. . Figure 19. Once a confidence flag is set for any one of the sources, a counter begins to countdown for 15 additional engine starts. . . . . . Whenever a transmission is overhauled, exchanged, or has undergone internal repairs, the TCM MUST. . . . The system that enables the transmission to default to totally hydraulic operation has been incorporated to minimize the impact of an electrical interruption. Be sure the transmission model matches the calibration in the TCM. . GENERAL TROUBLESHOOTING OF PERFORMANCE COMPLAINTS, A. 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. . . . . . . Circuit does not have continuity due to a broken wire (open circuit). . . . . . . . . . . The OLS senses transmission fluid level by electronically measuring the buoyancy forces on the float. . . . . . . 1 o'clock position: 1.00 x engine speed. . . . Condition Likely Cause Correction . . . . . . . . . When a specified threshold is detected for any of the prognostic functions, the SERVICE TRANS indicator (an open-ended wrench icon located between the range select and range monitor digits in the Allison shift selector) illuminates to alert the operator. . . Be sure to determine that the retarder is functioning properly, WARNING: immediately after the 35th engine start. . . . . . . . . . . The display message indicates the operating status of the transmission main filter, based on the measured pressure drop across the filter. Multiple sources can be detected on a single engine start cycle. . . Allison Transmission Troubleshooting Download ALLISON 1000/2000/24000 SERIES ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL DTC/Description P0121 Pedal Postion Sensor Performance Problem P0122 Pedal Postion Sensor Circuit Low Voltage P0123 Pedal Postion Sensor Circuit High Voltage P0218 Transmission Fluid Over Temperature P0562 System Voltage Low . . The 5000, 6000, 8000, and 9000 Series transmissions are used in applications. . . . . This opens the PS2 and voltage is sensed on wire 118. . . Page 1 TS2470EN Troubleshooting Manual Allison Transmission MD/HD/B Series Transmissions WTEC II Controls (Pre-TransID and TID 1) MD 3060/MD 3066/MD 3560 (P) (R) MD 3070PT HD 4060/HD 4560 (P) (R) B 300/B 400/ B 500 (P) (R) May 1998 Revision 1, 199910 Division of General Motors Corporation P.O. . . . . . . . . . . Also, be aware of other interlocks that would prevent attaining D (Drive) or R (Reverse). . . . . . . . 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 . This feature is not available with 7-speed transmission models. . * A power take-off (PTO) is optional on the Allison 1000 in the 3500 cab and chassis trucks. . . Care should be taken when welding on a vehicle equipped with electronic controls. Hit the up and down arrows a 2nd time. . . . . . . The exception is when C5 clutch is applied. . To service Allison 4th Generation Controls, the technician must understand basic electrical concepts. . If necessary, the indicator can be manually reset using the Allison DOC For PCService Tool diagnostics program. . . Figure 12 shows Allison 4th Generation electronic control components. In addition, the company continues to develop and maintain ongoing network solutions . . . . . . . . revision, for detailed information on the recommended cleaners. . . . Table 32. . . . This occurs when the remaining clutch life reaches. . . . . Topics include Power Take-Off (PTO) operation, shift selectors, prognostics, diagnostics, care and maintenance and even driving tips. . Alberta, Canada Its an allison 2500 and it needs a pto put on it. . . . SCTI provides a technical HELPLINE at, Remote 12V or 12/24V Max Feature Sealed Transmission Control Module (TCM), Remote Pushbutton or Lever Shift Selector, Throttle Position Sensor (TPS) or electronic engine throttle data or PWM signal, Engine, Turbine, and Output Speed Sensors, Optional Engine Coolant Temperature Input. . . 57 56 KEEPING FLUID CLEAN . . . Actual harness configuration may differ from this illustration. C1 D. WIRE/CONNECTOR CHART . . . Weak trimmer valves and leaking forward clutch seals may cause excessive engine flares. . . 53 A. Fluid Level Reading Procedure. Find a facility My Transmission . Foreign Material . . . . . . . ), FOREWARD. . . . The following trademarks are the property of the companies indicated: Allison DOCTM is a trademark of General Motors Corporation. . . . . . All Allison transmissions are PTO ready. The lube filter must be changed with the main filter. . . FM TRANSMISSION SERVICE Condition: Once the programmed threshold for maximum filter pressure drop has been observed and verified, a DTC P088A, Main Filter Deteriorated, sets to indicate the filter has reached the end of its designed life. . . . . . SCTI recognizes Allison Transmission, manufacturers, and SCTI part numbers. . A.Control System Prognostics Operation and Display. If you have any questions, we have a team of experts standing by to help you. . . . . . Failure to follow these procedures may cause illumination of the CHECK TRANS light and the transmission will be restricted to N (Neutral). . NOTE: Is used when an operating procedure, practice, etc., is essential to highlight. . . . . It is normal for the TCM date displayed electronically to be a few days prior to the date shown on the label. Box 894 Indianapolis, Indiana 46206-0894 Printed in . . Dont let a transmission in need of repairs bring your workplace to a halt! . . 