. . 53 53. . . . . . The indicator is lit upon each initialization of the TCM, and remains on for approximately 1 2 minutes after the first selection of a drive range, until service is performed and the indicator is reset. . Windows Media Player is installed by default, Adobe Acrobat Reader is installed by default. . . . . Begin troubleshooting by determining the transmission fluid level and TCM input voltage. . . . . . . Most troubleshooting tests consist of determining resistance, continuity, and testing for shorts between wires and to ground. . . Each time the engine is started, the CHECK TRANS light illuminates briefly and then goes off. . . . . All Allison transmissions are PTO ready. . . . . The technician should be able to use jumper wires and breakout harnesses and connectors. . . . . . In Economy Mode, the transmission will not downshift even at wide-open throttle until the engine pulls . . . . Check phasing, angularity, and slip movement of driveshaft. . . . Allison Transmission is the worlds largest manufacturer of fully automatic transmissions for medium- and heavy-duty commercial vehicles and is a leader in hybrid-propulsion systems for city buses. . . . Service Manuals SM4013EN and SM4014EN, plus Parts Catalogs PC2150EN and PC2456EN may be used in conjunction with this manual. . . . Use the P/N from your appropriate parts catalog or from Appendix E in this manual. . . . . (3)Update Application tab, which provides access to a URL containing minor updates for the diagnostic tool to support changes in the various transmission control systems. . . . . When the main filter is in an unrestricted state and lockup clutch pressure is applied, the switch is depressurized and in its Normally closed (NC) position which completes a circuit between wire 118 and analog returns wire 158. . . NOTE: Illustration is not to scale. . . . The service procedures recommended by Allison Transmission and described in this manual are effective methods for performing troubleshooting operations. . . . . . . . . . . . . . Available with GVWs greater than 19.5K. . . This mode is triggered by anything that could cause severe damage to the transmission, including severe overheating or towing a very heavy load. 53 A. Fluid Level Reading Procedure. . . . . . 56, 55 HOT CHECK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27, 31. C.Operation of Filter Life Valve and Pressure Switch (PS2). . 888 9-4-GEARS | 888 944-3277. . . . . . . The TransID feature enables the TCM to recognize various transmission hardware configurations and select an appropriate software calibration. . and ask about the replacement process. . . . . Once that shift has been retried, and a fault is still detected, the TCM sets a DTC and holds the transmission in a fail-to-range mode of operation. . ), FOREWARD. . Drive the vehicle; confirm DTCs have not returned. . . . . . Terminals may have been bent or lost the necessary tension to maintain firm contact. . . . . . SHIFT SELECTOR DISPLAYS RELATED TO ACTIVE CODES . . . The output speed signal is generated by a toothed member attached to the output shaft (except for the 3000 Product Family 7-speed models, where the toothed member is the transfer case idler gear). FM Display: An acceptable filter life status is displayed as OK in the shift selector; an unacceptable filter life status is displayed as LO. Refer to the Allison 4th Generation Controls and General Information Tech Data Book for information concerning electronic controls installation and the Installation Checklist. . The lever selector can be chosen with the lever on the left side or on the right side and with the R (Reverse) position toward the front or toward the rear of the selector. . * Some transmissions used in oil field service default to neutral, 41. . . . 