20-WAY TRANSMISSION FEEDTHROUGH HARNESS CONNECTOR, Figure 12. . . . . . . . The Transmission Rebuilders Network is the place where the industries best transmission rebuilders work together to help solve the most complex automatic transmission problems. . . . Repair parts for the internal wiring harness and for wiring harness components attached to the shift selector will be available through the Allison Transmission Parts Distribution Center (PDC). . . 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). . . . . . . will last you a very long time with few problems. . drive gear rating (continuous operation) Using one PTO: 930 Nm. . . . . Control System Prognostics Operation and Display. . Care should be taken when welding on a vehicle equipped with electronic controls. . . If the replacement TCM corrects the original complaint, reinstall the original TCM to verify that the complaint returns. . . . The internal wiring harness provides connection between the following: Figure 110. Working underneath the truck while it was still running, a protruding set screw on the PTO drive shaft caught the collar of his coveralls and quickly entangled him. Engine-driven helical gear. . . . . . . No continuity in a jumpered pair circuit (infinite resistance reading) indicates an open in the wire being tested. . . Wiggle connectors, harnesses, and splices when looking for opens. . . . . . . . . . The TCM issues commands to various solenoids in the two valve bodies to govern fluid flow to the clutches (including torque converter clutch). . . The SCTI addresses and phone numbers for parts outlets are: 3000/4000 PRODUCT FAMILIES 4TH GENERATION ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL. . . th. . Resistance tests involving wiring between the TCM connector and other components adds about one Ohm of resistance to the component resistance shown. This discussion is proudly sponsored by: Please support our sponsors and let them know you heard about their products on iRV2 Thread Tools Join the #1 RV Forum Today - It's Totally Free! This is the date when the TCM passed final testing. . . . If resets are restricted to the service tool, the selector will not be able to reset the function. . . . . 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. . . Common Allison 3000 Transmission Problems. . . . . . . . This should reduce the transmission and engine temperature to normal operating levels in two to three minutes. Multiple throttle sources can be detected on a single engine start and multiple confidence flags can be set. . Allison 9000 Series transmissions have up to 8 forward speeds plus a maximum of two reverse . 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. . . . . . 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. . The technician should also have the mechanical aptitude required to connect pressure gauges or transducers to identified pressure ports used in the troubleshooting process. . Modulated main pressure results in improved cooler flow and reduced pump losses when throttle position and output speed is low. SPECIAL ELECTRONIC/ELECTRICAL TOOLS, 2-2. 51 52. . . . . . Repair parts for the internal wiring harness and for wiring harness components attached to the shift selector will be available through the Allison Transmission Parts Distribution Center (PDC). . Box 894 Indianapolis, Indiana 46206-0894, 3000 AND 4000 PRODUCT FAMILIES TROUBLESHOOTING MANUALALLISON 4th GENERATION CONTROLS. . . . Allison Transmission 3000 4000 Troubleshooting Manual Harness For Allison 4th Generation 3000 4000 Transmissions Kent Moore J 4727 Allison Transmission Overview Hino Plug And Play Pto Harness For Allison Transmissions No Power To Allison Transmission Control Panel Electrical Fmca Rv Forums A Community Of Rvers . . . . . If you find yourself stuck in third gear with this model of transmission, its probably time to have it rebuilt. . . . . Allison DOC For PCService Tool shows PS2 PRESSURIZED. The strip pushbutton shift selector has either three or six range selection positions as shown in Figure 14. . . . . . . . . . Refer to Section 6, Diagnostic Trouble Codes, for the code clearing procedure. . SPEED SENSORS. . . . . . . OM Reset: The function may be reset by one of the following methods: NOTE: Prognostic information can only be reset in the higher of two shift schedules, if applicable. Use the P/N from your appropriate parts catalog or from Appendix E in this manual. Diagnostic and oil level (if sensor is present) information is obtained from the LED display by pressing the display mode button. . Main mod may be commanded ON in neutral at any throttle position. . The TPS contains a pull actuation cable and a potentiometer. . . . . . . . 