Toro Groundsmaster 5910 Series - Page 48

Problem
PossibleCause
Thekeyswitchorcircuitwiringisfaulty.
Tractionpedalpositionsensororcircuitwiring
isfaulty.
Nothinghappenswhenstartattemptismade
(enginedoesnotcrank).InfoCenterdisplay
operateswiththekeyswitchintheRUN
position.
Theseatswitchorcircuitwiringisfaulty(when
tryingtostartengineinseat).
Theparkingbrakeswitchorcircuitwiringis
faulty(whentryingtostartengineoutofseat).
Thestartrelayorcircuitwiringisfaulty.
Thefusiblelinkisloose,corrodedorfaulty.
Thestartersolenoidorstartermotorisfaulty.
TECpowerrelay2orcircuitwiringisfaulty.
Mastercontrollerfuses(F−D1orF−B1)are
faulty.
YanmarEngineECUpowerfuse(25Amp)is
faulty.
TheengineECUismalfunctioning(seeYanmar
ServiceManualandYanmarTroubleshooting
Manual).
Themastercontrollerisfaulty.
Enginecranks,butdoesnotstart.
Engineand/orfuelmaybetoocold.
Theglowrelayorcircuitwiringisfaulty.
Fueltankisempty.
Electricfuelpumpisfaulty.
Hydraulicloadisslowingenginecranking
speed.
Theengine,engineECUorfuelsystemis
malfunctioning(seeYanmarServiceManual).
Tractionpedalpositionsensorisoutof
adjustment.
Enginecranks,butshouldnot,whenthe
tractionpedalisdepressed.
Tractionpedalpositionsensororcircuitwiring
isfaulty.
Troubleshooting:Page3–10
Groundsmaster
®
5900&5910
16227SLRevB