56 B. . . Serial Peripheral InterfaceThe means of communication between the microprocessor, Secondary Shift SelectorAlternate shift selector in a two-selector control system, TransIDA feature which allows the TCM to know the transmission configuration and, provide the corresponding calibration required, Throttle Position SensorPotentiometer for signaling the position of the engine fuel, VersionAbbreviation used in describing TCM software levels, Vehicle Interface ModuleA watertight box containing relays and fusesinterfaces the, transmission electronic control system with components on the vehicle, Vehicle Interface WiringInterfaces TCM programmed input and output functions with, InfinityCondition of a circuit with higher resistance than can be measured, effectively an. . . . Allison 4th Generation Internal Wiring Harness with Prognostics, 18. . RESETTING TCM AUTOSELECT . . . . . SCTI provides parts to any Allison customer or OEM and is responsible for warranty on these parts. . . . . . . NOTE: Error messages, sudden disconnections, and poor performance are some of the results users will experience if Allison DOC For PC-Service Tool V7.x.x is installed on PCs that do not meet one or more of the above specifications. . . . . . . Nylon 1150 m/s. . anyone need wiring. . . . . . . . . . . . . . . This feature is not available with 7-speed transmission models. . . . . . . . . Allison Transmission could not possibly know, evaluate, or advise the service trade of all conceivable procedures by which service might be performed or of the possible hazardous consequences of each procedure. SCTI will have parts catalogs available. . . . . . . . . . . Allison Transmission is the worlds largest manufacturer of fully automatic commercial-duty transmissions, and is a leader in hybrid-propulsion systems. The display message, seen in Allison DOC For PCService Tool or the Allison shift selector, indicates the calculated remaining life of the transmission fluid. . . iv SHIFT SELECTOR TERMS AND DISPLAY INDICATIONS. . . . . . . . Allison PTO: Transmission Power Takeoff, Hydraulic Pump and Repair. . Contact Us +1 443-914-6010. . . . . . . . 14 B. . . . . . . . . . . . . . . . . . . 58, 61. . . . . . Then, mount the PTO to the adapter with the correct gasket which you set aside. . . . This momentary lighting shows the light circuit is working properly. . . DIAGNOSTIC CODE TROUBLESHOOTING . . . . . . . . . . . If the autodetect logic is not satisfied during the first 35 engine starts, the retarder is not detected and will not function on subsequent engine starts. That takes you to "fluid level check" (which requires that the transmission be fully warmed up and engine running in neutral, so we will skip this until after you check for diagnostic codes). . . . . . If engine rating is not compatible, the vehicle must be returned to the OEM for engine recalibration. . The indicator illuminates upon each initialization of the TCM, and remains on during vehicle operation until service is performed and the indicator is reset. . . . . . . The math says the air control hoist valve vs a cable control should be a lot quieter. . Use the P/N from your appropriate parts catalog or from Appendix E in this manual. . . . Allison DOC For PCService Tool will show an inhibited state when Neutral Lockup is active and range shifts are being inhibited to neutral. . . . . . . ELECTRONIC FLUID LEVEL READING (SHIFT SELECTOR) . . . . . OIL LEVEL SENSOR (OLS) INTRODUCTION . . . . . TCM DIAGNOSTIC PROCEDURE . . . . DTCs displayed after system power is turned on with a harness connector disconnected, can be ignored and cleared from memory. . . . . . . . COLD CHECK. The PTO is driven off the torque converter turbine and is rated for 250 lb-ft of torque. . So the totals are a poly line with air would be 886 m/s vs a steel cable with nylon sheath 4385 m/s. . . . . . . . . . . . . . . 118, 110. . Repair parts for the external harnesses and external harness components must be obtained from St. Clair Technologies Inc. (SCTI). The Throttle Position Sensor (TPS) can be mounted to the engine, chassis, or transmission. Pushbutton and lever shift selectors for the Allison 4th Generation Series are remote mounted from the TCM and communicate to the TCM via the J1939 communications data link. . . . . . . . . . . . . The transmission may be locked in a range. . First, set correct backlash between adapter and PTO and set the gaskets aside. . . . Learn how you can ensure the performance and durability of your Allison transmission. . . . . . . . . A retarder will be identified as present and the retarder autodetect logic will stop once it is detected for three consecutive ignition cycles. Sold By: Complete Recycling