Toro Groundsmaster 7210 - Table of Contents

Chapter5
ElectricalSystem
TableofContents
GeneralInformation..............................................................................................................................5–3
StandardControlModule...................................................................................................................5–3
StandardControlModuleLogicChart................................................................................................5–5
YanmarEngineElectronicControlUnit(ECU)...................................................................................5–7
YanmarEngineElectricalComponents..............................................................................................5–7
CAN-busCommunications.................................................................................................................5–7
ElectricalSchematicsandDiagrams..................................................................................................5–8
SpecialT ools.........................................................................................................................................5–9
Multimeter..........................................................................................................................................5–9
BatteryTerminalProtector..................................................................................................................5–9
BatteryHydrometer..........................................................................................................................5–10
DielectricGel....................................................................................................................................5–10
InfoCenterDisplay...............................................................................................................................5–11
SplashScreen..................................................................................................................................5–11
MainInformationScreen..................................................................................................................5–12
MainMenuScreen...........................................................................................................................5–13
ServiceScreen.................................................................................................................................5–14
SettingsScreen................................................................................................................................5–14
AboutScreen...................................................................................................................................5–15
Troubleshooting...................................................................................................................................5–16
StartingProblems............................................................................................................................5–16
GeneralRunandTransportProblems..............................................................................................5–17
CuttingDeckOperatingProblems....................................................................................................5–18
CuttingDeckLift/LowerProblems....................................................................................................5–19
ElectricalSystemQuickChecks..........................................................................................................5–20
TestingtheBattery(OpenCircuitT est).............................................................................................5–20
TestingtheChargingSystem...........................................................................................................5–20
TestingtheGlowPlugSystem..........................................................................................................5–21
CheckingtheOperationoftheInterlockSwitches............................................................................5–21
TestingtheElectricalComponents.......................................................................................................5–23
KeySwitch.......................................................................................................................................5–23
PTOSwitch......................................................................................................................................5–25
NeutralSwitches..............................................................................................................................5–27
SeatSwitch......................................................................................................................................5–29
EngineOilPressureSwitch..............................................................................................................5–31
ParkingBrakeSensor......................................................................................................................5–33
PTOSolenoidValveCoil..................................................................................................................5–35
FusibleLinkHarness........................................................................................................................5–36
DiodeAssemblies............................................................................................................................5–37
ResistorAssembly...........................................................................................................................5–38
GlowRelay.......................................................................................................................................5–39
StartandEGRRelays......................................................................................................................5–41
FuelPump........................................................................................................................................5–43
DualTemperatureSwitch.................................................................................................................5–45
Fuses...............................................................................................................................................5–47
CAN-busTerminatorResistor..........................................................................................................5–49
DeckLift/LowerSwitch.....................................................................................................................5–50
LiftControlManifoldSolenoidValveCoil..........................................................................................5–52
Groundsmaster7210
Page5–1
ElectricalSystem
16222SLRevC