Toro Groundsmaster 4300-D - Starting Problems

StartingProblems
Problem
PossibleCauses
Alltheelectricalpowerisdead,includingthe
InfoCenterdisplay.
•Thebatteryisdischargedordamaged.
•Thebatterycablesarelooseorcorroded.
•ThefuseF1-1(15A)orF1-2(10A)is
damaged.
•Thegroundconnectionislooseorcorroded.
•Thekeyswitchorcircuitwiringisdamaged.
•Thefusiblelinkharnessattheenginestarter
motorisdamaged.
Thestartersolenoidclicks,butthestarterdoes
notcrank.
Note:Ifthestartersolenoidclicks,theproblem
isnotintheinterlockcircuit.
•Thebatterychargeislow.
•Thebatteryisdischargedordamaged.
•Thebatterycablesarelooseorcorroded.
•Thegroundconnectionislooseorcorroded.
•Thewiringatthestartermotorisdamaged.
•Thestartersolenoidorstartermotoris
damaged.
Theenginecranks,butdoesnotstart.
•Thefueltankisempty.
•Thefuellterisplugged.
•Thewiringintheenginecrankcircuitisloose,
corroded,ordamaged;refertotheElectrical
SchematicinAppendixA—FoldoutDrawings.
•Theengineand/orfuelcanbetoocold.
•Theenginefuelpumporcircuitwiringis
damaged.
•Theengineglowplugcircuitdoesnotoperate
properly.
•Theengineorfuelsystemismalfunctioning;
refertoChapter3:DieselEngine(page3–1).
•Thehydraulicloadisslowingenginecranking
speed(disconnectthehydraulicpump
driveshaftfromtheenginetotest).
Theglowplugcircuitdoesnotoperateproperly.•Thewiringintheengineglowcircuitisloose,
corroded,ordamaged;refertotheElectrical
SchematicinAppendixA—FoldoutDrawings.
•Theengineglowplugsaredamaged.
•Theglowrelayisdamaged.
•Thefusiblelinkharnessattheenginestarter
motorisdamaged.
•TheTECfusesaredamaged.
•TheTECisdamaged.
Theenginecranks,butshouldnot,whenthe
tractionpedalispressed.
•Thetractionneutralswitchisoutof
adjustment.
•Thetractionneutralswitchorcircuitwiring
isdamaged.
ElectricalSystem:Troubleshooting
Page5–34
Groundsmaster
®
4300-D
16226SLRevC