41, 42. . . . Do not insert test probes larger than 0.81 mm into the TCM 80-way and transmission 20-way connectors. . . . . . The electronic control of the transmission is performed by a microcomputer. . Shut off the engine and ignition before any harness connectors are disconnected or connected. . This momentary lighting shows the light circuit is working properly. . . . . . . . HYDRAULIC OPERATION DURING ELECTRICAL INTERRUPTION, 4-2. . . . . . Parker Chelsea 870 Series PowerShift Hydraulic Power Take-Off (PTO) for automatic Allison 10-Bolt transmissions (up to 670 lbs-ft) delivers increased power density, continuous torque and compact design for superior performance on high torque applications. . Additional copies of this publication may be purchased from authorized Allison Transmission service outlets. . . . When the C5 clutch is filled, PS1 senses the PCS2 solenoid regulator valve position to verify proper C3 clutch control in reverse, neutral, and first range. . Remember to do the following when testing for shorts and opens: Minimize movement of wiring harnesses when looking for shorts. . . Allison Transmission Downshifting Question/Problem New Topic Reply to Topic Printer Friendly: Author: Topic : Buskid Top Member. . . . . . . Take advantage of our extensive warranty coverage to have your transmissions fixed or replaced with new models. . . . BEGINNING THE TROUBLESHOOTING PROCESS, 3-7. . . . Maximum Allowable Transmission Fluid Temperature. . . . . . Dont keep driving a vehicle with a faulty part! If the complaint does not return, leave the original TCM installed. MagiKey is a registered trademark of NEXIQ Technologies, Inc. Teflon is a registered trademark of the DuPont Corporation. . . . . . . SCTI recognizes AT, manufacturers, and SCTI part numbers. . These warnings and cautions are not exhaustive. . . . . Suprman said: I have a few Allison transmissions. One end of the cable is attached to the engine fuel lever and the other, inside a protective housing, to the TPS potentiometer. . . The full-function pushbutton shift selector has. . . . . . . . . . . . . . . . Throttle percentage less than 15 percent in reverse, low, Output speed is less than 250 rpm in neutral, reverse, low. . . . . iv SHIFT SELECTOR TERMS AND DISPLAY INDICATIONS. . . . . . Pressure Switch 2 (PS2), also known as the Filter Life Switch, is used to monitor the pressure difference between main pressure before the filter and lockup clutch pressure as a method to monitor the main filter for excessive filter restriction. . 119, 21. . Polyethylene 540 m/s. . . . . ABBREVIATIONS . . Web hino plug and play pto harness for allison transmissions installation operator s manual wiring diagram troubleshooting working through the bugs iii waste advantage. . . . . . . . . Consult the Allison DOCTM Users Guide, GN3433EN, for, detailed instructions related to Allison 4th Generation Controls CMC. . Codes related to the CHECK TRANS light are detailed in the diagnostic trouble code chart (refer to Section 6). . 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). Description of diagnostic codes, system responses to faults, and troubleshooting. Typical Allison 4th Generation Shift Selectors, 14. . . . . . . 15, 14. . . . . There is no limit to the number of engine starts for autodetection of the throttle source until a confidence flag is set for a source. . . . . . . . . . . Refer to the troubleshooting chart for the possible cause(s) of the problem. . The diagnostic pressure switch PS1 is mounted on the solenoid valve body assembly and performs the following two functions: When the C5 clutch is filled, PS1 senses the PCS2 solenoid regulator valve position to verify proper C3 clutch control in reverse, neutral, and first range. . . . . . Furthermore, TID only works when the controller and transmission have the same generation controls. . . requiring 400 to 2400 horsepower engines. . 55, 54. . . . . . . 