Toro Groundsmaster 360 - Page 293

ToroElectronicController(TEC)(continued)
TheGroundsmaster360machinesuseaToroElectronicController(TEC)to
monitortheconditionofvariousswitches(inputs)andthendirectelectrical
poweroutputtoallowcertainmachinefunctions.Thecontrollerisattached
insidethepowercenterassemblybehindtheoperatorseat(Figure201).Use
theInfoCenterdisplaywhencheckingtheinputsandoutputsoftheTECused
onyourmachine.
Thelogicpowerisprovidedtothecontrolleraslongasthebatterycablesare
connectedtothebattery.Circuitprotectionforthislogicpowertothecontrolleris
providedby2Afuse.
Theinputsfromthekey,neutral,parkingbrake,PTO,seat,decklift,steering
selector,enginespeed,steeringhomeswitches,andenginetemperaturesender
areallmonitoredbythecontroller.
Thecurrentoutputtothefollowingcomponentsarecontrolledbasedonthe
inputsreceivedbythecontroller.
•PTOcircuithydraulicvalvesolenoidcoil
•Liftcircuithydraulicvalvesolenoidcoils
•Steeringselectorswitchlight
•4-wheelsteeringhydraulicvalvesolenoidcoil
•FuelpumpandengineECU
TheInfoCenterdisplaysamachinefaultcodeanddescriptionwhenanissue
isdetected.
TheconnectionterminalfunctionsfortheTECareshowninFigure202.Note
thatelectricalpowerforthecontrolleroutputsisprovidedthrough3connectors
(PWR2,PWR3,andPWR4)eachprotectedwitha7.5Afuse.A50pinwire
harnessconnectorattachestothecontroller.Theconnectorpinsareidentied
inFigure202.
IMPORTANT
Whentestingforwireharnesscontinuityattheconnectorforthe
TEC,ensurethatyoudonotdamagetheconnectorpinswiththe
multimetertestleads.Iftheconnectorpinsareenlargedordamaged
duringtesting,connectorrepairwillbenecessaryforproper
machineoperation.
Groundsmaster360
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ElectricalSystem:TestingtheElectricalComponents
16225SLRevC