Toro Groundsmaster 4500-D Series - Page 64

Fault
ID
FaultTitle
Contro-
ller(s)
Affected
FaultCondition
/Circuit
Description
Additional
Notes
ServiceActions
P1165
Swashplate1
-SignalOpen
Circuit
T1
Opencircuit
detectedonswash
platesensorsignal.
PTOis
disabled
traction
speedis
reducedby
50%.
Checkforopenconnector(P74,pin28).
P1167
Swashplate
1-Validation
Failure-Position
Converge
T1Theswashplate
positionisnot
convergingon
theswashplate
positionsetpoint.
Tractionis
disabledand
machinewill
cometoa
suddenstop.
Checkthehydraulicpump,pumpcontroller
andswashplatesensor.Currentcontrolling
pumpisdoingwhatitissupposedtobutthe
pumpswashplateangleisnotmovingtothe
rightposition.
P1169
Swashplate
1-Invalid
CalibrationData
T1Integritycheckon
calibrationdata
failed.
PTOis
disabled
traction
speedis
reducedby
50%.
Recalibratethetractionsystem.
P116CSwashplate1
-SignalOut
ofOperational
Range
T1
Sensorsignalis
validbutisoutside
ofoperational
range.
PTOis
disabled
traction
speedis
reducedby
50%.
1.Recalibratethetractionsystem.
2.Replacetheswashplatesensor.
P2135TractionPedal
Sensor1Digital
vsDigitalConict
T1Tractionpedal1
hastwodigital
inputsthat
independently
indicatepedal
positionrelativeto
neutralintheFWD
orREVdirections.
Thetwosignals
arereporting
simultaneously,
whichisnot
physicallypossible.
TPis
disabled.
1.Checkthetractionpedalpotentiometer.
2.Checktheharnesswiring(P74,pins17,
18and32).
3.Checktheconnectionpointstothe
potentiometer.
4.Testthetractionpedalassembly.
P2136TractionPedal
Sensor1Analog
vsDigitalconict
T1Tractionpedal1
hasonedigital
inputandone
analoginputthat
independently
indicatepedal
positionrelative
toneutralinthe
FWDorREV
directions.The
analoganddigital
signalsconictwith
oneanother.
TPis
disabled.
1.Checkthetractionpedalpotentiometer.
2.Checktheharnesswiring(P74,pins17,
18and32).
3.Checktheconnectionpointstothe
potentiometer.
4.Testthetractionpedalassembly.
P2503Alternator-
ChargingT oo
Low
T1
Chargingsystem
(alternator)is
producinga
voltagethat
theTEChas
determinedtobe
outofrangeonthe
lowside.
1.TestthealternatorusingtheYanmarTNV
(Tier4)ServiceManual.
2.Checkandcleanthebatteryconnections.
3.Testandchargethebattery.
4.Checkthealternatorbeltconditionand
belttension.
5.Checkwiringandconnectors.
6.Testthealternatorwiring.
Troubleshooting:Page3–24
Groundsmaster
®
4500-D/4700-D
19245SLRevA