Allison Transmission T 270 User Manual

5.8.2.3FLUIDRANGEDETECTEDFOROILLEVELSENSOR(OLS)
TheOLShasadetectionrangeofLO4toHI3thatcandisplayonthe
selectors.Theactualoilleveltoaddmaybegreaterthan4liters(4.22quarts)
ifthetransmissionismorethan4liters(4.22quarts)lowfromthefullmark.
Theactualuidvolumetodrainmaybemorethan3liters(3.17quarts)ifthe
transmissionisoverlledbymorethan3liters(3.17quarts).
5.8.2.4INVALIDFORDISPLAYCODES
InvalidforDisplayisactivatedwhenconditionsdonotallowtheuidlevelto
bedetermined.RefertoTable5–4toreviewthecodesandconditions,and
correctasnecessary.Iftheseconditionscannotbecorrected,contactthe
nearestdistributorordealerinyourarea(lookinthetelephonedirectoryfor
theAllisonTransmissionserviceoutletnearestyou).
Table5–4.InvalidforDisplayCodes
CodeCauseofCode
SETTLING/OKSettlingtimetooshort
ENGRPM/TOOLOW
Enginerpmtoolow
ENGRPMTOOHIGH
Enginerpmtoohigh
MUSTBE/INNEUN(Neutral)mustbeselected
OILTEMP/TOOLOWSumpuidtemperaturetoolow
OILTEMP/TOOHIGHSumpuidtemperaturetoohigh
VEHSPD/TOOHIOutputshaftspeed
SENSORFAILEDSensorfailure
5.9PROGNOSTICSFEATURES
ThePrognosticspackagecontainsfunctionsthatmaximizeuidandlteruse,
aswellasafeaturewhichprovidesanindicationofwhentheclutchsystem
wearissignicantenoughtowarranttransmissionrepair.Youcanthen
scheduletherepairatyourconvenience.RefertoT able5–5forPrognostics
FunctionDescription.
Table5–5.PrognosticsFunctionDescription
PrognosticsFunctionNameDescription
OilLifeMonitor(OM)Displaysthepercentageofuidlife
remaining
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Allison Transmission T 270 Specifications

General

Brand	Allison Transmission
Model	T 270
Category	Controller
Language	English