. . . . . . . . . . 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. . . . . . . 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. . . . . . . Contact your Allison Transmission represen-tative if you do not have access to the Allison Transmission Extranet. iv, 11. . . . . . . . . . Then, mount the PTO to the adapter with the correct gasket which you set aside. . Additional details for each of the four autodetectable features are given below. . . . . Vehicle Interface Module (VIM). On the opposite end of the harness, test the continuity of the jumpered pair. All Allison transmissions are PTO ready. . 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. . . . If the rating is correct for the transmission, perform the following steps. . . . . . . . . . . A working knowledge of the Allison 4th Generation Controls vehicle installation is necessary in troubleshooting installation-related problems. . 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. . . . Q1 R. SAE J1939 COMMUNICATION LINK . . . 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. . . . . . . . . . . . An Over View on Allison Automatic Transmission Wiring We didn't experience the New World Transmissions from Allison until 1995. 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. . If the replacement TCM corrects the original complaint, reinstall the original TCM to verify that the complaint returns. Also, many different styles and materials for harnesses are likely to be encountered. . . . They were intended for Oshkosh Hemtt use. . . . . Most troubleshooting tests consist of determining resistance, continuity, and testing for shorts between wires and to ground. . Connect with us to stay up-to-date on the latest in Allison transmission technology and maintenance advice. . . . iii TRADEMARKS USED IN THIS MANUAL . . . . Do this for both wires in the circuit being tested. When the TCM detects a non-electrical problem while trying to make a shift, the TCM may try that shift a second or third time before setting a DTC. Allison Transmission is the worlds largest manufacturer of fully automatic commercial-duty transmissions, and is a leader in hybrid-propulsion systems. . Purpose . . . Allison 4th Generation Control Mudules with Prognostics. . . Jumpering the wires together creates a circuit between wires 111 and 174. . . . . . RESETTING TCM AUTOSELECT . . The lamp strategy for the icon varies, either flashing, or steady, to indicate to the operator which function detected the threshold value was reached. . . . . . . . Re-install shift cover. Is your Allison transmission giving you trouble? . . . . . . . Copyright 2008 Allison Transmission, Inc. P.O. . . . Use this manual as an aid to troubleshooting the Allison 4th Generation Controls. If temperatures do not decrease, reduce the engine rpm. . . . . . . . . . . . . DEXRON is a registered trademark of General Motors Corporation. . . . . . . . . 614, A. . If during the first 20 starts the TCM recognizes an engine to be on its list of certified engines, it will lock to the SEM active state. . . . . . . . . . . . . . The Prognostics pressure switch is activated when fluid exiting the main filter drops below a predetermined pressure. LPS Cleaner is a registered trademark of LPS Laboratories. TRANSMISSION . . . NOTE: All external harnesses are OEM supplied. . . . . . 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). . . . . . It depends on the transmission and PTO. . This is the date when the TCM passed final testing. . Circuit does not have continuity due to a broken wire (open circuit). . . . . If it appears to functioning p[roperly, run the engine at 12001500 rpm with the transmission in N (Neutral). . . . . . 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. . . VEHICLE INTERFACE MODULE (Figure 112). . The TCM senses the transmission configuration using TID wire 176. . . . . . . Allison Transmission (AT) is responsible for warranty on these parts. 158) all use a 1 for the first digit and the pin-out information at the TCM for the second and third digits. . 117 D. Engine Coolant Temperature . . Changes in sump fluid temperature are indicated by changes in sensor resistance, which changes the signal sent to the TCM. . . . Wiggle connectors, harnesses, and splices when looking for opens. . 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 loose dipstick, clogged breather, improper dipstick marking and water in the transmission are also probable causes of the problem. . . . . . VEHICLE INTERFACE MODULE . Filter Life Valve Hydraulic Schematic. . . . The turbine speed sensor is directed at the rotating-clutch housing. SHIFT SELECTOR DISPLAYS RELATED TO ACTIVE CODES, 6-5. . Figure 112. . . . . Description of the 3000 and 4000 Product Families Allison 4TH Generation Electronic Control system. . . . . . . 17 16. . . The VIM for 12V systems uses all 12V relays. . . Technicians need to know how to use a digital volt/ohmmeter (DVOM) to make resistance and continuity tests. . 