Chapter6
ElectricalSystem
TableofContents
GeneralInformation..............................................................................................................................6–3
Operator’sManual.............................................................................................................................6–3
OperatorCabComponents................................................................................................................6–3
ToroElectronicControllers(TEC).......................................................................................................6–3
EngineElectronicControlUnit(ECU)................................................................................................6–5
YanmarEngineElectricalComponents..............................................................................................6–5
Battery−DisconnectSwitch................................................................................................................6–6
ElectricalSystemOperation..................................................................................................................6–7
12VoltSystem...................................................................................................................................6–7
24VoltSystem...................................................................................................................................6–7
CAN−busCommunications................................................................................................................6–8
ElectricalDrawings............................................................................................................................6–8
InfoCenterDisplay.................................................................................................................................6–9
OperatorInformationScreen............................................................................................................6–11
MAINMENU....................................................................................................................................6–13
SERVICE.........................................................................................................................................6–14
HOURS............................................................................................................................................6–15
TRACTIONPEDAL..........................................................................................................................6–16
FANOVERRIDE..............................................................................................................................6–18
FANDEMO......................................................................................................................................6–19
REGENERATION............................................................................................................................6–20
DIAGNOSTICSSCREENS..............................................................................................................6–22
ElectricalSystemQuickChecks.......................................................................................................6–42
Adjustments.........................................................................................................................................6–46
CuttingDeckPositionSwitchAdjustment.........................................................................................6–46
ComponentTesting..............................................................................................................................6–53
FusibleLinkHarness........................................................................................................................6–54
MegaFuses.....................................................................................................................................6–56
Fuses...............................................................................................................................................6–57
Battery−DisconnectSwitch..............................................................................................................6–61
ToroElectronicControllers(TECs)...................................................................................................6–63
KeySwitch.......................................................................................................................................6–68
PTOSwitch......................................................................................................................................6–70
CuttingDeckRaise/LowerSwitches................................................................................................6–72
ThrottleSwitch.................................................................................................................................6–74
High/LowRangeTractionSpeedSwitch..........................................................................................6–76
CruiseControlSwitch.......................................................................................................................6–78
HeadlightSwitch..............................................................................................................................6–80
TurnSignalSwitch...........................................................................................................................6–82
HazardSwitch..................................................................................................................................6–84
ParkingBrakeSwitch.......................................................................................................................6–86
HornButton......................................................................................................................................6–88
Contactors........................................................................................................................................6–89
SeatSwitch......................................................................................................................................6–91
WindshieldWiper/WasherSwitch(Groundsmaster5910)................................................................6–92
AirConditioningSwitch(Groundsmaster5910)...............................................................................6–94
FanSpeedSwitch(Groundsmaster5910).......................................................................................6–95
WorkLightandBeaconSwitches(Groundsmaster5910−Optional)...............................................6–97
Groundsmaster
®
5900&5910
Page6–1
ElectricalSystem
16227SLRevB