Toro Groundmaster Series - Page 59

StartingProblems(continued)
Problem
PossibleCauseCorrectiveAction
Thefueltankisempty.Fillthefueltank.
Theengineand/orfuelcanbetoocold.
Movethemachinetoaheated
environmentandallowtheengineand
fueltowarm.
Thefuellterisplugged.Checkthefuellterandreplaceif
necessary.
Thefuelpumporcircuitwiringis
damaged.
Testthefuelpumpandreplaceif
necessary.
Thefuelsolenoidpullcoilrelayis
damaged(model31900,31901,31907
and31909).
Testtherelayandreplaceifnecessary.
Theenginefuelsolenoidisdamaged
(model31900,31901,31907and
31909).
Testthefuelsolenoidandreplaceif
necessary;refertotheYanmarService
ManualandTroubleshootingManual
fortheengine.
Theglowplugswitchisdamaged
(models31900,31901,31907and
31909).
Testtheglowplugswitchandreplaceif
necessary.
Theglowplugrelayisdamaged.
Testtherelayandreplaceifnecessary.
Theglowplugsaredamaged.
Testtheglowplugsandreplaceif
necessary;refertotheYanmarService
ManualandTroubleshootingManual
fortheengine.
Theengineorfuelsystemis
malfunctioning.
Testtheenginefuelsystem;refer
totheYanmarServiceManualand
TroubleshootingManualfortheengine.
EngineECUisdamaged(models
31902and31903).
ChecktheengineECUandwire
harnessconnectorforcorrosionor
damagedpins.
Theenginecranks,butdoesnotstart.
ReprogramorreplacetheEngineECU;
contactanAuthorizedT oroDistributor
forassistance.
Theswitchisoutofadjustmentor
damaged.
Adjusttheswitchpositionwhen
possible(neutralswitchonly).
Testtheswitchandreplaceifnecessary.
TheTDMdisplay/controllerisdamaged.ChecktheTDMdisplay/controller
Diagnostics>Engine>Inputs.
ChecktheTDMdisplay/controllerand
wireharnessconnectorforcorrosion
ordamagedpins.
Theenginecranks(butshouldnot)
whentheenginecontrolinputs(neutral
switch,parkingbrake,PTOswitchand
seatswitch)areoutofposition.
ReprogramorreplacetheTDM
display/controller;contactan
AuthorizedT oroDistributorfor
assistance.
Theenginestarts,butstopswhenthe
keyswitchisreleasedfromtheSTART
position.
Thekeyswitchorcircuitwiringis
damaged.
Testthekeyswitchandreplaceif
necessary.
Groundsmaster
®
3200,3300and3310
Page3–23
Troubleshooting:StartingProblems
19240SLRevA