Group - Heavy Truck Parts. . . . . SCTI provides a technical HELPLINE at 519-627-1673 (Wallaceburg). . . . Topics include Power Take-Off (PTO) operation, shift selectors, prognostics, diagnostics, care and maintenance and even driving tips. . . . . . . Repair parts for the external harnesses and external harness components must be obtained from St. Clair Technologies Inc. (SCTI). . . OM Display: The selector display is a two-digit number, showing the percentage of fluid life remaining. . . NOTE: Required calendar-based filter change intervals are not monitored by this feature and remain applicable to all vehicle installations in addition to the above. . SCTI recognizes AT, manufacturers, and SCTI part numbers. Re-install shift cover. . . Clear any DTCs that may be present and test drive the vehicle to confirm the repair. . . K1 L. EXTERNALLY-GENERATED ELECTRONIC INTERFERENCE. . . . Some procedures require using specially designed tools. All TCMs programmed and sold after that date will be loaded with the new TID calibration. . . Refer to Appendix A if a circuit problem is suspected. . . . . . D1, E.CONNECTOR PART NUMBERS, TERMINAL PART NUMBERS, . . . . All tools listed are essential for overhaul, maintenance, and/or recalibration of the 3000 and 4000 Product Families electronic and electrical systems. . . . . . . Refer to Section 8 for information concerning performance complaints (non-code) troubleshooting. . . Shut off the engine and ignition before any harness connectors are disconnected or connected. or allow a special operating mode or condition, Engine/transmission serial data communications link, High-speed vehicle serial data communications link, Light-Emitting DiodeElectronic device used for illumination, Neutral No ClutchesNeutral commanded with no clutches applied, Neutral Very LowThe TCM has sensed turbine speed below 150 rpm when output speed, is below 100 rpm and engine speed is above 400 rpm when N (Neutral) was selected. . . . . . . . . . No continuity in a jumpered pair circuit (infinite resistance reading) indicates an open in the wire being tested. . . . . 62 63. . 158) all use a 1 for the first digit and the pin-out information at the TCM for the second and third digits. Allison DOC For PCService Tool V7.x.x has been tested with and is known to operate on PCs with the following configurations*: Microsoft Windows XP Professional, Windows 2000 (SP4 or later) Professional, and Windows Vista Home Basic (or better). . . . . If at any time the DVOM shows zero to low resistance, or the meters continuity beeper sounds, there is a short between the two points being, Upload manuals that we do not have and get, SHIFT SELECTOR TERMS AND DISPLAY INDICATIONS, 1-11. . . . . . . SPECIAL ELECTRONIC/ELECTRICAL TOOLS, 2-2. . . . . . BASIC KNOWLEDGE REQUIRED. 3.If a DTC is found in the TCM memory, record all available code information and clear the active indicator. . . . . . . . . . . . . . . . An Over View on Allison Automatic Transmission Wiring We didn't experience the New World Transmissions from Allison until 1995. The lever shift selector can have as many as six forward range positions (seven for the 7-speed models), as well as R (Reverse) and N (Neutral). . There are no restrictions on engine speed in neutral. Refer to SIL 16-WT-96 for the correct procedure. . . . . Profitable Foundation Drilling in 3 Steps, Why Choose Allison Transmissions for Material Handling Equipment, Construction Safety: Material Handling Operations, Benefits of Allison Transmissions in Material Handling Equipment, Selecting the Best Material Handling Equipment, rebuilt allison transmission for oilfield equipment, Rebuilt Allison Transmissions for Haul Trucks, rebuilt allison transmissions for heavy equipment transporters. . . . The TCM (Figure 13) contains the microcomputer which is the brain of the control system. . . . . . . . . . . . Output voltage from the TPS is directed to the TCM through the external harness. . . . Description of diagnostic codes, system responses to faults, and troubleshooting. . . . . TCMs are available in both 12V and 12/24V configurations to match the configuration of the vehicle electrical system. . . . . . Alberta, Canada Its an allison 2500 and it needs a pto put on