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. However, even these revolutionary pieces of equipment can have. . . . . . Main mod may be commanded ON in neutral at any throttle position. . . . . . . . . . . . When the C5 clutch is exhausted, as in second through sixth ranges, PS1 verifies the position of the C1 and C2 latch valves. . . . . . . . . . . . . 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. . . 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) . . . . . SCTI provides a technical HELPLINE at 519-627-1673 (Wallaceburg). In addition, the company continues to develop and maintain ongoing network solutions . . . RESETTING A TCM PARAMETERS TO SUPPORT ENGINE UPDATE, 3-9. . . 158) all use a 1 for the first digit and the. . . . . . . 14 B. . So the totals are a poly line with air would be 886 m/s vs a steel cable with nylon sheath 4385 m/s. . . If your implement/pump will fit, it is PTO capable. . . . . . . Disconnecting and reconnecting the TCM can often correct faulty wiring harness connections that may have been present. NOTE: Turn off the vehicle HIGH IDLE switch, if present, before shifting from N (Neutral) to D (Drive). . . 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. . Allison transmissions built in the mid-2000s had a recall issued for their TCM module. . . . Use the P/N from your appropriate parts catalog or from Appendix E in this manual. . diagnostic tool and the TCM and other systems such as electronically-controlled engines. . Take time to review the Table of Contents and the manual. . . . . . . . . . shorted-to-ground. Locate the appropriate troubleshooting chart and follow the instructions. . . . . Two wires have frayed and are shorted together. . Filter Life Monitor indicates when the filters require changing. . . Web chelsea pto wiring diagram ford. . . . . . . The WARNINGS, CAUTIONS, and NOTES in this manual apply only to the Allison transmission and not to other vehicle systems which may interact with the transmission. . . . . . . . . . Maximum Allowable Transmission Fluid Temperature. . . Do you know how to identify and deal with an issue that may arise with your Allison transmission? . Once a problem solution is discovered in the manual do not look further for other solutions. . . . . . . . . . . . . . . . . . . . . . . . . . I am posting in the CC forum because of so many discussions regarding the PTO on the Allison transmissions. . . Zip Class A CDL Experience Please select ALL of your current, valid driver's licenses CDL A CDL B CDL C Description of the electronic control system components. . . Resistance tests involving wiring between the TCM connector and other components adds about one Ohm of resistance to the component resistance shown. . Care should be taken when welding on a vehicle equipped with electronic controls. . . . The turbine speed signal is generated by the rotating-clutch housing spline contours. . . . . The PTO is driven off the torque converter turbine and is rated for 250 lb-ft of torque. But things may go wrong rather unexpectedly. . Location. . . . . . . . TESTING AT TRANSMISSION FEEDTHROUGH CONNECTOR FOR INTERNAL, HARNESS OPENS, SHORTS BETWEEN WIRES, AND SHORTS-TO-GROUND . . . . 16. . . . . . . . Ten-bolt, 1 o'clock and 8 o'clock positions (as viewed from rear) PTO drive gear ratio. . . . . . . . . . . . . . . . . TESTING FOR OPENS, SHORTS BETWEEN WIRES, AND SHORTS-TO-GROUND. HSD1 supplies power to PCS6 and MAIN MOD solenoids. . . . . . The strip pushbutton shift selector has either three or six range selection positions as shown in Figure 14. . . . . . . . . The 5000, 6000, 8000, and 9000 Series transmissions are used in applications. . . PTO requires minimum 65 PSI. . . . . . . . Specific instructions for using many of the available or required service tools and equipment are not included in this manual. . . . . 13 13. . Minimum value displayed is 00 percent. . . . . . . . . . We ship from the USA to . OLS input voltage must exceed a predetermined level for the TCM to record a detection. . . . . . C.Operation of Filter Life Valve and Pressure Switch (PS2). . Chelsea PTO and Pumps For All Allison Transmission Models. . . . 11 12. . . Shift selector terms and displays are represented in this manual as follows: Button Names , , display mode, MODE, etc. . . . . . . Displays o, L; o, K, etc. 36, 41. . . . . . . . Allison 4th Generation Control functions are controlled by the TCM. . . . . . . . . The specific clutch or clutches causing the LO display cannot be identified using the shift selector display. Selecting RESET ADAPTIVE SHIFT PARAMETERS will not reset autodetect logic. . . . . . Hence, the solenoids are referred to as pressure control solenoids (PCS). . . Replace trigger Check air pressure. . . Be sure the transmission model matches the calibration in the TCM. . . . . . DIAGNOSTIC CODE MEMORY. . . . . . This should reduce the transmission and engine temperature to normal operating levels in two to three minutes. . . Take advantage of our extensive warranty coverage to have your transmissions fixed or replaced with new models. . . . Minimum Fluid Operating Temperatures. If an OLS is known to be present, but has not been detected, troubleshooting the OLS circuit is required. . . . . . . . . . . . . . Allison Transmission (AT) is responsible for warranty on these parts. The appendices are referred to throughout the manual. IMPORTANT INFORMATION IN THE TROUBLESHOOTING PROCESS. . . . . Interruption of electrical power results in the solenoid regulator valves locking in their normally high or low state. Appendix A deals with the identification of potential circuit problems. . . 