Toro Greensmaster TriFlex 3400 - Black (BK)

7.Useamultimetertotesttheresistancebetweenthefollowingpairoflocations:
LocationHarness
Connector
Pin
Wire
Color
Expected
Reading
ConnectorGraphic
1
Seat
P0126
Black
(BK)
(Ground)
2
Seat
P0138
White(W)
Withina
fewohms
ofthe
reading
takenin
Step3.
CAUTION
OvertighteningtheharnessconnectorretainingfastenerwilldamagetheprimaryTEC
controller.
AfteryouplugconnectorP01backintotheTEC,torquetheretainingfastenerforP01
to25–28in-lbs.
PassTheresistancemeasurementwasgood.
•PlugconnectorP02intothetemperaturesender.
•GotoStep5.
FailTheresistancemeasurementwasnotgood.Repairorreplacewornordamagedpartsas
required.GotoReturningtheMachinetoService(page21)andfollowthestepslisted.
Step5:SwaptheprimaryTECwithaknowngoodunit.
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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