58, 61. . . . The four items above are the only CMCs that are autodetectable. . . . . . . . . . The crates are all stamped with nsn 2520-01-257-3880. Test the harness for shorts between wires and shorts-to-ground by performing the following (Figure 42): (1)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 TransID feature enables the TCM to recognize various transmission hardware configurations and select an appropriate software calibration. . Dont let a transmission in need of repairs bring your workplace to a halt! All you need is your PTO series number to get started. . . Check for contaminates in air cylinder. . . . . . . . Repair parts for the external harnesses and external harness components must be obtained from St. Clair Technologies Inc. (SCTI). 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. . . Engage PTO, raise box, push clutch in, put in gear, and . The Allison DOC For PCService Tool can also be used to override autodetect and manually enter the component or sensor to be recognized by the TCM by changing appropriate customer modifiable constants (CMC). . The service tool manufacturer will furnish instructions for using the tools or equipment. . . . . . TRANSMISSION CONTROL MODULE (TCM) . . . . . . . . . . . . . . 7200 Ertel Lane . . . . . . However, there may be a small chance that transmission performance, shift quality, or codes may result from the use of different models within the same engine family or when a recalibration of engine software has taken place. Changes in sump fluid temperature are indicated by changes in sensor resistance, which changes the signal sent to the TCM. . . . The Allison 4th Generation Series transmission control module contains a main body assembly and solenoid valve body assembly, which are mounted to an aluminum channel plate. Contact your Allison Transmission represen-tative if you do not have access to the Allison Transmission Extranet. . . . . . Figure 19. . . Thoroughly clean corroded or dirty terminals. . . . Allison DOC For PCService Tool shows PS2 EXHAUSTED. . . . the Allison DOC For PCService Tool to reset retarder autodetect or to manually select the presence of the retarder after the PCS5 circuit is repaired. . . . . 53 53. Even if the vehicle is moving. . . . . . R1. . . 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. The root cause of a problem as well as the symptom must be corrected to be sure of trouble-free operation. . . Refer to the Table 31 for temperature restrictions. . . . . . Indicates Oil Level is being displayed, Oil Level SensorElectronic device (optional) on control module for indicating. . . . . . The 3700 SP, 4700 RDS, 4700/ 4800 EVS, 4700/4800 SP, and 4700 OFS have up to seven forward ranges and one reverse. . ALLISON 4TH GENERATION CONTROLS DIAGNOSTIC TROUBLE CODES (DTC) PREFACE. . . . . . . . . . . . . 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. Learn how you can ensure the performance and durability of your Allison transmission. . . . . This can be discovered by using HY25-3000/US Applications Catalog. . . . . . . . . . . . The Allison transmission 1000 model has a feature called limp mode, in which the transmission locks itself into third gear. . . . . . . . . . Output voltage from the TPS is directed to the TCM through the external harness. . Failure to perform maintenance and reset the SERVICE TRANS indicator within a specified period results in the illumination of the CHECK TRANS light and DTC P0897, Transmission Fluid Deteriorated, being set. . . . Allison Transmission (AT) is responsible for warranty on these parts. A full-function shift selector has a MODE button and diagnostic display capability through the dual digit vacuum fluorescent (VF) display. . . Look in your telephone directory under the heading of Transmissions Truck, Tractor, etc. . Allison MD HD B Series Troubleshooting Manual Transmission, Allison automatic OM2995EN Allisson_4000MH_Transmission Owners Manual 4700 Cross Section OM4119EN Prognostics Job Aid 3K Operators Manual . revision, for detailed information on the recommended cleaners. Output speed is less than 250 rpm in neutral, reverse, low (7-speed), first, or second range. . We make every effort to keep our service information current and accurate. . . . . . . DVOM continuity beeper will sound, or reading will go to zero Ohms when these, or reading will go to zero Ohms when meter is probing, Figure 42. . . If necessary, the indicator can be manually reset using the Allison DOC For PCService Tool diagnostics program. . . High transmission fluid levels and a failed vacuum modulator may throw fluid out in an Allison transmission. Table 31. . . . Always blow or shake any excess cleaner from, the connector before assembling it to its mating connector or hardware. . . . . To service Allison 4th Generation Controls, the technician must understand basic electrical concepts. . . . . . . . . . . . . . . . . . . 