Toro Greensmaster eTriFlex 3370 - Page 165

TestingtheSteeringInputDevice(continued)
7.StWheelFeelistheamountofcurrentbeingsentbytheT1:Primary
controllertothesteeringinputdevicebrakecoil,andnotnecessarilywhatis
beingreceivedbythecoil.Thesteeringinputdevicebrakecoilamperage
characteristicsare:
•StWheelFeelshouldbeapproximately220mAwhenthesteeringwheel
isatrestorturnedslowlyineitherdirection.
•StWheelFeelshouldbeapproximately600mAwhenthesteeringwheel
reachestheendofitsturningrangeineitherdirection.
•StWheelFeelshouldvarybetween220and480mAwhenthesteering
wheelisturnedquicklyineitherdirection.
8.Removethecoverfromthesteeringmount.
9.Disconnectthesteeringinputdevicefromthemachinewireharness.Check
bothconnectorsforcorrosionordamageandcleanorrepairasnecessary.
10.Useamultimeter(ohmssetting)tomeasuretheresistanceofthebrakecoil
acrossthesteeringinputdeviceconnectorpins5and6.Resistanceshould
beapproximately10ohmsat20°C(68°F).
11.IftheInfoCenterdiagnosticsinputsandoutputsreportnormally,thebrakecoil
resistancemeasurescorrectly,andthesteeringinputdevisedoesnotfunction
properly,replacethedevice;refertoSteeringArmAssembly(page6–35).
12.Ifthesteeringinputdevicetestscorrectlyandacircuitproblemstillexists,
checkthemachinewireharness;refertoAppendixA(pageA–1).
13.Aftertesting,connectthemachinewireharness,installthecoverand
calibratethesteeringsystem–center:refertoCalibratingtheSteering
System–Center(page5–91).
Greensmaster®eTriFlex3360and3370
Page5–61
ElectricalSystem:TestingtheElectricalComponents
19239SLRevB