KeySwitch
g288503
Figure208
1.Operatorcontrolconsole
2.Keyswitch
Thekeyswitchontheconsolearmhasthree(3)positions−OFF,ONand
START .ThekeyswitchisaninputusedbythemasterT oroElectronicController
(TEC)tomanagevariousmachinefunctions.
Testing
ThekeyswitchanditscircuitwiringcanbetestedasaTECinputusingthe
InfoCenterDisplay(seeInfoCenterDisplay(page6–9)).Iftestingdetermines
thattheswitchandcircuitwiringarenotfunctioningcorrectly,proceedwiththe
followingtestprocedure:
1.Parkmachineonalevelsurface,lowercuttingdecksandstopengine.
Removekeyfromkeyswitch.
2.Turnbattery−disconnectswitchtotheOFFposition.
3.Disassembleconsolearmtogainaccesstokeyswitch(seeConsoleArm
(page7–35)).
4.Disconnectwireharnessconnectorfromthekeyswitch.
REAR VIEW
FRONT VIEW
START
STOP
RUN
3
2
4
5
6
1
g288504
Figure209
5.ThekeyswitchterminalsareidentiedinFigure209andthecircuitryofthe
switchisshowninbelowtable.Withtheuseofamultimeter(ohmssetting),
theswitchfunctionscanbetestedtodeterminewhethercontinuityexists
betweenthevariousterminalsforeachswitchposition.Verifycontinuity
betweenswitchterminals.
ElectricalSystem:ComponentTesting
Page6–68
Groundsmaster
®
5900&5910
16227SLRevB