Allison Transmission T 270 User Manual

(1)–TransmissionControlModule
(TCM)
*
(2)–VehicleInterfaceModule(VIM)
(Optional)
(3)–J1939Connector
(4)–SAEJ1962DiagnosticTool
Connector
(5)–Deutsch9–PinDiagnosticT ool
Connector
(6)–VIWConnector(Optional)
(7)–VIMConnector(Optional)
(8)–RetarderAccumulator
Connector(Optional)
(9)–RetarderModulationRequest
(RMR)Connector
(10)–TransferCaseConnector(3000
Series7–Speed)
(11)–SensorHarnessConnector
(Optional)
(12)–OutputSpeedSensor
Connector
*
5thGenerationshown
(13)–ShiftSelectorConnector
(14)–RetarderT empSensor
Connector
(15)–ThrottlePositionSensor(TPS)
Connector(Optional)
(16)–TurbineSpeedSensor
Connector(4000Series)
(17)–EngineSpeedSensor
Connector
(18)–Retarder“PCS5”Solenoid
Connector(Optional)
(19)–20–WayTransmission
FeedthroughHarness
Connector
(20)–ThrottlePositionSensor(TPS)
(21)–BulkheadConnector(Optional)
(22)–StripPushButtonShift
Selectors(J1939)
(23)–RemotePushButtonSelector
(24)–RemoteLevelSelector
(25)–CompactPushButtonSelectors
(26)–AllisonDOC
®
Figure8–1.TypicalAllison5thGenerationand6thGeneration
ControlsComponents
8.4TRANSMISSIONCONTROLMODULE(TCM)HARDWARE
DESCRIPTION
HarnessConnector-theTCMinterfacestoyourvehicleharnesswithone
connectorandusesan80–pinconnectorinterfacedtothevehicleharness.
RefertoFigure8–1.
TCMPowerRequirements-5thGenerationTCMmodelsA61,A62and
A63areofferedtotheOEM(s)forthe3000and4000Seriestransmissions.
AllA61,A62andA63TCMcongurationsarecompatiblewith12-voltvehicle
electricalsystems.TheA63Max-FeatureTCMisalsocompatiblewitha
24-voltvehicleelectricalsystems.
6thGenerationTCMmodelsC71M,C72MandC73Mareofferedtothe
OEM(s)forthe3000and4000Seriestransmissions.AllC71M,C72Mand
C73MTCMcongurationsarecompatiblewith12–voltvehicleelectrical
systems.TheC73MMax-FeatureTCMisalsocompatiblewith24–voltvehicle
electricalsystems.
SeeyourvehicledealerifyouneedassistanceindeterminingwhichTCM
isinstalledinyourvehicle.
141

Allison Transmission T 270 Specifications

General

Brand	Allison Transmission
Model	T 270
Category	Controller
Language	English