Toro 03691 - Page 37

Figure48
1.Wireharnessandconnectors
4.Carefullyunplugloopbackconnectorfromharness
connector.
5.ConnecttheDiagnosticACEdisplayconnectorto
theharnessconnector(Figure49).
Note:Makesurecorrectoverlaydecalispositioned
onDiagnosticACEdisplay.
Figure49
1.DiagnosticACE
6.TurnthekeyswitchtotheOnposition,butdonot
startthemachine.
Note:Theredtextontheoverlaydecalrefersto
inputswitchesandthegreentextreferstooutputs.
7.The“inputsdisplayed”LED,onthelower
rightcolumnoftheDiagnosticACE,shouldbe
illuminated.Ifthe“outputsdisplayed”LEDis
illuminated,pressthetogglebutton,onDiagnostic
ACE,tochangeLEDto“inputsdisplayed”.
TheDiagnosticACEwillilluminatetheLED
associatedwitheachoftheinputswhenthatinput
switchisclosed.
8.Individually,changeeachoftheswitchesfrom
opentoclosed(i.e.,sitonseat,engagetraction
pedal,etc.),andnotethattheappropriateLED
onDiagnosticACEwillblinkonandoffwhen
correspondingswitchisclosed.Repeatthisforall
switchesthatyoucanchangebyhand.
9.IfaswitchisclosedandtheappropriateLEDdoes
notturnon,checkallwiringandconnectionsto
theswitchand/orchecktheswitcheswithanohm
meter.Replaceanydefectiveswitchesandrepair
anydefectivewiring.
Note:TheDiagnosticACEalsohastheabilityto
detectwhichoutputsolenoidsorrelaysareturned
on.Thisisaquickwaytodetermineifamachine
malfunctioniselectricalorhydraulic.
VerifyingOutputFunction
1.Parkthemachineonalevelsurface,lowerthe
cuttingunits,stoptheengine,andengagethe
parkingbrake.
2.Removetheaccesspanelfromthesideofthe
controlarm.
3.Locatewireharnessandconnectorsnearcontroller.
4.Carefullyunplugloopbackconnectorfromharness
connector.
5.ConnecttheDiagnosticACEconnectortothe
harnessconnector.
Note:Makesurecorrectoverlaydecalispositioned
onDiagnosticACE.
6.TurnthekeyswitchtotheONposition,butdonot
startmachine.
Note:Theredtextontheoverlaydecalrefersto
inputswitchesandthegreentextreferstooutputs.
7.The“outputsdisplayed”LED,onlowerright
columnofDiagnosticACE,shouldbeilluminated.
Ifthe“inputsdisplayed”LEDisilluminated,press
thetogglebutton,ontheDiagnosticACE,to
changetheLEDto“outputsdisplayed”.
Note:Itmaybenecessarytotogglebetween
“inputsdisplayed”and“outputsdisplayed”several
timestodothefollowingstep.Totogglebackand
forth,pressthetogglebuttononce.Thismaybe
doneasoftenasrequired.Donotholdthebutton.
8.Sitontheseatandattempttooperatethedesired
functionofthemachine.Theappropriateoutput
LEDsshouldilluminatetoindicatethattheECMis
turningonthatfunction.
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