Page 1

FormNo.3379-504RevB
DiagnosticCableKit
DDSeriesDirectionalDrillorRTSeriesTractionUnit
ModelNo.127-8401
InstallationInstructions
WARNING
CALIFORNIA
Proposition65Warning
ThisproductcontainsachemicalorchemicalsknowntotheStateofCaliforniato
causecancer,birthdefects,orreproductiveharm.
Installation
Note:UsethiskitasadataconnectionbetweentheECU(electroniccontrolunit)onyourmachineandthecomputerthat
youwillusetoanalyzethecomponentfunctionsofthemachine.Inadditiontothiskit,youwillneed2softwareapplications 
installedonyourcomputer:ThePlus+1GuideServiceT oolcreatedbySauerDanfossandthesystemdiagnosticsoftware 
createdbyTheToro®Company .
PreparingyourComputer
DownloadingthePlus+1GuideService 
ToolSoftware
1.Onyourcomputer,navigatetotheToroCompany 
PortalforPlus+1GUIDEServiceToolSoftware& 
Licensetodownload.
2.NavigatetoGatewayPartsandServiceCenter.
3.ClicktheServiceLibrarytab.
4.ScrolltotheUndergroundEquipmenttab.
5.ClicktheDiagnosticSoftwarelink.
6.ClickthePlus+1GUIDEServiceToolSoftware& 
Licenselinktodownloadit.
7.Whenthedownloadiscomplete,thePlus+1iconwill 
appearonyourdesktop.
8.Onyourcomputer,navigatetotheToroCompany 
PortalforthecorrectDiagnosticle.
9.NavigatetoGatewayPartsandServiceCenter.
10.ClicktheServiceLibrarytab.
11.ScrolltotheUndergroundEquipmenttab.
12.ClicktheDiagnosticSoftwarelink.
13.Clicktheproducttype.
14.Clickthemodelnumbertoobtainthecorrect 
diagnosticle.
15.Savethediagnosticletoyourdesktop.
©2014—TheToro®Company 
8111LyndaleAvenueSouth 
Bloomington,MN55420
Registeratwww.T oro.com.
OriginalInstructions(EN)
PrintedintheUSA
AllRightsReserved
*3379-504*B
Page 2

InstallingtheToroSystemDiagnostic
Software
Thisproceduredescribeshowtoinstallingthesystem 
diagnosticsoftwarefromtheGatewayPartsandService 
CenterwebsitefortheToroCompany.
1.GototheGatewayPartsandServiceCenter.
2.OpenthePlus+1GUIDEServiceTool.
3.Clickonthediagnosticicononthetoptoolbar.
4.ThediagnosticprogramwillloadinPlus+1GUIDE 
ServiceT ool.
2.Connectthe9-socketconnectortothe9-pinconnector 
ofthediagnosticcable(Figure2).
Figure2
1.3-pinor9-pinconnector4.9-pinconnector
2.Thumbscrew
3.9-socketconnector
5.USBConnector
5.Refertoform2000–4002ToroPlus+1Diagnostic 
SoftwareInstructionalManualforfurtherinformation.
InstallingtheAdapterHarness 
andDiagnosticCable
1.Selecttheharnessadapter(Figure1)foryourmachine 
byusingthetablebelow.
AdapterTable
ProducttypeProductNameAdapterHarness
Type
DirectionaldrillDD12153-pinconnector
DD14163-pinconnector
DD20243-pinconnector
DD32383-pinconnector
DD40459-pinconnector
RideonTrencherRT9609-pinconnector
RT10009-pinconnector
RT11609-pinconnector
RT12009-pinconnector
3.Securetheadapter-harnessconnectortothe 
diagnostic-cableconnectorwiththe2thumbscrewson 
theadapterconnector(Figure2).
4.Atthemachine,removethedustcapfromthe 
diagnostic-portconnectorforthemachine(Figure3, 
Figure4,orFigure5).
1.3-pinconnector
2.3-pinconnector(endview)
3.9-socketconnector
Figure3
1.Dustcap(RTproducts–rightside)
Figure1
4.9-socketconnector(end 
view)
5.9-pinconnector
6.9-pinconnector(endview)
2
Page 3

Figure4
Figure6
1.Dustcap(DD4045rearbatterycompartment)
Figure5
1.Dustcap(directional-drillsexcepttheDD4045underthe 
enginehood)
5.Connecttheadapterharnesstothediagnostic-port 
connectorforthemachineasfollows:
•Foramachinewitha3-socketdiagnostic-port
connector,connectitasfollows:
1.Latch
2.Diagnostic-portconnector
3.Adapter-harnessplug(3 
pin)
4.Connector(3-pinadapter 
cable)
5.Connector(diagnostic 
cable)
B.Firmlyinserttheplugintotheportuntilthe
latchofthediagnostic-portconnectorlocks
Figure6).
(
•Foramachinewitha9-socketdiagnostic-port
connector,connectitasfollows:
A.Alignthepinnotchonthediagnostic-port
tothepinnotchontheadapter-harnessplug 
(Figure7).
A.Alignthetabontheadapter-harnessplugto
thelatchofthediagnosticport(
Figure6).
1.Pinnotch(diagnostic-port)
2.Diagnostic-portconnector 
(9-socket)
Figure7
3.Adapter-harnessplug 
(9-pin)
4.Socketnotch 
(adapter-harnessplug)
B.Firmlyinserttheplugintotheport(Figure7).
6.InserttheUSBconnectorofthediagnosticcableinto 
theUSBportonthecomputer.
Note:Whenthediagnosticcableispluggedinto 
thecomputerandthecomputerisrunning,thePWR
3
Page 4

indicatorlightonthehousingofthediagnosticcable
illuminates(Figure8).
Note:Whentheadaptercableisconnectedtothe 
diagnosticportofthemachineandthediagnosticcable, 
andthecontrolsystemofthemachineisenergized,the 
CANindicatorlightonthehousingofthediagnostic 
cablewillilluminate(Figure8).
Figure8
1.PWRindicatorlight
2.CANindicatorlight
7.Turnthemasterandignitionkeyswitchtotheon 
position.
Note:Turnthemasterswitchandignitionkeyswitch 
offpriortodisconnectingthediagnosticcablefrom 
theport.
RunningtheDiagnostic 
Software
ContactaT oroTechnicalServicerepresentativefor 
instructionsonhowtousethediagnosticsoftwareonyour 
machine.
4