it. . Allison, PTO internal leak "from" transmission. . . . CONTROL MODULE. If the P.T.O. . . . . . . . . . . . . . LPS Cleaner is a registered trademark of LPS Laboratories. When the C5 clutch is exhausted, as in second through sixth ranges, PS1 verifies the position of the C1 and C2 latch valves. VIMs are available for both 12V and 24V electrical systems. . . . . Trying to find out how a pto works on the Allison transmission. . . . . . . SCTI will have parts catalogs available. Failure to perform maintenance and reset the monitor after a calibration-defined number of warnings results in the illumination of the CHECK TRANS light. . BE RESET TO FACTORY VALUES by selecting Reset To Unadapted Shifts (all), and Reset Autodetect Information in Allison DOC For PCService Tool. Throttle percentage less than 15 percent in reverse, low (7-speed), first, or second range. . . The root cause of a problem as well as the symptom must be corrected to be sure of trouble-free operation. . . . . . . . . . . In initial versions of Allison 4th Generation Controls, wire 176 is connected to high side driver 1 (HSD1), wire 111, in the internal wiring harness. . . . . . . . When disconnecting a harness connector, be sure the pulling force is applied to the connector itself and not the wires extending from the connector. . . . . . TRANSMISSION CONTROL MODULE (TCM) . . . . . . . . . . Posted - 07/31/2008 : 09:53:50 AM . . . . . . . . . Refer to Section 6. . . . . . The first place to look when troubleshooting a P.T.O. Figure 17. . . . . . . The turbine speed sensor is directed at the rotating-clutch housing. . The TCM monitors the OLS input voltage on wire 116. . . Typical Allison 4th Generation Control Components. . . On 7-speed models, SS2 latch valve takes the place of C5 on the bottom of the C2 latch valve. . . . . . . . . . . .ii IMPORTANT SAFETY NOTICE . . This is the date when the TCM passed final testing. . . Gm Allison 1000 2000 Transmission Increase Pto Lifespan And Torque Capacity Jcb Allison Transmission 3000 4000 Series Troubleshooting Allison Dtcs Service Manuals And Wiring Auto Repair Software Epc Manual Work Allison 1000 2000 Automatic Transmission Repair Manual Interwam Hino Plug And Play Pto Harness For Allison Transmissions All Rights Reserved. . . Copeland International, Inc. . . . . (Display occurs one character at a time. OUTPUT FUNCTIONS . . . . Technicians need to know how to use a digital volt/ohmmeter (DVOM) to make resistance and continuity tests. . A Diagnostic Trouble Dode (DTC) will nearly always be registered when the CHECK TRANS light is on; however, not all DTCs will turn on the CHECK TRANS light. will last you a very long time with few problems. . . . . . . . . IMPORTANT INFORMATION IN THE TROUBLESHOOTING PROCESS. . . OM History: A historical record of the last 6 resets, including mileage at the time of each reset, may be viewed using the Allison DOC For PCService Tool . . . Chelsea PTO and Pumps For All Allison Transmission Models. We make every effort to keep our service information current and accurate. . . . Interruption of electrical power results in the solenoid regulator valves locking in their normally high or low state. Minimum Fluid Operating Temperatures. . . . . . Seek service assistance as soon as possible. . . . . New fluid is displayed as 99 percent. . 1.Make sure all connectors are tightly connected and re-test the circuit. TG Series PTO . . . . . . . . . (2)TCM Reprogramming tab, used to enable the reprogramming capability of the Allison DOC For PCService Tool . . . . . . . All you need is your PTO series number to get started. . . . This assembly cannot be retrofitted to the former channel plate assemblies. . . . ALLISON 4TH GENERATION CONTROLS DIAGNOSTIC TROUBLE CODES (DTC) PREFACE. . . . . . . . Vehicle Interface Module (VIM). We have PTOs for the Allison 1000, 2000, 3000, and 4000 series and more. ELECTRONIC FLUID LEVEL CHECK (ALLISON DOC FOR PCSERVICE TOOL) . Additional details for each of the four autodetectable features are given below. 