Toro reelmaster 5410 series - Page 418

ToroElectronicController(TEC)(continued)
Thelogicpowerisprovidedtothecontrolleraslongasthebatterycablesare
connectedtothebattery.Circuitprotectionforthislogicpowertothecontrolleris
providedby2Afuse.
Theinputsfromthekey,neutral,parkingbrake,reelengage,seat,mow/transport,
joysticklower/raise,cuttingreelsdownlimit,enginespeed(ifequipped),
temperaturesender,andengineoilpressureswitchesareallmonitoredbythe
controller.
Thecurrentoutputtothefollowingcomponentsarecontrolledbasedonthe
inputsreceivedbythecontroller.
•Mowcircuithydraulicvalvesolenoidcoils
•Liftcircuithydraulicvalvesolenoidcoils
•FuelpumpandengineECU
TheInfoCenterdisplaysamachinefaultcodeanddescriptionwhenanissue
isdetected.
g230302
Figure236
1.Notetabposition
TheconnectionterminalfunctionsfortheTECareshowninFigure235.Note
thatelectricalpowerforthecontrolleroutputsisprovidedthrough3connectors
(PWR2,PWR3,andPWR4)eachprotectedwitha7.5Afuse.A50pinwire
harnessconnectorattachestothecontroller.Theconnectorpinsareidentiedin
Figure235.ThelayoutofthewireharnessconnectorthatplugsintotheTECis
showninFigure236.
IMPORTANT
Whentestingforwireharnesscontinuityattheconnectorforthe
TEC,ensurethatyoudonotdamagetheconnectorpinswiththe
multimetertestleads.Iftheconnectorpinsareenlargedordamaged
duringtesting,connectorrepairwillbenecessaryforproper
machineoperation.
ThemachineElectricalSchematicandWireHarnessDrawings/Diagramsin
AppendixA(pageA–1)canbeusedtoidentifypossiblecircuitproblemsbetween
thecontrollerandtheinput/outputdevices(e.g.,switchesandsolenoidcoils).
Becauseofthesolidstatecircuitrybuiltintothecontroller,thereisnomethodto
testitdirectly.Thecontrollermaybedamagedifanattemptismadetotestit
withanelectricaltestdevice(e.g.,digitalmultimeter).
ElectricalSystem:TestingtheElectricalComponents
Page7–62
Reelmaster
®
5410/5510/5610Series
15216SLRevC