenNOxsensorand
NOxsensorECU
•FaultyNOxsensor
FMI5
•Currentbelow
normaloropen
circuit
•OpenCircuit,NOx
signal
•MILilluminated•FaultywiringbetweenNOxsensorand
NOxsensorECU
•FaultyNOxsensor
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