Toro Groundsmaster 360 - Steering Home Sensor

SteeringHomeSensor
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Figure224
1.Frontaxle
5.Steeringhomesensor
2.T argetbracket
6.Sensorbracket
3.Leftfrontsteeringfork7.Lockwasher(2each)
4.Wheelmotor
8.Jamnut(2each)
Thesteeringhomesensorisusedtodeterminewhenthewheelsaredirected
straightahead.ThesensoractsasaninputfortheT oroElectronicController
(TEC)todeterminewhensteeringcanbechangedfrom4-wheelsteeringto
2-wheelsteering.ThisinterlocksystemisdescribedintheSteeringSelector
Switch(page5–65).
Thesteeringhomesensorisanormallyopenproximitysensor.Thesensor
mountstoabracketthatissecuredtothebottomofthefrontaxleneartheleft
sidefrontsteeringfork(Figure224).Thesensingplateforthesteeringhome
sensorisatargetbracketattachedtotheleftsidefrontsteeringfork.
Whentheleftsidefrontsteeringforkisinthestraightaheadposition,aholein
thetargetbracketispositioneddirectlybelowthesteeringhomesensorallowing
thesensortobeinitsnormallyopenstate.Thesensorcloseswhentheleftside
frontsteeringforkisnotinthestraightaheadposition.
TestingtheSteeringHomeSensor
1.Parkthemachineonalevelsurface,lowerthecuttingdeck,andshutoff
theengine.
2.Beforeyoudisconnectthesteeringhomesensorfortesting,ensurethat
youtestthesensoranditscircuitwiringasaTECelectricalinputwiththe
InfoCenterdisplay;refertoUsingtheInfoCenterDisplayforTroubleshooting
(page5–30).
3.IftheInfoCenterveriesthatthesteeringhomesensorandcircuitwiringare
functioningcorrectly,thennomoresteeringhomesensortestingisnecessary.
4.IftheInfoCenterdeterminesthatthesteeringhomesensorandcircuitwiring
arenotfunctioningcorrectly,proceedwiththetest.
5.Locatethesteeringhomesensorandtargetbracketontheleftsidefront
steeringfork(Figure224).
Groundsmaster360
Page5–83
ElectricalSystem:TestingtheElectricalComponents
16225SLRevC