Toro Groundsmaster 4500-D Series - Page 59

Fault
ID
FaultTitle
Contro-
ller(s)
Affected
FaultCondition
/Circuit
Description
Additional
Notes
ServiceActions
C14E4PTO3-Short
toGround/
Overcurrent
T2
Overcurrent
detectedonPTO
leftSV2output
indicatingashort
toground.
1.Testtheoutputcircuitforashort.
2.Testforproperresistanceinthecomponent
connectedtotheauxiliaryTEC(P75,pin
42).
3.SwaptheT2:Auxiliarycontrollerwitha
known-goodunit(contactanAuthorized
ToroDistributorforassistance).
C14E5PTO3-Open
Circuit
T2
Opencircuit
detectedonPTO
leftSV2output.
1.Testtheoutputcircuitforanopen.
2.Testforproperresistanceinthecomponent
connectedtotheauxiliaryTEC(P75,pin
42).
3.SwaptheT2:Auxiliarycontrollerwitha
known-goodunit(contactanAuthorized
ToroDistributorforassistance).
C14F4PTO4-Short
toGround/
Overcurrent
T2
Overcurrent
detectedondeck
PTOrightSV1
outputindicatinga
shorttoground.
1.Testtheoutputcircuitforashort.
2.Testforproperresistanceinthecomponent
connectedtotheauxiliaryTEC(P75,pin
41).
3.SwaptheT2:Auxiliarycontrollerwitha
known-goodunit(contactanAuthorized
ToroDistributorforassistance).
C14F5PTO4-Open
Circuit
T2
Opencircuit
detectedondeck
PTOrightSV1
output.
1.Testtheoutputcircuitforanopen.
2.Testforproperresistanceinthecomponent
connectedtotheauxiliaryTEC(P75,pin
41).
3.SwaptheT2:Auxiliarycontrollerwitha
known-goodunit(contactanAuthorized
ToroDistributorforassistance).
C1514
Hydraulic
PressureSensor
1-Shortto
Ground
T1Fronthydraulic
pressuresensor
(tractionpressure)
isshortedto
ground(outof
rangelow).
1.Checkforthepressuresensorwiringand
connector(P74,pin11).
2.Testthepressuresensorwiring.
3.Testthepressuresensor.
4.Replacethepressuresensor.
C1515
Hydraulic
PressureSensor
1-OpenCircuit
T1Fronthydraulic
pressuresensor
(tractionpressure)
isopen(outof
rangehigh).
1.Checkforthepressuresensorwiringand
connector(P74,pin11).
2.Testthepressuresensorwiring.
3.Testthepressuresensor.
4.Replacethepressuresensor.
P0225TractionPedal1
AnalogSensor1
-OpenCircuit
T1Tractionpedal
analogsensor1
(neutralforward
andneutral
reverse)isreading
avoltageoutside
therangeit
wasdesignedto
operate,indicating
anopencircuit.
Tractionis
disabled.
1.UsetheInfoCentertoverifysensor
movement.
2.Ifnovoltageisdisplayed:
A.Checkthetractionpedalwiringand
connector(P01,pinsDandE).
B.Testthesensorwiring.
3.CheckthesensorwiringtotheTEC
controller.(P74,pins17and32).
4.Testthetractionpedalassembly.
5.Replacethesensor.
Groundsmaster
®
4500-D/4700-D
Page3–19Troubleshooting:
19245SLRevA