Allison Transmission T 280 - Customizing Controls and Tcm Programming; Vehicle and Transmission Signal Interface Overview; Input and Output Functions Overview

8.0CUSTOMIZINGCONTROLSAND
TCMPROGRAMMING
8.1VEHICLEANDTRANSMISSIONSIGNALINTERFACE
OVERVIEW
Thissectiondescribesthevehicleinterfaceconnectionstothetransmission
controlsandtransmissionsignals.Thevehicleinterfacesdiscussedinthis
sectionmaybeprovidedthroughaSAEJ1939vehiclecommunications
interfaceandinclude:
•CHECKTRANSindicator
•WrenchIcon.UsedforPrognosticsfeaturesforneededscheduled
transmissionmaintenance
•RANGEINHIBITEDorRANGEINHIBITindicator
•NeutralStart
•Speedometersignal
•ReverseWarning
•Anti-LockBrakeSystem(ABS)status
•ServiceBrakestatus
•RetarderModulationsignals(ifequipped)
•EngineWaterTemperaturesignal
•RangeRequestsignals
•OthermiscellaneousTransmissionInput/Output(I/O)signalsthat
controlAuxiliaryVehiclefunctionsbyusingeitherdiscreteelectrical
signals,SAEJ1939messages,oracombinationofboth
8.2INPUTANDOUTPUTFUNCTIONSOVERVIEW
InputandOutput(I/O)functionsarebuiltintoeachtransmissioncontrol
systemtoallowadditionalfunctionalcontrolsofspecializedtransmissions
and/orauxiliaryvehicleoperationsthataretailoredfortheexpectedvocation
ofthevehicle.
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