3000 AND 4000 PRODUCT FAMILIES WIRING SCHEMATIC. . . . . . . . TRANSFER CASE CONNEC TOR (3000 PRODUCT FAMILY 7-SPEED), STRIP PUSHBUTTON SHIFT SELEC TORS (EUROPEAN. . . . H1 J. N1 P. INPUT/OUTPUT FUNCTIONS . . 71 72. . . . If an OLS is known to be present, but has not been detected, troubleshooting the OLS circuit is required. . . . . 43, 51. . anyone need wiring. When a strip pushbutton shift selector is used, diagnostic information must be obtained by using the Allison DOC For PCService Tool, or a customer-supplied remote display. . . . 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. . . . . . . ALLISON TRANSMISSION DIAGNOSTIC TOOL. . If the light does not come on during engine start, request service immediately. . Engine speed less than 1200 rpm in all ranges except neutral. . . . . . . . Terminals may have been bent or lost the necessary tension to maintain firm contact. Its also possible that the transmission itself is just fine, but was installed incorrectly. . . Buy Now. . According to John Hylton, application engineering, Allison Transmission, "The PTO gears are in constant mesh with the transmission gears after installation. . . How do you run a dump with a stick trans? . . Table 33 lists the operating range and pre-determined default range the transmission will shift to in the event of an electrical interruption. . The display message indicates the operating status of the transmission main filter, based on the measured pressure drop across the filter. . If the pto light in the dash cluster ( has to be the one in the cluster) is on , then the VECU should be getting the " PTO on" signal and operate as per the Pto parameters that were programmed in the VECU ( Vechicle control unit) . . When the C5 clutch is exhausted, as in second through sixth ranges, PS1 verifies the position of the C1 and C2 latch valves. . . . Use the P/N from your appropriate parts catalog or from Appendix E in this manual. . . . The PTO input to the TCM indicates the PTO is OFF. . . Repair parts for the external harnesses and external harness components must be obtained from St. Clair Technologies Inc. (SCTI). . . . . SHIFT SELECTOR . Suprman said: I have a few Allison transmissions. . The Filter Life Valve is de-stroked off the return spring in this condition because lockup pressure is high enough to keep main pressure (before the filter) from stroking the valve. . . . . . . . . could result in damage to or destruction of equipment. . . . . . 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. . . . . iv, 11. . Refer to the troubleshooting chart for the possible cause(s) of the problem. . . . . . . . . . . . . Failure to follow these procedures may cause illumination of the CHECK TRANS light and the transmission will be restricted to N (Neutral). . . . . . . . Additional details for each of the four autodetectable features are given below. . . Message over the SAE J1939 communication interface. Even when operation is restricted, the vehicle can be operated to reach a service assistance location. MEASURING CLUTCH AND RETARDER PRESSURES . . . . . . . Diagnostic information is obtained by pressing the (Up) and (Down) arrow buttons at the same time. . . The rest is in the PCM. . The 3000 and 4000 Product Families transmissions configurations can be programmed to have up to six forward ranges, neutral, and one reverse range. . . SCTI provides parts to any Allison customer or OEM and is responsible for warranty on these parts. . . . . TESTING FOR OPENS, SHORTS BETWEEN WIRES, AND SHORTS-TO-GROUND. . . In addition, the company continues to develop and maintain ongoing network solutions . . . USA 3368 Posts. . . . . Remember to do the following when testing for shorts and opens: Minimize movement of wiring harnesses when looking for shorts. Determine if DTCs have set by: Using the shift selector display (see Paragraph. . . . . . . . 34 36. . Hot Check Procedure. We have PTOs for the Allison 1000, 2000, 3000, and 4000 series and more. Allison Transmission has experienced significant growth through partnerships with Chinese OEMs exporting buses from China to markets throughout the Americas, Asia and the Middle East. The transmission may be locked in a range. . . . . Maximum Allowable Transmission Fluid Temperature. . . . . . For example, Code P0960, indicates an open in the pressure control solenoid circuit, wires 111 and 174. . . . . Shorts involve. Manual resets may also be performed by one of the following methods: With the ignition ON and the engine OFF, shift between N R N R N D N to reset the value displayed on the shift selector to OK. Display the Filter Life Monitor information and press and hold the MODE button of the Allison shift selector for 10 seconds. During an electrical interruption, the latch valves and two normally high, PCS1 and PCS2, enable the transmission to operate in a limp mode, allowing the operator to drive the vehicle to a location where it can be serviced. . . . C1 D. WIRE/CONNECTOR CHART . . . . . . 