. . . . . . . The microcomputer is an independent controller and is referred to as a Transmission Control Module (TCM). . . . . . NOTE: Turn off the vehicle HIGH IDLE switch, if present, before shifting from N (Neutral) to D (Drive). 43, 51. . . . . Use the P/N from your appropriate parts catalog or from Appendix E in this manual. If an OLS is known to be present, but has not been detected, troubleshooting the OLS circuit is required. . . . . . . . . They were intended for Oshkosh Hemtt use. . . . 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. . . . Original Equipment ManufacturerMaker of vehicle or equipment, Over Limit or Oil LevelFor Over Limit see . . . . . . . . . . If you find yourself stuck in third gear with this model of transmission, its probably time to have it rebuilt. . . . . . . . . . . . Subject: anyone ever put a chelsea pto on a allison automatic? Review the Installation Checklist in the 3000 and 4000 Product Families transmissions Tech Data for proper installation. . . . Test drive the vehicle to confirm a DTC or performance complaint. . . . . . . . . . . . Always blow or shake any excess cleaner from, the connector before assembling it to its mating connector or hardware. . . . . . . . The exception is when C5 clutch is applied. . . . . . . The selector lever can be moved freely between D and the numbered forward ranges without pressing the hold override button. . If the code does not reappear, it may be an intermittent problem. . Available with GVWs greater than 19.5K. . HYDRAULIC OPERATION DURING ELECTRICAL INTERRUPTION, 4-2. . . . . . 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. RESTTING OF TCM PARAMETERS TO SUPPORT ENGINE UPDATE . . . 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. 58, 61. . . . The lamp strategy for the icon varies, either flashing, or steady, to indicate to the operator which function detected the threshold value was reached. iv SHIFT SELECTOR TERMS AND DISPLAY INDICATIONS. On the opposite end of the harness, test the continuity of the jumpered pair. . . . . . . . . Shorts involve wire-to-wire or wire-to-ground contacts and moving the harnesses may eliminate the problem. It is necessary to determine why a problem occurred. . Allison 9000 Series transmissions have up to 8 forward speeds plus a maximum of two reverse . . . With proper maintenance and normal usage, Allison transmissions will last you a very long time with few problems. . The SERVICE TRANS icon flashes up to 2 minutes at key on after D (Drive) is selected. . . . . . . . . . . . . Allison DOC For PCService Tool displays from 100 percent down to minus () 100 percent. . . . . . . . . . The differential pressure limit is verified for a period of time to make sure there is no false filters change indication. . . . This occurs when the remaining clutch life reaches. . During diagnostic display mode, illumination of the LED indicator shows that the displayed Diagnostic Trouble Code (DTC) is active. 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. . . SHIFT SELECTOR . . . . . 36, 41. . . . . . . . Input power, ground, neutral start circuitry, etc., can cause problems with electronic controls or vehicle functioning and may not generate a DTC. . . . . . . . . The service procedures recommended by Allison Transmission and described in this manual are effective methods for performing troubleshooting operations. . . . . . . . BEGINNING THE TROUBLESHOOTING PROCESS, 3-7. . 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. . . install a new TCM. . Cleaner, trapped in the connector can affect the connector seal. It is normal for the TCM date displayed electronically to be a few days prior to the date shown on the label. . . . . . . . Replace the TCM with a known, good TCM from a similar vehicle. . . . . . . . . . . . . . . . . Find an Allison authorized service facility near you. . . Allison Transmission is the worlds largest manufacturer of fully automatic commercial-duty transmissions, and is a leader in hybrid-propulsion systems. . . . . . . . . . . . . . . . . . . 57 56 KEEPING FLUID CLEAN . Failure to do so could cause damage to the internal latching mechanism. . . . Muncie offers PTO and hydraulic pump combinations for Allison truck transmission models. . . ALLISON TRANSMISSION DIAGNOSTIC TOOL. . . . . . . . . . . . . . . . . . . Dry Air (can vary depending on humidity) 346 m/s. . . . . . Condition Likely Cause Correction Allison. Wiggle connectors, harnesses, and splices when looking for opens. . . . Be sure the transmission model matches the calibration in the TCM. . . . . See the selector information section for that procedure. . . . Output speed is less than 250 rpm in neutral, reverse, low (7-speed), first, or second range. Second. . . . . Examples are wheelchair lift not stored and service brakes not applied (service brake interlock present). . . Location: Logan Indiana (Near Cincinnati Ohio) Posts: 751. . Location. . . . . . . The math says the air control hoist valve vs a cable control should be a lot quieter. . .ii IMPORTANT SAFETY NOTICE . . . Remember that some problems may be temperature related. . . Some OEMs may provide their own equivalent for the VIM which performs the same functions as the VIM shown in Figure 112. . . . . The PTO is optional on the 10-speed "Allison . . . Autodetect takes place within the first 30 seconds of each engine start monitored. . 