Toro Groundmaster Series - Chapter 6: Electrical System

Chapter6
ElectricalSystem
TableofContents
GeneralInformation..............................................................................................................................6–2
TractionUnitOperator’sManualandAccessoryInstallationInstructions............................................6–2
YanmarEngineElectricalComponents..............................................................................................6–2
TDMDisplay/Controller......................................................................................................................6–3
CANbusCommunications.................................................................................................................6–5
ElectricalSchematicsandWireHarnessDrawings/Diagrams...............................................................6–6
ElectricalSystemQuickChecks............................................................................................................6–7
TestingtheChargingSystem.............................................................................................................6–7
CheckingtheOperationoftheInterlockSwitches..............................................................................6–8
TestingtheElectricalComponents........................................................................................................6–9
FusibleLinkHarness........................................................................................................................6–10
Fuses...............................................................................................................................................6–12
CANbus...........................................................................................................................................6–17
TDMDisplay/Controller....................................................................................................................6–19
KeySwitch.......................................................................................................................................6–22
PTOSwitch......................................................................................................................................6–23
Lift/LowerSwitch..............................................................................................................................6–24
GlowPlugSwitch(Model31900,31901,31907and31909)............................................................6–25
ThrottleSwitch(Model31902and31903)........................................................................................6–26
SeatSwitch......................................................................................................................................6–27
TractionNeutralSwitch....................................................................................................................6–29
ParkingBrakeSwitch.......................................................................................................................6–32
CuttingUnitHighTrimHeightSwitch...............................................................................................6–34
WindshieldWasher/WiperSwitch(Model31903and31909)...........................................................6–37
AirConditioningOn/OffSwitch(Model31903and31909)................................................................6–38
FanSpeedSwitch(Model31903and31909)...................................................................................6–39
MultifunctionSwitch(Optional).........................................................................................................6–40
HazardSwitch(Optional).................................................................................................................6–41
Relayswith4Terminals...................................................................................................................6–42
Relayswith5Terminals...................................................................................................................6–45
PTOClutch......................................................................................................................................6–48
FuelPump........................................................................................................................................6–50
TransientVoltageSuppression(TVS)Diode....................................................................................6–52
DiodeAssemblies(Model31902and31903)...................................................................................6–53
ResistorAssemblies........................................................................................................................6–55
CANbusTerminatorResistors.........................................................................................................6–56
HydraulicSolenoidValveCoils.........................................................................................................6–59
ServiceandRepairs...........................................................................................................................6–61
CaringfortheBattery.......................................................................................................................6–61
StoringtheBattery...........................................................................................................................6–62
ServicingtheBattery........................................................................................................................6–63
Groundsmaster
®
3200,3300and3310
Page6–1
ElectricalSystem
19240SLRevA