Toro Greensmaster TriFlex 3400 - Page 171

LocationHarness
Connector
Pin
Wire
Color
Expected
Reading
ConnectorGraphic
1MainP011
Gray/
Black
(GY/BK)
2MainP204
Orange
(OR)
lessthan
2ohms
CAUTION
OvertighteningtheharnessconnectorretainingfastenerwilldamagetheprimaryTEC
controller.
AfteryouplugconnectorP01backintotheTEC,torquetheretainingfastenerforP01to25–28
in-lbs.
Pass
Thewiringcontinuitytestspassed.GotoStep6.
Fail
Thewiringcontinuitytestsdidnotpass.Repairorreplacethefaultywiring.GotoReturningthe
MachinetoService(page21)andfollowthestepslisted.
Step6:VerifytheprimaryTECisgetting12Vfromtherelay.
1.RotatethekeyswitchtotheRUNposition.
2.VerifythattheInfoCenterlightsupanddisplayscurrentdata.
Pass
TheprimaryTECisreceiving12Vfromtherelay.GotoStep7.
Fail
TheprimaryTECisnotgetting12Vfromtherelay.T esttherelayaccordingtoChapter6ofthe
GreensmasterTriFlex3320/3420ServiceManualandreplaceifnecessary.
Step7:SwaptheprimaryTEC-5001controllerwithaknowngoodunit.
Note:TECcontrollersareprogrammedtospecicmachinemodelandserialnumbers.TECcontrollersdonot
functionuntilprogrammedbyT oroDIAG.
TherearethreeproceduresthatyouneedtoaccomplishaspartofreplacingaTEC.RefertoReplacingaToro
ElectronicController(TEC)(page23).
1.UseT oroDIAGtosavethemachinetimersandcountersleoutoftheoriginalTEC.(page23)
2.ReplacetheTEC.(page24)
3.UseToroDIAGtoprogramtheTEC,andthenrestoretheTD2le.(page25)
4.DuplicatetheoperationofthemachinewhenthefaultoccurredwiththeoriginalprimaryTEC.
Thefaultnolonger
repeats.
GotoReturningtheMachinetoService(page21)andfollowthestepslisted.
Thefaultstillrepeats.ReinstalltheoriginalprimaryTECcontroller.Repeatthediagnosticprocessfor
thisfault.
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