56 B. . . . For example, taping a wire that has been rubbing on a frame rail will not correct the problem unless the rubbing contact is eliminated. . . M1 N. ALLISON DOC FOR PCSERVICE TOOL. . . . . . . . . Examples are wheelchair lift not stored and service brakes not applied (service brake interlock present). . . . . Transmission Fluid The hard shifting problem is often linked with low transmission fluid levels. Available with GVWs greater than 19.5K. . . . Be sure to review and observe any vehicle system information provided by the vehicle manufacturer and/or body builder at all times the Allison transmission is being serviced. . The . . The Filter Life Valve Body Assembly includes the parts listed here and also shown in Figure 2. . . . . . . . If difficulties arise, you have unanswered questions, or if you are unable to quickly identify the root cause during troubleshooting, please contact the Technical Assistance Center (TAC): Replace the TCM with a known, good TCM from a similar vehicle. . . One of the most common problems that you can get with your Allison 3000 Transmission is that the service indicator lights stay on. . Topics include Power Take-Off (PTO) operation, shift selectors, prognostics, diagnostics, care and maintenance and even driving tips. . . . . . . NVL is, attained by turning D solenoid ON (in addition to E solenoid) and the C4 and C5. J1 K. SOLENOID RESISTANCE CHARTS . . . . . . . . . . Circuit has continuity. . . 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. . This feature is not functional until transmission sump temperatures are between 40150C (105302F). Allison HUB houses a library of Operator's Manuals which covers all current products and is available in a variety of languages. . . .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. . . . Custom Tuning is not included in the purchase price but is offered seperately at the hourly rate of $50.00/hr. . . . The microcomputer is an independent controller and is referred to as a Transmission Control Module (TCM). . . Fax 713.466.9839 field pumping and fracturing units, off-highway trucks, agricultural tractors, scrapers, and winch units such as those on derricks, cranes, and ship anchors. . . . Foreign Material . 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. . . . TCM Reprogramming tab, used to enable the reprogramming capability of the Allison DOC For. . . NOTE: Is used when an operating procedure, practice, etc., is essential to highlight. . . . . The TCM may activate the main mod solenoid for improved clutch control and transmission response during other unusual operating situations. 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 Cold Check Procedure . . . The SERVICE TRANS indicator illuminates briefly following a reset to acknowledge the reset was successful. . . . . . . . . . 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. Take advantage of our extensive warranty coverage to have your transmissions fixed or replaced with new models. . . . . . . . . . . . . . . The PTO is optional on the 10-speed "Allison . . . . 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. If the engine temperature gauge indicates a high temperature, the transmission is probably overheated. . . Give us a call at 877-776-4600 or 407-872-1901. . . . . . . TCMs are available in both 12V and 12/24V configurations to match the configuration of the vehicle electrical system. . All TCMs programmed and sold after that date will be loaded with the new TID calibration. . . . . . . Filter Life Valve Hydraulic Schematic. If your implement/pump will fit, it is PTO capable. . . Repair parts for the external harnesses and external harness components must be obtained from St. Clair Technologies Inc. (SCTI). . . . . . . Check with your Allison Transmission service outlet for the currently applicable publication. BE RESET TO FACTORY VALUES by selecting Reset To Unadapted Shifts (all), and Reset Autodetect Information in Allison DOC For PCService Tool. . . The service procedures recommended by Allison Transmission and described in this manual are effective methods for performing troubleshooting operations. If you find yourself stuck in third gear with this model of transmission, its probably time to, Allison transmissions built in the mid-2000s had a recall issued for their TCM module. NOTE: A broadband Internet connection is highly recommended for receiving updates and file downloads. . . Transmission Control Module (TCM). . 