4.Review the Allison 4th Generation Controls wire numbering system described in Paragraph 34. . . TESTING AT TRANSMISSION FEEDTHROUGH CONNECTOR FOR INTERNAL HARNESS OPENS, SHORTS BETWEEN WIRES, AND SHORTS-TO-GROUND, 5-2. . However, you may actually be experiencing a failsafe instead. . . . If the engine is not supported, the TCM will lock to a non-SEM state. . . . . . Description of diagnostic codes, system responses to faults, and troubleshooting. The TPS contains a pull actuation cable and a potentiometer. . . Learn how you can ensure the performance and durability of your Allison transmission. . . After the OLS circuit is repaired, reset autodetect or manually select the OLS function using the Allison DOC For PCService Tool. . . . . . . . . . ELECTRONIC FLUID LEVEL READING (SHIFT SELECTOR), 6-4. When the TCM detects a serious fault, the CHECK TRANS light (usually located on the vehicle instrument panel) illuminates and action is automatically taken to protect operator, vehicle, and the transmission. . . . . A. Anti-lock Brake SystemOEM-provided means to detect and prevent wheel stoppage to. Determine if DTCs have set by: Using the shift selector display (see Paragraph. . . . . . . . . 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. . . . Second, mount the adapter with proper backlash to the transmission. . . . . Dry Air (can vary depending on humidity) 346 m/s. Autoselect is deactivated following the first 20 engine starts where engine and transmission communication are present. . . . Disconnecting and reconnecting the TCM can often correct faulty wiring harness connections that may have been present. . . . . Whenever a transmission is overhauled, exchanged, or has undergone internal repairs, the TCM MUST. . . . . . . . . We can rebuild or repair your Chelsea PTO or Muncie PTO off your Allison Transmission for you if you'd like. . This date is commonly used to denote the change configuration level of the TCM. There are three full-function pushbutton shift selectors and a strip pushbutton shift selector. . . 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. Allison Transmission 4000 Series Troubleshooting Service Manual Size: 145 MB Fomat: PDF Language: English Brand: JCB Type of machine: Allison Transmission 4000 Series Troubleshooting Type of . Resistance tests involving wiring between the TCM connector and other components adds about one Ohm of resistance to the component resistance shown. . . . . . . 31 33. . . . Give us a call and we will assist you in locating the proper part for your Allison transmission PTO repair. . . . The solenoids produce an output pressure that is proportional to current from the TCM. . . 3.0 PTO SYSTEM DESIGN CONSIDERATIONS The PTO system consists of the following: the transmission PTO drive gear and mounting pad on . . . . Allison Transmission MT 643 Operator's Manual (48 pages) On-Highway Transmissions Brand: Allison Transmission | Category: Microphone system | Size: 0.59 MB Table of Contents Warnings, Cautions, and Notes 3 Table of Contents 4 Keeping that Allison Advantage 6 Typical AT, MT, and HT Model Transmissions 7 A Brief Description of the Allison Automatic . . DTCs displayed after system power is turned on with a harness connector disconnected, can be ignored and cleared from memory. . . . . . . . . . Autodetect is active on the first 25 engine starts and, in the case of throttle source detection logic, may continue past 25 ignition cycles until a valid source is determined (details follow in A through D below). . 117 C. Throttle Source . . . . . . . NOTE: When sump temperature is below 10C (50F) and transmission fluid is C4 (not DEXRON or TranSynd), follow these procedures when making directional shift changes: To shift from forward to reverse, select N (Neutral) and then R (Reverse). Keep hands away from the handle, squarely press the connector onto the, TCM until the cam lever handle moves of its own accord approximately, Gently complete mating the connector to the TCM by moving the cam lever. . Owning Continue reading Allison Automatic Transmission Wiring . 62 63. . . . . . . . . . . . Remove the 80-way connector from the suspect TCM; inspect the connector for damaged or bent pins. . . . . Using genuine Muncie repair parts is key to the life of your PTO. The service procedures recommended by Allison Transmission and described in this manual are effective methods for performing troubleshooting operations. 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. . . . Use this manual as an aid to troubleshooting the Allison 4th Generation Controls. PTO requires minimum 65 PSI. . . . . . . . . . . . . . . . Common Allison 3000 Transmission Problems. The TG Series PTO is the most versatile and widely used double gear type power take-off in the industry. Remember that some problems may be temperature related. . . Give us a call at 877-776-4600 or 407-872-1901. 