Toro 04042 - Page 79

2.Checktheresistanceofthemaincontactorcoil(Figure71).
A.DisconnectthewirefromthemaincontactorJ04terminal.
B.CheckresistanceacrossthecoilterminalsJ03,andJ04.Normalresistanceis180to195ohms.
C.ConnectthewiretothemaincontactorJ04terminal.
Pass
Thecoilresistanceandcoilcircuitcontinuitytestedgood.GotoReturningtheEquipmentto
Service(page19)andfollowthestepslisted.
Fail
Thecoilresistanceand/orcoilcircuitcontinuitytestsfailed.Repairandorreplacemalfunctioning
parts.GotoReturningtheEquipmenttoService(page19)andfollowthestepslisted.
Step6:ReplacetheTEC-2401(conditional)
Ifsteps4and5passed,andFault9repeatedimmediatelyafterreturningtheequipmenttoservice,thenreplacetheTEC-2401.
GotoReturningtheEquipmenttoService(page19)andfollowthestepslisted.
Step7:Useamultimetertocheckfor42to64Vdcatthemotorcontroller.
Note:YouwillndadditionalwireharnessandconnectorinformationinAppendixA:WireHarnesses(page113)and
AppendixB:ToroElectronicControllerConnections(page135).
1.RotatethekeyswitchtotheOFFposition,andthendisconnectthemainwireharnessP41connector(Figure75)at
themotorcontroller.
Figure75
MainHarnessP41(4-pin)ConnectorPinIdentication
MainHarnessP41Connector
PinIdentication
Description
WireColorMain
1LogicPower
Tan(T)
2NotusedNotused
3
CAN+(High)Red/White(R/W)
4
CAN–(Low)Black/White(BK/W)
2.RotatethekeyswitchtotheSTARTpositionandholdituntiltheInfoCenterLCDdisplaylightsup,thenreleasethe
keyswitchtotheRUNposition.
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