116 19. Operation may or may not be restricted. . . . . install a new TCM. . . . .614 B. Solenoid Locations . . . . . . . . . . . . . . . . . . ELECTRONIC FLUID LEVEL READING (SHIFT SELECTOR), 6-4. . . . . . . Allison 9000 Series transmissions have up to 8 forward speeds plus a maximum of two reverse . . . . If resets are restricted to the service tool, the selector will not be able to reset the function. . . Because of the time lag involved with writing and printing . Jumper between wires produces. . Refer to Section 6, Diagnostic Trouble Codes, for the code clearing procedure. . . . . . Allison Transmission 5.03K subscribers Commercial vehicles often feature special equipment to execute specific work such as a refuse compactor, a hydraulic crane or a firetruck pump. . . . . Be sure the transmission model matches the calibration in the TCM. . . . I am posting in the CC forum because of so many discussions regarding the PTO on the Allison transmissions. . Engine coolant temperature sensor autodetect will countdown for a total of 25 engine starts while recording detections of engine coolant temperature sources. . . . Visually confirm that the range selected was attained. . . . Then the TCM concludes that no OLS is present. 17 16. . . . . . . OLS input voltage must exceed a predetermined level for the TCM to record a detection. If your implement/pump will fit, it is PTO capable. . Use the Allison DOC. . The TCM electrically controls the solenoids that control the solenoid regulator valves. . . . . "), 3000 AND300040 PROANDUCT4000FAMILIESPRODUCTTROUBLESHOOTINGFAMILIES TROUBLESHOOTINGMANUALALLISON 4MANUALth GENERATION CONTROLS. . . . Failure to follow these procedures may cause illumination of the CHECK TRANS light and the transmission will be restricted to N (Neutral). They have a 24 bolt bell housing with approx 21 inch diameter pattern. . The display message indicates the operating status of the transmission main filter, based on the measured pressure drop across the filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . Description of the 3000 and 4000 Product Families Allison 4TH Generation Electronic Control system. . . . . SCTI provides a technical HELPLINE at. . . If dirty or corroded terminals are the probable cause of the problems, reconnect the clean connectors and operate the vehicle normally. . 614 C. Diagnostic Code Schematics . . . Applications are diverse and include oil-. NOTE: If using a TCM from another vehicle is unavoidable, the TCM MUST BE set to factory values and the vehicle MUST BE driven carefully to adapt the shifts to the test vehicle. Strip pushbutton shift selectors are used primarily by non-North American OEMs. . . . . . . When the countdown period is complete, the software will use the highest priority throttle source having a confidence flag set and the autodetect logic will stop. . B1 C. SOLENOID AND CLUTCH CHART. . . . . . . . . . . . will cause severe overheat damage to the transmission. . . . . . . . . IMPORTANT INFORMATION IN THE TROUBLESHOOTING PROCESS, 3-5. Refer to the Table 31 for temperature restrictions. Wiring Diagram: Standard "H" Shift Option Model Years Standard.Muncie Power Products is a leading manufacturer of power take-offs (PTO), hydraulic components such as pumps, motors, cylinders, valves and reservoirs, and snow & ice removal products. . . . . . . . . . . . All Highway Series transmissions are programmed to restrict full operation until specific fluid temperatures are reached. . . . Inspect all connector terminals for damage. Cold Check Procedure . . .L1 M. DIAGNOSTIC TREE3000 AND 4000 PRODUCT FAMILIES HYDRAULIC SYSTEM . . Multiple sources detected before a confidence flag is set or multiple confidence flags will result in the highest priority source being used as the engine coolant temperature source. . . . 43, 51. . . . . . . . . The TCM senses the transmission configuration using TID wire 176. . . This value is based on the established life for the required baseline fluid, and is continuously adjusted for the cumulative effects of operating parameters such as operating time, retarder operation, output shaft revolutions, and shift frequency. . . . . . . The transmission is considered to be overheated when any of the temperatures in Table 32 are exceeded:. 