Toro 04042 - Page 36

Step4.1:Checkfor5Vdctothespeed-controlpositionsensor
potentiometer.
Performthefollowingstepswithamultimeter,orusetheInfoCenterDiagnosticdisplay;refertoInfoCenterDiagnostics
ScreenIcons(page16).
1.RotatethekeyswitchtotheOFFposition,andthendisconnectthemainwireharnessconnectorP05(Figure41),
atthespeed-controlpositionsensorpotentiometer.
2.RotatethekeyswitchtotheSTARTpositionandholditthereuntiltheInfoCenterLCDdisplaylightsup,then
releasethekeyswitchtotheRUNposition.
3.MeasurethevoltagebetweenthemainwireharnessconnectorP05,pinC,andthemainwireharnessP04
connector,pinB(Figure43).Thenormalvoltagerangeis4.91to5.09Vdc.
4.RotatethekeyswitchtotheOFFposition,andthenconnectthemainwireharnessP05connectoratthe
speed-controlpositionsensorpotentiometer.
1
2
3
4
5
6
7
8
g030800
Figure41
ComponentLocationsoftheSpeed-ControlPotentiometer,andtheT oroElectronicController(TEC-2401)
1.InfoCenter5.TEC-2401
2.Speed-controlpotentiometer
6.Fuseblock
3.EZ-Turn(Slow-in-Turn)switch
7.Maincontactor
4.Worklightswitch(optional)
8.BatterywireharnessP01connector
Figure42
MainHarnessP05ConnectorandSpeed-ControlPotentiometerPinIdentication
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