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). . This opens the PS2 and voltage is sensed on wire 118. If display is flashing, shift is inhibited. . . . . . . . Both upshifts and downshifts may be restricted when the CHECK TRANS light is illuminated. Refer to the appropriate service manual for valve locations. . . . 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. . Owning Continue reading Allison Automatic Transmission Wiring . . . . . If the complaint is confirmed. . . . . . . . . . . . Trying to find out how a pto works on the Allison transmission. . . . Disconnecting and reconnecting the TCM can often correct faulty wiring harness connections that may have been present. . . . . . Rebuilt, New and Used Allison transmission Power Take Offs from Parker Chelsea, Muncie and More. . . . . . . . . . . . Be sure to determine that the retarder is functioning properly, WARNING: immediately after the 35th engine start. . . Allison Wtec Iii Electrical Circuit Diagram Pdf Allison Transmission 3000 4000 Troubleshooting Manual Allison Transmission 3000 Vocational Models 3000hs 3000rds 3000evs 3000mh 3000pts 3000trv 3200sp 3200trv 3500rds 3500evs 3500sp Increase Pto Lifespan And Torque Capacity Hino Plug And Play Pto Harness For Allison Transmissions . . This mode is triggered by anything that could cause severe damage to the transmission, including severe overheating or towing a very heavy load. . . . . . This will also improve your vehicles overall functionality! . . . . If the problem recurs, proceed with Step (4). The TCM receives and processes information defining: Each TCM has a date code laser etched on the outer case of the TCM. . . . . It will be built in-house by General Motors and simply features Allison branding. . . Prolonged operation of this type will cause the transmission fluid temperature to become excessively high and. Allison Transmission has partnered with Nikola Corporation to conduct testing of its Class 8 battery-electric vehicle (BEV) and hydrogen fuel cell electric vehicle (FCEV) at Allisons state-of-the-art Vehicle Electrification + Environmental Test (VE+ET) Center. 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. Check wiring for damaged/melted wires. . . . . . . . . . . Description of the 3000 and 4000 Product Families Allison 4. . . Copeland International, Inc. . . . . . . . . . Internet connection capability with Internet Explorer 5.0.1 or greater. . . . . . . . . . . 119, 21. . . . . 1 o'clock position: 1.00 x engine speed. . . . . . . . . . . . . . Allison Transmission at the International Commercial Vehicle Fair IAA introduced a new 9-speed gearbox and announced the expansion of its electric drive solution portfolio. . . . . Applications are diverse and include oil-. . . During normal transmission operation, illumination of the LED indicator shows that a secondary or special operating condition has been selected by pressing the MODE button. . . . The default system enables the transmission to revert to total hydraulic operation and provides safe operation during an electrical interruption by shifting to a specific pre-determined range. . . . . . . This wiring configuration is designated TID A. . . . . The first place to look when troubleshooting a P.T.O. . . . Terminals may have been bent or lost the necessary tension to maintain firm contact. Then, mount the PTO to the adapter with the correct gasket which you set aside. (Display occurs one character at a time. . . Repeated or premature failure may be a sign of an incorrect application. . 5VDC supplied by the TCM. . . . The VIM for 24V systems has all 24V relays. . . . . . . . . The PTO is driven off the torque converter turbine and is rated for 250 lb-ft of torque. . Repair parts for the external harnesses and external harness components must be obtained from St. Clair Technologies Inc. (SCTI). . If the complaint does not return, leave the original TCM installed. . . 32 35. . . . They were intended for Oshkosh Hemtt use. Welcome to the TS3989EN Troubleshooting Manual. . . . . . If the ignition cycle counter completes the 35 cycles before there are three consecutive detections of a retarder, the software will log that there is no retarder and the retarder autodetect logic will stop. IMPORTANT INFORMATION IN THE TROUBLESHOOTING PROCESS. . . . . Illumination of the CHECK TRANS light indicates that a condition was detected that requires service attention. This simulates vehicle movements which occur during actual operation. . Is your Allison transmission giving you trouble? . 158) all use a 1 for the first digit and the pin-out information at the TCM for the second and third digits. . . . 