Toro Groundsmaster 4500-D Series - Page 331

ToroElectronicControllers(TEC)(continued)
g309762
Figure210
TEC1Controller
TheTEC1controllermonitorsthestatesofthefollowingcomponentsasinputs:
ignitionswitch,tractionpedalpositionsensor,parkingbrakeswitch,automatic
switch,seatswitch,swashplatesensor,cruisecontrolswitch,PTOswitch,center
cuttingdeckliftswitch,cuttingdeckpositionswitches(decks1and2),hydraulic
temperaturesenderandhydraulicpressuretransducer.
TheTEC1controllercontrolselectricaloutputtotheengineelectroniccontrolunit
(ECU)(startandrunfunctions),fandrivesolenoidcoils(directionandspeed),
traction(piston)pumpsolenoids(forwardandreverse),tractionsolenoidcoil
(Auto/LOWspeed),PTOsolenoidcoils(decks1through5),centercuttingdecks
raise/lower/oat(decks1through5)andcounterbalance.Circuitprotectionfor
frontTECoutputsisprovidedbyfour(4)7.5ampfuses(A−1,B−1,C–1andD−1).
OnGroundsmaster4700−Dmachines,theTEC2controllermonitorsthestates
ofthefollowingcomponentsasinputs:ignitionswitch,cuttingdeckliftswitches
(decks6and7)andcuttingdeckpositionswitches(decks6and7).
TheTEC2controllercontrolselectricaloutputtothePTOsolenoidcoils(decks6
and7),cuttingdecksraise/lower/oat(decks6and7).Circuitprotectionforrear
TECoutputsisprovidedbyfour(4)7.5ampfuses(A−2,B−2,C–2andD−2).
TheInfoCenterdisplayshouldbeusedtocheckinputsandoutputsoftheTEC
controllers.InformationonusingtheInfoCenterisincludedintheInfoCenter
Displaysectionofthischapter.
Groundsmaster
®
4500-D/4700-D
Page6–49
ElectricalSystem:ComponentTesting
19245SLRevA