Toro Reelmaster 5510-D - CAN-Bus Terminator Resistor

CAN-busTerminatorResistor
g223018
Figure279
1.CAN-busterminatorresistor
2.Keyway
Thesystemcommunicationbetweentheelectricalcomponentsonthe
ReelmastermachineisaccomplishedonaCAN-buscommunicationsystem.
The2speciallydesigned,twistedcablesformthebusforthenetworkareused
onthemachine.Thesewiresprovidethedatapathwaysbetweenthemachine
components.
The120ohmCAN-busterminatorresistorplugsintothemainwireharnessinthe
controlarm.Theresistorcanbeaccessedbyremovingtheleftcontrolarmcover.
OnmachineswithaKubotadieselengine,thesecondCAN-busterminator
resistorplugsintotheenginewireharnessneartheenginestartermotor.The
enginewireharnessconnectorhasablueinserttoidentifytheproperlocationfor
theterminatorresistor.
OnmachineswithaYanmardieselengineorKubotagasolineengine,the
secondCAN-busterminatorresistorisincludedintheengineECU.Thisresistor
cannotbeaccessedfortesting.
Note:Theinsulatorwedgeintheterminatorresistorisblueforidentication
purposes.Thereisalsoacenterkeywaytopreventtheterminatorresistorfrom
pluggingintothewrongwireharnessconnector.
Note:RefertotheElectricalSchematicandWireHarnessDrawings/Diagrams
foradditionalinformationonthelocationoftheterminatorresistorandwire
connections.
IMPORTANT
Theterminatorresistorisrequiredforproperelectricalsystem
operation.
TestingtheCAN-busTerminatorResistor
1.TheCAN-busterminatorresistor(Figure279)canbetestedusingadigital
multimeter(ohmssetting).LocatetheCAN-busterminatorresistorand
removethecabletiethatsecurestheresistortothewireharness.Unplugthe
resistorfromthewireharnessfortesting.
2.Useadigitalmultimeter(ohmssetting)tomeasuretheresistancevaluefor
theCAN-busterminatorresistor.Thereshouldbe120ohmsresistance
betweentheterminalsAandB.TheterminalCisnotused.
3.IfthetestingdeterminesthattheCAN-busterminatorresistorisdamaged,
replacetheCAN-busterminatorresistor.
ElectricalSystem:TestingtheElectricalComponents
Page7–114
Reelmaster
®
5410/5510/5610Series
15216SLRevC