Toro Groundsmaster 4300-D - Page 259

StartingProblems(continued)
Problem
PossibleCauses
Theenginestarts,butstopswhenthekey
switchisreleasedfromtheSTARTposition.
•Thecircuitwiringisdamaged.
•Thekeyswitchisdamaged.
Nothinghappenswhenyouattempttostartthe
engine.TheInfoCenterdisplayoperateswith
thekeyswitchintheRUNposition.
Note:Anoperatoradvisoryisdisplayedonthe
InfoCenteriftheinterlockswitchesforengine
startarenotfunctioning.UsetheInfoCenter
displaytoassistwithidentifyingtheproblem.
•ThetractionpedalisnotintheNEUTRAL
position.
•Theoperatorseatisunoccupiedorthe
parkingbrakeisnotapplied.
•Thecuttingdecksareengaged(thePTO
switchisintheONpositionoritisdamaged).
•Thebatteryisdischargedordamaged.
•Thebatterycablesarelooseorcorroded.
•Thegroundconnectionislooseorcorroded.
•Thetractionneutralswitchisoutof
adjustment.
•Thetractionneutralswitchorcircuitwiring
isdamaged.
•Theseatswitchorcircuitwiringisdamaged.
•Theparkingbrakeswitchorcircuitwiringis
damaged.
•Thejoystickswitchorcircuitwiringis
damaged.
•Thekeyswitchorcircuitwiringisdamaged.
•Thestartrelayorcircuitwiringisdamaged.
•Themainpowerrelayorcircuitwiring
isdamaged(headlightsandpowerpoint
inoperativeaswell).
•TheTECfusesaredamaged.
•Thefusiblelinkharnessattheenginestarter
motorisdamaged.
•Thewiringtostartcircuitcomponentsis
loose,corroded,ordamaged;refertothe
ElectricalSchematicinAppendixA—Foldout
Drawings.
•Thestartersolenoidisdamaged.
•Thehightemperatureshutdownswitchor
circuitwiringisdamaged.
•TheTECisdamaged.
•Thestartermotorisdamaged.
•TheengineECUorcircuitwiringisdamaged.
Groundsmaster
®
4300-D
Page5–35
ElectricalSystem:Troubleshooting
16226SLRevC