41, 42. . . . TESTING AT TRANSMISSION FEEDTHROUGH CONNECTOR FOR INTERNAL, HARNESS OPENS, SHORTS BETWEEN WIRES, AND SHORTS-TO-GROUND . . . . . . . . . Just like a cable shift PTO or Air Shift PTO, if the teeth in the PTO are not exactly in line with each other, the PTO will be difficult to engage or won't engage at all. If the engine is not supported, the TCM will lock to a non-SEM state. . . . . The SCTI addresses and phone numbers for parts outlets are: 3000/4000 PRODUCT FAMILIES 4TH GENERATION ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL. If the complaint is confirmed. . . PTO requires minimum 65 PSI. . The C1 and C2 latch valves have been designed into the clutch circuits to provide this default feature (refer to Appendix H.). . That range will be shown on the shift selector display. . . . . . . . . . . . . . . . . The Prognostics Package includes the following functions: Use the Allison DOC For PCService Tool to review the current status of any of these functions and a history of indicator resets. . . . . . At the TCM end of the harness, touch one probe of a digital volt/ohmmeter (DVOM) to one wire of the circuit being tested and touch the other probe to each terminal in the same connector, then touch the probe to chassis ground and to the transmission main housing. . . . The turbine speed signal is generated by the rotating-clutch housing spline contours. . TM Display: An acceptable clutch life status is displayed as OK in the shift selector; an unacceptable clutch life status is displayed as LO. . . . . . . . . The Allison transmission 1000 model has a feature called "limp mode", in which the transmission locks itself into third gear. . If resets are restricted to the service tool, the selector will not be able to reset the function. . . . The strip pushbutton shift selector has either three or six range selection positions as shown in Figure 14. Internet connection capability with Internet Explorer 5.0.1 or greater. However, this manual does provide a starting point from which most problems can be resolved. . . . . . During the entire autodetect period, the software will use the highest priority source as the throttle source if multiple sources are detected before any confidence flags are set. . . . . . . . . Description of the electronic control system components. NOTE: If an OLS is known to be present but has not been detected, a possible cause is that the transmission fluid level is too low. . Oil Level Sensor (OLS) . Give us a call at 877-776-4600 or 407-872-1901. . . If all connectors are clean and connected correctly, determine which wires in the chassis harness are indicated by the DTC. . . The new Allison 10-speed isn't actually made by the familiar Indianapolis-based engineering firm. . . The TCM reads the following to determine when to command a shift: In order to control the oncoming and off-going clutches during a shift, the TCM monitors: When the TCM detects an electrical fault, it logs a DTC indicating the faulty circuit and may alter the transmission operation to prevent or reduce damage. A working knowledge of the Allison 4th Generation Controls vehicle installation is necessary in troubleshooting installation-related problems. . . . . . . . Hence, the solenoids are referred to as pressure control solenoids (PCS). SHIFT SELECTOR . . . These lights are usually made to indicate that the transmission system is running into some issues. . . . . . . . Care should be taken when welding on a vehicle equipped with electronic controls. . Thus, TID will not allow an Allison 4th Generation TCM to recognize a transmission with WTEC III controls, nor will TID allow a WTEC III ECU to recognize a transmission with Allison 4th Generation Controls. . IT IS YOUR RESPONSIBILITY to be completely familiar with the warnings and cautions used in this manual. After the OLS circuit is repaired, reset autodetect or manually select the OLS function using the Allison DOC For PCService Tool. Both types have the same part number 23014539. . . Stop the vehicle and inspect the cooling system. . . . Allison DOC For PCService Tool displays from 100 percent down to minus () 100 percent. . . . . . . . . . . . . . . . . . . . . . . Elkton, Maryland 21921. . . . The electronic control of the transmission is performed by a microcomputer. H1 J. . drive gear rating (continuous operation) Using one PTO: 930 Nm. This publication is revised periodically to include improvements, new models, special tools, and procedures. . . The solenoid regulator valves are controlled by solenoids that control transmission clutch application. . . Reset is accomplished by using Allison DOC For PCService Tool. . . . . 