Toro Groundsmaster 4500-D Series - Seat Switch

SeatSwitch
2
1
g309585
Figure198
1.Wireharnessconnector
2.Seatswitchconnector
Theseatswitchisnormallyopenandcloseswhentheoperatorisontheseat.
Theseatswitchanditselectricalconnectorarelocatedintheseatassembly.If
thetractionsystemorPTOswitchisengagedwhentheoperatorraisesoutof
theseat,anoperatoradvisorywillbedisplayedontheInfoCenter.Testingofthe
switchcanbedonewithoutseatremovalbydisconnectingtheswitchwirefrom
themachinewireharness(Figure196).
Testing
Note:Beforedisconnectingtheseatswitchfortesting,theswitchanditscircuit
wiringshouldbetestedasaTECelectricalinputusingtheInfoCenterDisplay
(seeInfoCenterDisplay(page6–8)).Ifinputtestingveriesthattheseatswitch
andcircuitwiringarefunctioningcorrectly,nofurtherseatswitchtestingis
necessary.If,however,inputtestingdeterminesthattheseatswitchandcircuit
wiringarenotfunctioningcorrectly,proceedwiththefollowingseatswitchtesting
procedure.
1.Parkmachineonalevelsurface,lowercuttingdecks,engageparkingbrake
andstopengine.Removekeyfromignitionswitch.
2.Disconnectseatswitchconnectorfromthemachinewireharnessconnector.
3.Checkthecontinuityoftheswitchbyconnectingamultimeter(ohmssetting)
acrosstheseatswitchconnectorterminals.
4.Withnopressureontheseat,thereshouldbenocontinuitybetweenthe
seatswitchterminals.
5.Pressdirectlyontotheseatswitchthroughtheseatcushion.Thereshould
becontinuityastheseatcushionapproachesthebottomofitstravel.
6.Iftestingdeterminesthatseatswitchisfaulty,replaceseatswitch(see
OperatorSeatService(page8–22)).
7.Connectseatswitchconnectortowireharnessconnectoraftertestingis
complete.
ElectricalSystem:ComponentTesting
Page6–38
Groundsmaster
®
4500-D/4700-D
19245SLRevA