Toro Groundsmaster 4500-D Series User Manual

Chapter6
ElectricalSystem
TableofContents
GeneralInformation..............................................................................................................................6–2
Operator'sManual..............................................................................................................................6–2
ElectricalDrawings............................................................................................................................6–2
ToroElectronicControllers(TEC).......................................................................................................6–3
EngineElectronicControlUnit(ECU)................................................................................................6–5
YanmarEngineElectricalComponents..............................................................................................6–7
CAN−busCommunications................................................................................................................6–7
ElectricalDrawings............................................................................................................................6–7
InfoCenterDisplay.............................................................................................................................6–8
Adjustments.........................................................................................................................................6–19
TractionPedalAdjustment...............................................................................................................6–19
TractionPedalPositionSensorCalibration......................................................................................6–21
ElectricalSystemQuickChecks..........................................................................................................6–23
BatteryTest(OpenCircuit)...............................................................................................................6–23
ChargingSystemTest......................................................................................................................6–23
CheckOperationofInterlockSwitches.............................................................................................6–24
ComponentTesting..............................................................................................................................6–25
IgnitionSwitch..................................................................................................................................6–26
Fuses...............................................................................................................................................6–27
FusibleLinkHarness........................................................................................................................6–30
PTOSwitch......................................................................................................................................6–31
Auto/LowMode,EngineSpeedRequestandCuttingDeckLiftSwitches.........................................6–33
HeadlightSwitch..............................................................................................................................6–35
CruiseControlSwitch.......................................................................................................................6–36
SeatSwitch......................................................................................................................................6–38
ParkingBrakeSwitch.......................................................................................................................6–39
CuttingDeckPositionSwitches........................................................................................................6–41
RelayswithFour(4)T erminals.........................................................................................................6–43
RelayswithFive(5)T erminals.........................................................................................................6–45
TractionPedalPositionSensor........................................................................................................6–47
ToroElectronicControllers(TEC).....................................................................................................6–48
HydraulicSolenoidValveCoils.........................................................................................................6–52
Piston(Traction)PumpControlSolenoidCoils.................................................................................6–54
HydraulicOilT emperatureSender...................................................................................................6–56
FuelPump(Models30893,30893TE,30899and30899TE)............................................................6–58
FuelPump(Models30885and30887)............................................................................................6–60
CAN−busTerminationResistor........................................................................................................6–62
DiodeAssemblies............................................................................................................................6–63
ResistorAssembly...........................................................................................................................6–64
FanSpeedSwitch(MachineswithTwo−PostROPSExtensionOperatorFan
Kit)....................................................................................................................................................6–65
ResistorModule(MachineswithTwo−PostROPSExtensionOperatorFanKit)...............................6–67
ServiceandRepairs...........................................................................................................................6–69
BatteryCare.....................................................................................................................................6–69
BatteryStorage................................................................................................................................6–70
BatteryService.................................................................................................................................6–71
Groundsmaster
®
4500-D/4700-D
Page6–1
ElectricalSystem
19245SLRevA

Toro Groundsmaster 4500-D Series Specifications

General

Brand	Toro
Model	Groundsmaster 4500-D Series
Category	Lawn Mower
Language	English