51 52. . New animated screen by screen help support (found in Help. . . . . . . Reset by using the specific Action Request in the Allison DOC For PCService Tool . . . Dont keep driving a vehicle with a faulty part! . . . . . .E1, TOOL PART NUMBERS, AND REPAIR INSTRUCTIONS, F. THROTTLE POSITION SENSOR ADJUSTMENT . . Allison 4th Generation Control functions are controlled by the TCM. . . Connect with us to stay up-to-date on the latest in Allison transmission technology and maintenance advice. . . . . DIAGNOSTIC CODE MEMORY. . . Wire, terminal, and connector repair information. . The differential pressure limit is verified for a period of time to make sure there is no false filters change indication. If the code reappears, refer to Section 6, Diagnostic Trouble Code, and the appropriate code chart. . . Refer to Appendix A if a circuit problem is suspected. . . . . . . . . 73, SECTION 8. . . MEASURING CLUTCH AND RETARDER PRESSURES . . . . . Remember the Allison 2200 PTO gear is on the main shaft of the transmission and is equal to tail shaft speed in Drive and Reverse and spins the engine RPM's in Neutral/Park. . . . . . . 4.Test drive the vehicle to confirm a DTC or performance complaint. 16. . If dirty or corroded terminals are the probable cause of the problems, reconnect the clean connectors and operate the vehicle normally. . . . . . SPECIAL ELECTRONIC/ELECTRICAL TOOLS . Displays o, L; o, K, etc. . . NOTE: The Filter Life Monitor triggers the SERVICE TRANS icon following a reset if the Filter Life indicator switch reopens. . . 1 o'clock position: 1.00 x engine speed. Posted January 16, 2019. . . Consequently, Allison Transmission has not undertaken any such broad evaluation. Clutch-apply pressure against the lands of the latch valves hold the latch valves in place or in a normally closed valve allows the fluid to simply flow through the valves. . . . . . The solenoids produce an output pressure that is proportional to current from the TCM. . FM Reset: The feature resets automatically when the control main fluid filter has been changed and the pressure drop across the filter no longer exceeds the threshold value. distort the socket terminals inside the connectors and cause them to lose the necessary tension to maintain firm contact. . Typical Allison 4th Generation Shift Selectors, 14. . Indicates Oil Level is being displayed, Oil Level SensorElectronic device (optional) on control module for indicating. Remember that some problems may be temperature related. . . . . DIAGNOSTIC TROUBLE CODE LIST AND DESCRIPTION, 6-6. Clean dirty terminals or connectors with isopropyl alcohol and a cotton swab, or a good quality. Proper service and repair is important to the safe and reliable operation of the equipment. . . R1. . . . . . . . . The ER Saf -T- liner Pusher buses all came equipped with 3000 series transmissions and for the most part they were very reliable. . . . . The Allison 4th Generation Controls feature closed-loop clutch control to provide superior shift quality over a wide range of operating conditions. This can be discovered by using HY25-3000/US Applications Catalog. . . . Purpose . . . . . Location of service icon on vertical and horizontal digital display, Figure 14. . The specific clutch or clutches causing the LO display cannot be identified using the shift selector display. Figure 15. Shift Energy Management (SEM) Autoselect feature may be used on certain transmissions. . . . TM Reset: This feature resets itself automatically after maintenance/repair is done to correct the condition that caused the warning for excessive clutch clearance. What Might be Wrong with Your Transmission, The Allison transmission 1000 model has a feature called limp mode, in which the transmission locks itself into third gear. . . Figure 112. Mild Steel 3235 m/s. . . . Figure 21. . SCTI provides parts to any Allison customer or OEM and is responsible for warranty on these parts. Allison Transmission is responsible for warranty on these parts.
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