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Figure21
1.Wireharnessandconnectors
4.ConnecttheDiagnosticACEdisplaytoolconnectorto
thediagnosticconnector(
Figure22).
Note:Makesurecorrectoverlaydecalispositioned
onDiagnosticACEdisplay.
Figure22
1.DiagnosticACE
5.TurnthekeyswitchtotheOnposition,butdonot
startthemachine.
Note:Theredtextontheoverlaydecalreferstoinput
switchesandthegreentextreferstooutputs.
6.The“inputsdisplayed”LED,onthelowerright
columnoftheDiagnosticACE,shouldbeilluminated.
Ifthe“outputsdisplayed”LEDisilluminated,press
thetogglebutton,onDiagnosticACE,tochangeLED
to“inputsdisplayed”.
TheDiagnosticACEwillilluminatetheLEDassociated
witheachoftheinputswhenthatinputswitchisclosed.
7.Individually,changeeachoftheswitchesfromopen
toclosed(i.e.,sitonseat,engagetractionpedal,etc.),
andnotethattheappropriateLEDonDiagnosticACE
willblinkonandoffwhencorrespondingswitchis
closed.Repeatthisforallswitchesthatyoucanchange
byhand.
8.IfaswitchisclosedandtheappropriateLEDdoesnot
turnon,checkallwiringandconnectionstotheswitch
and/orchecktheswitchwithanohmmeter.Replace
anydefectiveswitchandrepairanydefectivewiring.
Note:TheDiagnosticACEalsohastheabilitytodetect
whichoutputsolenoidsorrelaysareturnedon.Thisisaquick
waytodeterminethesourceofthemachine’smalfunction.
VerifyingOutputFunction
1.Parkthemachineonalevelsurface,lowerthe
attachment,stoptheengine,andengagetheparking
brake.
2.Raisetheseat.
3.Locatewireharnessandconnectorsnearcontroller.
4.Carefullyunplugloopbackconnectorfromharness
connector.
5.ConnecttheDiagnosticACEconnectortothe
appropriateharnessconnector.Ifthemachineis
equippedwithafrontattachment,itwillhavetwo
controllers.
Note:Makesurecorrectoverlaydecalispositioned
onDiagnosticACE.
6.TurnthekeyswitchtotheONposition,butdonot
startmachine.
Note:Theredtextontheoverlaydecalreferstoinput
switchesandthegreentextreferstooutputs.
7.The“outputsdisplayed”LED,onlowerrightcolumn
ofDiagnosticACE,shouldbeilluminated.Ifthe
“inputsdisplayed”LEDisilluminated,pressthetoggle
button,ontheDiagnosticACE,tochangetheLEDto
“outputsdisplayed”.
Note:Itmaybenecessarytotogglebetween“inputs
displayed”and“outputsdisplayed”severaltimestodo
thefollowingstep.Totogglebackandforth,press
thetogglebuttononce.Thismaybedoneasoftenas
required.Donotholdthebutton.
8.Sitontheseatandattempttooperatethedesired
functionofthemachine.Theappropriateoutput
LEDsshouldilluminatetoindicatethattheECMis
turningonthatfunction.
Note:IfthecorrectoutputLEDsdonotilluminate,verify
thattherequiredinputswitchesareinthenecessarypositions
toallowthatfunctiontooccur.Verifycorrectswitchfunction.
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