User Manual

Group28
EngineControlModule(ECM)DiagnosticTrouble
Codes(DTCs)
FMI3
•Voltageabove
normalorshortedto
highsource
•Shorttobatteryin
meteringline
•Yellowelectronic
malfunctionlamp
illuminated
•Faultyharness
FMI5
•Currentbelow
normaloropen
circuit
•Openinthe
meteringside
sensorcircuit
•Opencircuitinthe
groundlinesensor
circuit
•Yellowelectronic
malfunctionlamp
illuminated
•Faultysensor
•Faultyharness
ECMSPN4813,EngineOilThermostatBypassValveOpening–MID128
PSID72
Typeof
fault:
FMIDescription:
FaultCondition:
Possible
Symptoms:
PossibleCause:
FMI3
•Voltageabove
normal,orshorted
tohighsource
•Circuitshorted+•Yellowelectronic
malfunctionlamp
illuminated
•Oilthermostatis
alwaysopen
•Faultyactuator
•Faultyharness
FMI4
•Voltagebelow
normal,orshorted
tolowsource
•Circuitshorted–•Yellowelectronic
malfunctionlamp
illuminated
•Oilthermostatis
alwaysclosed
•Enginemay
overheat
•Faultyactuator
•Faultyharness
FMI5
•Currentbelow
normaloropen
circuit
•Opencircuit•Yellowelectronic
malfunctionlamp
illuminated
•Oilthermostatis
alwaysopen
•Mayhave
increasedfuel
consumption
•Faultyactuator
•Faultyharness
ECMSPN4815,EngineCoolingFanThermalSwitchPosition–MID128
PPID333
Typeof
fault:
FMIDescription:
FaultCondition:
Possible
Symptoms:
PossibleCause:
FMI3
•Voltageabove
normal,orshorted
tohighsource
•Circuitshortedto
battery
•Yellowelectronic
malfunctionlamp
illuminated
•Faultyharness
•Faultyharnessconnector
•Faultysensor
82