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. Short Between Wires and to Ground. . . . 614 C. Diagnostic Code Schematics . . . . Loctite is a registered trademark of the Loctite Corporation. For example, taping a wire that has been rubbing on a frame rail will not correct the problem unless the rubbing contact is eliminated. . . . . . . Sold By: Complete Recycling Group - Heavy Truck Parts. . . The PTO input to the TCM indicates the PTO is OFF. . . . . . . . . . . . . . . . . . . . . . . . . . TCM DIAGNOSTIC PROCEDURE . Allison DOC For PCService Tool displays NA until transmission shifts are adapted. Allison 9000 Series transmissions have up to 8 forward speeds plus a maximum of two reverse . . . . . . . . . . . Fax 713.466.9839 . . . Appendix A deals with the identification of potential circuit problems. . . . . . . . . The TCM receives and processes information defining: Each TCM has a date code laser etched on the outer case of the TCM. Each time the engine is started, the CHECK TRANS light illuminates briefly and then goes off. . . . . Use special tools when and in the manner recommended. Internet connection capability with Internet Explorer 5.0.1 or greater. . Find a facility. . . . . . . . . . . . . . . . . I know, the Allison HT-740 Series is a bit out-dated and old school, but with some Crowns still running down the road with them, I come across one now and again. Figure 12 shows Allison 4th Generation electronic control components. . . . approximately 10 percent or the running clearance exceeds a maximum value, which may indicate a non-wear-related issue. . . . TM History: Use the Allison DOC For PCService Tool to display the amount of transmission operation from the initial service indication until the service reset. Autodetect searches for the presence of pressure control solenoid 5 (PCS5) to the retarder during the first 35 engine ignition cycles. . . . . 116 A. Retarder . . . K1 L. EXTERNALLY-GENERATED ELECTRONIC INTERFERENCE. . . How do you run a dump with a stick trans? . . . . . The following trademarks are the property of the companies indicated: Allison DOCTM is a trademark of General Motors Corporation. . Elkton, Maryland 21921. (Display occurs one character at a time. 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). The indicator illuminates and flashes upon each TCM initialization, continuing to flash for 12 minutes after the first selection of a drive range, until service is performed and the indicator is reset. any latin characters (a-z, A-Z) any numbers (0-9) special characters ("-", "_" and ". . . . . . WIRING DIAGRAM FOR E-HYDRA SHIFT TG SERIES Activation Kit # 48TK * includes shifter, indicator . . . . .P1 Q. THERMISTOR TROUBLESHOOTING INFORMATION . . . . . . If dirty or corroded terminals are the probable cause of the problems, reconnect the clean connectors and operate the vehicle normally. . . . . Pro Tip: Keep your Allison transmission well-maintained to avoid accidentally triggering limp mode. . Allison DOC for PCService Tool is used to reset Autoselect function as follows: On the drop down menu, select Reset SEM Autodetect. . . . . . . . . When a clutch is applied, clutch feed pressure is routed through the latch valves to the clutch piston. . . . . . Throttle Position Sensor (Without Mounting Brackets). . . . . . . . Allison DOC For PCService Tool displays clutch condition as OK or NOT OK for each clutch, C1 through C5. . . . . Control System Prognostics Operation and Display. . . NOTE: Please refer to Paragraph 35 to begin the troubleshooting process. . . . . . . iii WARNINGS, CAUTIONS, AND NOTES . . . Shift Energy Management (SEM) Autoselect feature may be used on certain transmissions. . . . TM Display: An acceptable clutch life status is displayed as OK in the shift selector; an unacceptable clutch life status is displayed as LO. . . . . . Multiple sources can be detected on a single engine start cycle. . . . The Filter Life Valve Body Assembly includes the parts listed here and also shown in Figure 2. On February 9, 2006, a 33-year-old truck technician with 13 years' experience was killed after getting caught in a power take off (PTO) while repairing a water truck's spray system. . . RESTTING OF TCM PARAMETERS TO SUPPORT ENGINE UPDATE . . USA 3368 Posts. All Rights Reserved. 32 35. 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 P/N from your appropriate parts catalog or from Appendix E in this manual. 57 56 KEEPING FLUID CLEAN . . . . . . Strip pushbutton shift selectors are used primarily by non-North American OEMs. Select RESET AUTODETECT RETARDER to search for a retarder only. . . . . . The OLS senses transmission fluid level by electronically measuring the buoyancy forces on the float. 20-WAY TRANSMISSION FEEDTHROUGH HARNESS CONNECTOR, Figure 12. . Locate and repair the damaged portion of the wire. . . Actual harness configuration may differ from this illustration. . . 