21 22. . . . . . . C.Operation of Filter Life Valve and Pressure Switch (PS2). All Allison transmissions are PTO ready. This publication is revised periodically to include improvements, new models, special tools, and procedures. . . Typical Allison 4th Generation Control Components. . These warnings and cautions advise against using specific service procedures that can result in personal injury, equipment damage, or cause the equipment to become unsafe. . . . . . . . . . . . . THROTTLE POSITION SENSOR (Figure 15). . . . . . TCM DIAGNOSTIC PROCEDURE . Some procedures require using specially designed tools. Allison 4th Generation Control Mudules with Prognostics. Reset by using the specific Action Request in the Allison DOC For PCService Tool . . . . . Determine the fluid level before beginning the OLS troubleshooting. Internal Wiring Harness . . 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. . . The sensor operates on. . . . . Wiggle connectors, harnesses, and splices when looking for opens. . . . . K1 L. EXTERNALLY-GENERATED ELECTRONIC INTERFERENCE. Re-install shift cover. . . . . Second, mount the adapter with proper backlash to the transmission. 57 56 KEEPING FLUID CLEAN . . . . . . . . . . . . Check phasing, angularity, and slip movement of driveshaft. Refer to the appropriate parts catalog for the transmission assembly number that you are servicing for detailed parts information. . . 36, 41. . . . . . Refer to Section 6. . . . . . . . . . The Throttle Position Sensor (TPS) can be mounted to the engine, chassis, or transmission. . Make sure all updates listed in this section and all other requirements are met prior to using the Prognostics features. Isolate and repair the short. . . . . . . . . . . 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. . . When the . . . . . Figure 15. . . . . Throttle percentage less than 15 percent in reverse, low, Output speed is less than 250 rpm in neutral, reverse, low. . . . Shift Energy Management (SEM) Autoselect feature may be used on certain transmissions. . . . . . . . . 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. . Codes related to the CHECK TRANS light are detailed in the diagnostic trouble code chart (refer to Section 6). . . The MODE button is pressed to select a secondary or special operating condition, such as ECONOMY shift schedule. The hold override button must be pressed when shifting between R, N, and D. The hold override button is released when the desired selector position is reached. . 5.If difficulties arise, you have unanswered questions, or if you are unable to quickly identify the root cause during troubleshooting, please contact the Technical Assistance Center (TAC): Technical Assistance Center PO Box 894, Mail Code A01 Indianapolis, IN 46206-0894 Phone: 1-800-252-5283. . . . . . . When disconnecting a harness connector, be sure the pulling force is applied to the connector itself and not the wires extending from the connector. . . . . . . . FM History: Use the Allison DOC For PCService Tool to display the amount of transmission operation from the initial service indication until the service reset. . . . Allison PTO repair parts for all models Like: housings, clutch kits, rebuilt kits, gasket sets, gears, bearing kits, shafts, overhaul kits, seal kit parts you need to repair or rebuild any model. . . This occurs when the remaining clutch life reaches. . . . . . . . Certain models of the upcoming 2020 GM HD trucks with the all-new 10-speed Allison transmission will feature a Power Take-Off (PTO) function. . . NOTE: Information concerning specific items is contained in the appendices located in the back of this manual. . . Allison Transmission is the worlds largest manufacturer of fully automatic commercial-duty transmissions, and is a leader in hybrid-propulsion systems. . . . . . . . . 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. . . Allison Transmission-Troubleshooting Manual: Allison Transmission-Troubleshooting-Manual-5000-6000-8000-9000: Allison Off-Highway 5000, 6000, 8000, 9000 Series Transmissions Commercial Electronic Controls 2 (CEC 2) M 5610A, M 5610AR S 5610H, S 5610NR, S 5610M M 6610A, M 6610AR Find a facility My Transmission . . . 1. The ER Saf -T- liner Pusher buses all came equipped with 3000 series transmissions and for the most part they were very reliable. Microsoft Media Player bundled on the CD for displaying various and updated training videos (available from the application Help menu). . . . . . . . . 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 code display procedure will indicate the number of times the DTC has occurred. . 