Toro Groundsmaster 4500-D Series - General Run and Transport Problems

GeneralRunandTransportProblems
Note:CheckInfoCenterDisplayforpossibleoperatoradvisoriesorfaults
wheneverdiagnosingmachineelectricalproblems.
Problem
PossibleCause
Theignitionswitchorcircuitwiringisfaulty.
Enginecontinuestorun,butshouldnot,when
theignitionswitchisturnedoff.
Theengineorfuelsystemismalfunctioning
(seeYanmarServiceManual).
Theseatswitchorcircuitwiringisfaulty.
Tractionpedalpositionsensorisoutof
adjustment.
Machinecontinuestomovewithoutan
InfoCenterAdvisory,butshouldnot,whenthe
tractionpedalisdepressedwithnooperator
intheseat.
Tractionpedalpositionsensororcircuitwiring
isfaulty.
Enginestopsduringoperation,butisableto
restart.
Theoperatorisliftingofftheseatswitchwhile
mowing.
Theseatswitchorcircuitwiringisfaulty.
Theignitionswitchorcircuitwiringisfaulty.
Theenginecoolanttemperatureisexcessive.
Machineisbeingoperatedonaslopewitha
lowfuellevel.
Note:Excessiveenginecoolanttemperature
willcausethecuttingdeckstobedisengaged
andcanleadtoengineshutdown.Ifexcessive
coolanttemperaturecausesengineshutdown,
theoperatorcanrestarttheenginetoallowthe
machinetobemovedashortdistance.After
arestartinthiscondition,theenginewillrun
forapproximatelyten(10)secondsbeforethe
engineshutsdownagain.
Theengineorfuelsystemismalfunctioning
(seeYanmarServiceManual).
Batterydoesnotcharge.
Loose,corrodedorbrokenwire(s)existin
chargingcircuit.
Theenginealternatorbeltisoutofadjustment.
Thebatteryisfaulty.
Note:Chargingsystemfaultswillbeactively
displayedifthechargingsystemvoltageisnot
detectedbytheYanmarECU.
Thealternatorisfaulty.
Troubleshooting:Page3–28
Groundsmaster
®
4500-D/4700-D
19245SLRevA