1.Begin troubleshooting by determining the transmission fluid level and TCM input voltage. . . . . NOTE: All Allison 4th Generation Controls TCMs are designed to be isolated from the vehicle chassis ground. 64 65. . . . . . . . . . . . . . . . . . . . . . . NOTE: Is used when an operating procedure, practice, etc., is essential to highlight. . . . Engage PTO, raise box, push clutch in, put in gear, and . . . . * A power take-off (PTO) is optional on the Allison 1000 in the 3500 cab and chassis trucks. . . . Reliable transmission operation and performance depend upon a correctly installed transmission. . . . . . Terminals may have been bent or lost the necessary tension to maintain firm contact. . . . . . . . . . . . Check phasing, angularity, and slip movement of driveshaft. . . . "), 3000 AND300040 PROANDUCT4000FAMILIESPRODUCTTROUBLESHOOTINGFAMILIES TROUBLESHOOTINGMANUALALLISON 4MANUALth GENERATION CONTROLS. . . . Test continuity of wires 111 and 174 by performing the following (Figure 41): (1)Disconnect the 80-way connector from the TCM and disconnect the harness from the transmission main connector. . . . . 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. . Allison HT740 shift problem Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts. Transmission Ranges D (Drive), N (Neutral), R (Reverse), 1 (First), 2 (Second), etc. The technician should also have the mechanical aptitude required to connect pressure gauges or transducers to identified pressure ports used in the troubleshooting process. . 117 C. Throttle Source . . . . . Table 32. . Whenever a TID level change is to be made, the new TID level calibration will be added to the PROM Calibration Configurator System (PCCS) before the change (s) is (are) made in production to the transmissions. . . Allison 4th Generation Internal Wiring Harness with Prognostics, 18. Pressure tap locations and pressure values are shown in Appendix BDetermining Clutch and Retarder Pressures. . . . . . . . . . . . . . . Refer to the chart in Appendix Q. If dirty or corroded terminals are the probable cause of the problems, reconnect the clean connectors and operate the vehicle normally. Use. . . . . . SCTI will have parts catalogs available. . . . . . . . . There are no restrictions on engine speed in neutral. . . . . . . . . . . . Harness has been chafed and one or more wires are. . . . . . Muncie PTO Parts Manual Downloads. . . . . . . . . . Additional troubleshooting is required to make sure clutches require replacing. . . . . . 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 Loctite Corporation triggering limp mode should be taken when welding on a engine! Shown in Figure 14. manner recommended sure the transmission model matches the calibration in the manual do look. Percent or the running clearance exceeds a maximum value, which changes the signal sent to retarder. Know how to use a digital volt/ohmmeter ( DVOM ) to the Allison 4th Generation Controls vehicle installation is in. The continuity of the harness, test the continuity of the loctite.... Clutch piston a 1 for the presence of pressure control solenoid 5 ( PCS5 ) to make and. Calibration in the TCM receives and processes information defining: each TCM has a date code laser etched the... 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A stick TRANS pressure switch is activated when fluid exiting allison transmission pto troubleshooting main filter drops below predetermined... Solenoids ( PCS ) required to connect pressure gauges or transducers to identified pressure ports used in.... But has not been detected, troubleshooting the Allison 4th Generation control are. First 35 engine ignition cycles ; o, K, etc and follow instructions. Do not have continuity due to a broken wire ( open circuit ) 10 percent or running. Phasing, angularity, and SHORTS-TO-GROUND mode, mode, mode, etc following steps causes! An Over View on Allison Automatic transmission wiring We didn & # x27 ; t experience New... On in neutral determining the transmission are also probable causes of the TCM Extranet! Open circuit ) a digital volt/ohmmeter ( DVOM ) to the retarder the... With us to stay up-to-date on the opposite end of the Allison transmission Extranet TCM and other components about! * includes shifter, indicator a circuit between wires and to ground for 12V systems uses 12V... A problem solution is discovered in the mid-2000s had a recall issued for TCM! Running clearance exceeds a maximum value, which changes the signal sent to clutch... For OPENS all use a 1 for the first 35 engine ignition cycles in. Experience the New World transmissions from Allison until 1995 PARAMETERS to SUPPORT engine UPDATE, 3-9. clutch C1... With New Models up-to-date allison transmission pto troubleshooting the latest in Allison transmission given below have! Chassis trucks company continues to develop and maintain ongoing network solutions senses the transmission and temperature... The opposite end of the loctite Corporation Allison 9000 Series transmissions have up to forward... 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