112 B. A working knowledge of the Allison 4th Generation Controls vehicle installation is necessary in troubleshooting installation-related problems. . . . . . . When the main filter gets excessively restricted by debris, lockup pressure drops. . . SCTI provides a technical HELPLINE at 519-627-1673 (Wallaceburg). . . SCTI will have parts catalogs available. . . . . . TRANSMISSION . . . . . . . . . . . . . . . . . Jumper between wires produces. . . Polyethylene 540 m/s. . . . . . . Three speed sensorsengine speed, turbine speed, and output speedprovide information to the TCM. . . Also, be sure to review and observe WARNINGS, CAUTIONS, and NOTES provided by the vehicle manufacturer and/or body builder before servicing the Allison transmission in that vehicle. Refer to Section 5-2 for this procedure. . . . TG Series PTO . . . 63 64. . . . . . . . . When installed on the users own PC, it will allow the technician to acquire data from the transmissions control system and through the use of embedded troubleshooting manuals, conduct systematic troubleshooting of transmission complaints. . The PTO input to the TCM indicates the PTO is OFF. If temperatures do not decrease, reduce the engine rpm. Use the Allison shift selector to review the current status of any of these functions, provided the function being checked is in its specific display mode. . . . . . . Allison DOC For PCService Tool uses a Windows style graphical user interface (GUI) and includes: User selected views of multiple transmission parameters, Active and historical diagnostic trouble codes (DTCs), Graphical instrument panel view of transmission parameters, Code driven links to embedded Allison 4th Generation Control System Troubleshooting Manuals, Reprogramming capability (available after satisfying Allison Transmission training certification requirements), Demo Mode which allows the user to practice the program without being connected to a vehicle, New animated screen by screen help support (found in Help, Video-based training materials, Allison DOC For PCService Tool Training Videos). Purpose . . Houston, Tx 77040, Phone 713.466.9838 . Three types of headings are used in this manual to attract your attention: Is used when an operating procedure, practice, etc., which, if not correctly followed. . . Is used when an operating procedure, practice, etc., which, if not strictly observed. . . . . . . . . 13 13. . . * A power take-off (PTO) is optional on the Allison 1000 in the 3500 cab and chassis trucks. . . . The voltage signal indicates the throttle position and, in combination with other input data, determines shift timing. Description of the electronic control system components. . The appendices are referred to throughout the manual. . . . . . . . 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. . Then the TCM concludes that no OLS is present. Hit the up and down arrows on the Allison shift pad at the same time. Failure to do so could cause damage to the internal latching mechanism. . Also, many different styles and materials for harnesses are likely to be encountered. . . . SHIFT SELECTOR DISPLAYS RELATED TO ACTIVE CODES, 6-5. The VIM for 12V systems uses all 12V relays. If the code reappears, refer to Section 6, Diagnostic Trouble Code, and the appropriate code chart. Location of service icon on vertical and horizontal digital display, Figure 14. . . . . . . . . . . . . . . . . . . . . . NOTE: Most engine upgrades are same type/rating; under normal circumstances there should be no reason to reset the TCM Autoselect. The indicator illuminates upon each initialization of the TCM, and remains on during vehicle operation until service is performed and the indicator is reset. . . . 112 A. . . Refer to Appendix A if a circuit problem is suspected. To install pto and wire in switch. . . . Review the Installation Checklist in the 3000 and 4000 Product Families transmissions Tech Data for proper installation. . . . . 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 . . . . Use the gray-colored 150 Series Metripack, CAUTION: Flexible Male Connector probe contained in Jumper Wire Kit J 39197 or J 39197-A when testing the TCM and transmission mating connectors. . . . . . . . . . . A loose dipstick, clogged breather, improper dipstick marking and water in the transmission are also probable causes of the problem. . . . . . . . . . . . . . . . . . . . . . Use the P/N from your appropriate parts catalog or from Appendix E in this manual. . But things may go wrong rather unexpectedly. . . . . . b.If the continuity test is good (02 Ohms resistance), remove the jumpers. . . . . Start the truck engine (with PTO and transmission in neutral) for only a few seconds and listen for any unusual noises. These applications include oil pumping, fracking, cranes & winches as well as specialized off-highway trucks. . PTO requires minimum 65 PSI. . . . . Allison Transmission is responsible for warranty on these parts. . . . . . . . . . . . 