Toro Greensmaster TriFlex 3400 - Fault 31: Engine Coolant Temperature Sender out of Range

Fault31:EngineCoolantTemperature
SenderOutOfRange
InfoCenterDisplay:
____FAULT#31____
SENSOR
FaultDescription
Theenginecoolanttemperaturesensorreadingisnotinrange.
CircuitDescription
TheTEC-5001controllermonitorsthetemperatureoftheenginethroughthereadingitreceivesfromthe
temperaturesender.
RecommendedServiceActions
Step1:Verifythatthefaultrepeats.
1.ClearthesystemfaultsfromtheInfoCenter.RefertoClearingFaultsfromtheInfoCenter(page19).
2.Operatethemachine.
Pass
Thefaultdidnotrepeat.GotoReturningtheMachinetoService(page21)andfollowthestepslisted.
Note:Ifthefaultdoesnotrepeat,anisolatedeventhasoccurred.
Fail
Thefaultrepeated.GotoStep2.
Step2:Inspectthewiringforthetemperaturesender.
Thetemperaturesenderislocatednearthealternator,onthethermostathousingthatisattachedtothecylinder
headoftheengine.
1.GotoPreparingforTroubleshootingand/orTesting(page20)andfollowthestepslisted.
2.Locatethetemperaturesenderontheengine(Figure61).
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