Allison Transmission 3000 Series User Manual

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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Allison Transmission 3000 Series Specifications

General

Type	Automatic Transmission Controller
Control Module	Integrated
Shift Energy Management	Yes
Number of Gears	6
Torque Converter	Yes, with lock-up clutch
Retarder	Optional
PTO Provision	Yes
Input Voltage	12V or 24V
Communication Protocol	SAE J1939
Operating Temperature Range	-40°C to +85°C