Toro Pro Force 44552 - Page 66

ToroElectronicController(TEC)(Models44552,44552TE,and
44553)
g233944
Figure18
1.Engine
4.Grayconnector
2.TEC(ToroElectronicController)
5.Controltower
3.Greenconnector
WirelesscontrolledProForceDebrisBlowers(Models44552,44552TE,and
44553)useaToroElectronicController(TEC)tomanagemachineelectrical
functions.TheTECisa2403seriesmicrocontrollerthatmonitorsthecondition
ofvariousmachineswitches(inputs)anddirectselectricalpowertocontrol
appropriatemachinefunctions(outputs)basedonthestateoftheinputs.The
TECworksinconjunctionwiththeT oroWirelessModules(TWMs)tomanage
powertotheenginestartrelayandthenozzlecontrolrelays.TheTECalso
managespowertothefollowingKohlerenginecomponents:governorcontrol
unit,thefuelshut-offsolenoid,andtheignitionmodules.
TheTECisattachedtothemachinecontroltower.PowerfortheTEClogicand
memoryisavailableatalltimes(unswitched).Thelogicandmemorycircuitis
protectedbya2Ampfuse(F−4).PowerfortheTECoutputsisavailablewhen
themainpowerrelayisenergized(keyswitchisintheONorSTARTposition).A
pairof7.5Ampfuses(F−1andF–2)protecttheTECoutputcircuits.
ElectricalSystem:TestingtheElectricalComponents
Page5–12
ProForce®DebrisBlower
18237SLRevA