Toro 04042 - Page 93

Step6:Useamultimetertocheckbatterypackvoltage,checkthebatterywire
harnessforcontinuity,andverifythattherearenoshortconditions.
Note:YouwillndadditionalwireharnessandconnectorinformationinAppendixA:WireHarnesses(page113)and
AppendixB:ToroElectronicControllerConnections(page135).
Note:Inspectthewireharnessesfordamageandwearwhilecheckingtheitemsinthefollowingsteps.RefertoInspectingthe
WireHarnessesandComponentConnectorAssemblies(page13).
Step6.1:Checkforbatterypackvoltage,batterywireharness,andmain
wireharnessforpossibledamagewithLi+batterydiagnosticwireharness
installed.
UsetheLi+batterydiagnosticwireharness,ToroP/N120-6339.
Step6.1.1:Checkthatthemachineoperates.
1.Installthediagnosticwireharness.RefertoInstallingtheLi+DiagnosticWireHarness(page8).
2.Usethekeyswitchtostartthemachine.
Note:Ifthemachinestarts,thefaultislikelyinthebatterywireharness.
Pass
Themachinestarted.Performcontinuityandshortconditionchecksinstep6.2.
Fail
Themachinedidnotstart.Gotostep6.1.2.
Step6.1.2:Checkthebatterypackvoltage.
1.AttachamultimetertotheLi+diagnosticwireharnessP04connector,POSandNEGpins.
Note:AfteryouconnecttheP06andP07connectorstogetherinstep2A,thevoltagewillonlybepresent
forapproximately2to3secondstoaccomplishstep2B.
2.Performthefollowing2steps(AandB)simultaneously.
A.Onthediagnosticwireharness,connecttheP06andP07connectorstogether.RefertoFigure2.
B.AsyouconnecttheP06andP07connectorstogether,readthevoltageonthemultimeter.The
readingshouldbe42to64Vdc.
Note:Ifthebatterypackvoltagemeasurescorrectly,thenthebatterywireharnessorthemainwire
harnessmaybethecauseofthefault.
3.Removethediagnosticwireharness.RefertoUninstallingtheLi+DiagnosticWireHarness(page10).
Pass
Thebatterypackvoltagetestedgood.Completerepairsasrequired.GotoReturning
theEquipmenttoService(page19)andfollowthestepslisted.
Fail
Thebatterypackvoltagetestfailed.Disconnectthebatterypack(referto
DisconnectingtheBatteryPack(page17)andgotostep6.2.
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