Toro Groundsmaster 5900 Series User Manual

EngineElectronicControlUnit(ECU)
1
2
g287514
Figure13
1.Engine
2.EngineECU
TheYanmarenginethatpowersyourGroundsmasterusesanElectronicControl
Unit(ECU)forenginemanagementandalsotocommunicatewiththeT oro
ElectronicController(TEC)andtheoperatorInfoCenterdisplayonthemachine.
AllwireharnesselectricalconnectorsshouldbepluggedintotheECUbefore
themachinekeyswitchismovedfromtheOFFpositiontoeithertheONor
STARTposition.
Theengineelectricalcomponents(e.g.ECU,fuelinjectors,EGR,exhaustDPF)
areidentiedandmatchedintheengineECUprogram.Ifengineelectrical
componentsarereplacedontheengine,theYanmarelectronictoolmustbe
usedtoupdatetheECUprogramwhichwillensurecorrectengineoperation.
IftheengineECUidentiesthatanengineproblemexists,theenginespeed
maybereducedortheenginemightstop.TheYanmarelectronictooland
troubleshootingmanualshouldbeusedtoprovideassistanceinidentifyingthe
causeoftheproblemandtherepairsthatarenecessary.ContactyourT oro
distributorforassistanceinYanmarenginetroubleshooting.
IMPORTANT
DonotplugorunplugtheengineECUforaperiodofthirty(30)
secondsafterthemachinekeyswitchisturnedOFF.TheECUmay
remainenergizedeventhoughthekeyswitchisOFF.
Groundsmaster
®
5900&5910
Page4–3
YanmarDieselEngine:GeneralInformation
16227SLRevB

Toro Groundsmaster 5900 Series Specifications

General

Deck Lift	Hydraulic
Cutting Width	16 ft (4.9 m)
Drive System	4WD
Cutting Height	1 - 6 inches (2.5 - 15.2 cm)
Ground Speed	0-17 mph (0-27.4 km/h)
Transmission	Hydrostatic
Turning Radius	Zero-turn
Standard Tires	26 x 12-12