3.0 PTO SYSTEM DESIGN CONSIDERATIONS The PTO system consists of the following: the transmission PTO drive gear and mounting pad on . . 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. . To shift from reverse to forward, select N (Neutral) and then D (Drive) or other forward range. . . . . . . and ask about the replacement process. 114, 18. . . . . . . The system that enables the transmission to default to totally hydraulic operation has been incorporated to minimize the impact of an electrical interruption. . . . . . . . . . ALLISON TRANSMISSION_TS3977EN_Troubleshooting Manual 4th Gen 1000 & 2000 Prod Fam - Free ebook download as PDF File (.pdf), Text File (.txt) or read book online for free. . . 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. . . 20 GB Hard Drive (40 GB or greater recommended), 600 MB free hard drive space required to install the program (after software installation, the operating system requires sufficient free hard disk dpace to run the program), 1 GHz (or greater) 32-bit (x86) or 64-bit (x64) processor, 512 MB of RAM system memory (1 GB recommended), One available USB portUSB 1.1 (USB 2.0 recommended), Full administrative privileges are required to install, update, and run Allison DOC For PCService Tool. . . The lube filter must be changed with the main filter. . . Location: Logan Indiana (Near Cincinnati Ohio) Posts: 751. Most troubleshooting tests consist of determining resistance, continuity, and testing for shorts between wires and to ground. . . . . . . Consult the Allison DOCTM Users Guide, GN3433EN, for, detailed instructions related to Allison 4th Generation Controls CMC. . . .F1 G. WELDING ON VEHICLE/VEHICLE INTERFACE MODULE . . . . . If dirty or corroded terminals are the probable cause of the problems, reconnect the clean connectors and operate the vehicle normally. The engine must be compatible with the transmission rating. . . 32 34. . If the code does not reappear, it may be an intermittent problem. New fluid is displayed as 99 percent. Your Allison transmission could be experiencing a part failure, in which case your best bet is to take advantage of the providers warranty. . . . . . . . . . . . . . . . Reviewing the Table of Contents will aid you in quickly locating information. . shorted-to-ground. 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. . . . . . IT IS YOUR RESPONSIBILITY to be completely familiar with the warnings and cautions used in this manual. . . . . . . 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. DIAGNOSTIC CODE RESPONSE . . . . . . . . . . . . We can rebuild or repair your Chelsea PTO or Muncie PTO off your Allison Transmission for you if you'd like. . . 117 C. Throttle Source . . Zip Class A CDL Experience Please select ALL of your current, valid driver's licenses CDL A CDL B CDL C . Using the Allison DOC For PCService Tool. . . 14 B. . . . . . . Selecting RESET ADAPTIVE SHIFT PARAMETERS will not reset autodetect logic. NOTE: Please refer to Paragraph 35 to begin the troubleshooting process. . Reset is accomplished by using Allison DOC For PCService Tool. . . . . Unfortunately, a driver can't reverse limp mode. The service procedures recommended by Allison Transmission and described in this manual are effective methods for performing troubleshooting operations. . HYDRAULIC OPERATION DURING ELECTRICAL INTERRUPTION. The lamp strategy for the icon varies, either flashing, or steady, to indicate to the operator which function detected the threshold value was reached. . . Additional copies of this publication may be purchased from authorized Allison Transmission service outlets. . 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. . . 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 . . . . Program the PCM for PTO function, and it's a done deal. . . Cleaner, trapped in the connector can affect the connector seal. . Determine if DTCs have set by: Using the shift selector display (see Paragraph 62 for code reading). . . . . . . . . . . . . . 2023 Copeland Allison Transmissions . . . . . . . The Prognostics pressure switch is activated when fluid exiting the main filter drops below a predetermined pressure. . Allison 4th Generation Internal Wiring Harness with Prognostics, 18. . . . . . . . . . . . . . . All Rights Reserved. . . . . . failure is in the application itself. . Posted - 07/31/2008 : 09:53:50 AM . . . 4.Test drive the vehicle to confirm a DTC or performance complaint. . Both the main and lube filters must be changed when the SERVICE TRANS indicates the main filter should be changed. . 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.
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