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. . This mode is triggered by anything that could cause severe damage to the transmission, including severe overheating or towing a very heavy load. NOTE: Please refer to Paragraph 35 to begin the troubleshooting process. . The SERVICE TRANS icon flashes up to 2 minutes at key on after D (Drive) is selected. . . . . Terminals may have been bent or lost the necessary tension to maintain firm contact. . . Modulated main pressure results in improved cooler flow and reduced pump losses when throttle position and output speed is low. If an OLS is known to be present, but has not been detected, troubleshooting the OLS circuit is required. . . . . The solenoid regulator valves are controlled by solenoids that control transmission clutch application. . . . . Both types have the same part number 23014539. . . . . . . . . . . . . . If it appears to functioning p[roperly, run the engine at 12001500 rpm with the transmission in N (Neutral). . . . Reset by using the specific Action Request in the Allison DOC For PCService Tool . . 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. . . . Because of the time lag involved with writing and printing processes, the transmission TCM may report a code that has not yet been added to this document. . . . . . . . The Filter Life Valve strokes because of the higher main pressure (before the filter). . If a vehicle receives upgraded engine hardware or software it may become necessary to reactivate the Autoselect feature to redetect the engine current SEM status. . . 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). However, there are instances when the . . If the code reappears, refer to Section 6, Diagnostic Trouble Code, and the appropriate code chart. The TCM (Figure 13) contains the microcomputer which is the brain of the control system. . . . . To shift from reverse to forward, select N (Neutral) and then D (Drive) or other forward range. . . . . The service procedures recommended by Allison Transmission and described in this manual are effective methods for performing troubleshooting operations. . . Please use these SILs to obtain up-to-date information concerning Allison Transmission products. . . . . . . . 63 64. . . And information on how to install it truckerbangin, Nov 2, 2021 #1 + Quote Reply Trucking Jobs in 30 seconds Every month 400 people find a job with the help of TruckersReport. . That range will be shown on the shift selector display. . . . . MGU Transmission, Allison 10-Speed automatic with integrated Power Take-Off (PTO) . . . . . . . . . . . . . . . . 2.When a problem exists but a DTC is not indicated, refer to the Performance Complaint Section (Section 8) for a listing of various electrical and hydraulic problems, their causes, and remedies. . . . . The lamp strategy for the icon varies, either flashing, or steady, to indicate to the operator which function detected the threshold value was reached. . . . . . . . . . The Allison 4th Generation controls system includes a main modulation solenoid. . . If you encounter a code that is not yet in this publication, please call Allison Transmission. . . . . . It depends on the transmission and PTO. . . This can be discovered by using HY25-3000/US Applications Catalog. . . . . . . . The Prognostics pressure switch is activated when fluid exiting the main filter drops below a predetermined pressure. . . . . . Trying to find out how a pto works on the Allison transmission. When the main filter gets excessively restricted by debris, lockup pressure drops. The Allison Transmission 9000 Series is designed for extreme operating conditions in highly demanding applications up to 1,939 kW (2,600 hp). . . . . . 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). . . . . . . . . . . Autodetect searches for the presence of pressure control solenoid 5 (PCS5) to the retarder during the first 35 engine ignition cycles. . . Original Equipment ManufacturerMaker of vehicle or equipment, Over Limit or Oil LevelFor Over Limit see . . Muncie PTO Parts Manual Downloads. . . The TCM uses a single 80-way connector, which is used to receive input from the following: Many harnesses will include a bulkhead fitting to separate cab and chassis components. . . . . . . NOTE: The Filter Life Monitor triggers the SERVICE TRANS icon following a reset if the Filter Life indicator switch reopens. . . . . . . . . . . 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. All you need is your PTO series number to get started. . . Then, mount the PTO to the adapter with the correct gasket which you set aside. . . . . . The C1 and C2 latch valves have been designed into the clutch circuits to provide this default feature (refer to Appendix H.). 34 36. . . . . NOTE: All external harnesses are OEM supplied. . 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. . . . Refer to Section 5-2 for this procedure. . . . . Reviewing the Table of Contents will aid you in quickly locating information. . Shorts involve. . . . . . . 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Diagram troubleshooting working through the bugs iii waste advantage will aid you in quickly information.