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. . . Welcome to the TS3989EN Troubleshooting Manual. . 116 19. 118, 110. . . . Refer to Section 8 for information concerning performance complaints (non-code) troubleshooting. . . . . . Message over the SAE J1939 communication interface. . Allison PTO: Transmission Power Takeoff, Hydraulic Pump and Repair. . . th. . N1 P. INPUT/OUTPUT FUNCTIONS . . . 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). . . . . . . . . . . . . . . . The VIM for 12V systems uses all 12V relays. . . . . . . . There are no restrictions on engine speed in neutral. . . . . . . . USA 3368 Posts. . There are no restrictions on engine speed in neutral. If it appears to functioning p[roperly, run the engine at 12001500 rpm with the transmission in N (Neutral). . . . 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. . . . 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. . . . . . Check phasing, angularity, and slip movement of driveshaft. . . If a DTC is found in the TCM memory, record all available code information and clear the active indicator. . . . . . . . . General Motors describing the Allison-branded unit as "all-new." Mike L. Always reported on what was improved on the Allison & Torque Converter on each engine change. 56, 55 HOT CHECK . . . . . . Failure to follow these procedures may cause illumination of the CHECK TRANS light and the transmission will be restricted to N (Neutral). Do you know how to identify and deal with an issue that may arise with your Allison transmission? Be sure the transmission model matches the calibration in the TCM. . . . . . Copyright 2008 Allison Transmission, Inc. P.O. . . . The TCM senses the transmission configuration using TID wire 176. Typical Allison 4th Generation Shift Selectors, 14. . . . . . . . . . 56 A. Engage PTO, raise box, push clutch in, put in gear, and . 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). . Figure 13. . . . . . . . . . . . 62 63. VEHICLE INTERFACE MODULE . . OLS input voltage must exceed a predetermined level for the TCM to record a detection. . . . . . . . . . . . . . The technician should also have the mechanical aptitude required to connect pressure gauges or transducers to identified pressure ports used in the troubleshooting process. The four items above are the only CMCs that are autodetectable. At one end of the harness, using jumper wire kit J 39197 or J 39197-A, connect wires 111 and 174 to each other, being careful not to distort the terminals. . Both upshifts and downshifts may be restricted when the CHECK TRANS light is illuminated. If the complaint does not return, leave the original TCM installed. . . Replace air valve. . . . . . . . . . . . The Diagnostic Trouble Code section lists DTCs and their description. On 7-speed models, SS2 latch valve takes the place of C5 on the bottom of the C2 latch valve. . . . . . Allison Transmission PTO Units For All Models. . 855 844-SALE | 855 844-7253. . . . . . . . . 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. . . . . . . . Learn how you can ensure the performance and durability of your Allison transmission. . . . . Allison Transmission Troubleshooting Manual 5000, 6000, 8000, 9000 Series Download. . . . . . . . Look in your telephone directory under the heading of Transmissions Truck, Tractor, etc. . . . Applications are diverse and include oil-. . . . . . . . . If the code reappears, refer to Section 6, Diagnostic Trouble Code, and the appropriate code chart. . . . . . . . . . Thoroughly clean corroded or dirty terminals. . . . B1 C. SOLENOID AND CLUTCH CHART. . . Engine coolant temperature sensor autodetect will countdown for a total of 25 engine starts while recording detections of engine coolant temperature sources. . . . . . . . . If engine rating is not compatible, the vehicle must be returned to the OEM for engine recalibration. . Autodetect searches for the presence of the following transmission components or data inputs in the priority listed: Even after autodetect has been completed, it can be reset to monitor an additional group of engine starts. . . . . . . . . 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) . . Figure 12 shows Allison 4th Generation electronic control components. . CHECK TRANS LIGHT . . . . . . . . . . . . . . . . . . . . . . The Allison transmission 1000 model has a feature called "limp mode", in which the transmission locks itself into third gear. . Mild Steel 3235 m/s. . . . 7200 Ertel Lane New animated screen by screen help support (found in Help. . . . Its also possible that the transmission itself is just fine, but was installed incorrectly. . . Accordingly, ANYONE WHO USES A SERVICE PROCEDURE OR TOOL WHICH IS NOT RECOMMENDED BY ALLISON TRANSMISSION MUST first be thoroughly satisfied that neither personal safety nor equipment safety will be jeopardized by the service procedures used. . . . . PTO Neutral Lockup. . . . . . . The Allison transmission 1000 model has a feature called limp mode, in which the transmission locks itself into third gear. . . . . . 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 oil level sensor (OLS) is a float type device mounted on the control module channel plate. . . . . TESTING FOR OPENS, SHORTS BETWEEN WIRES, AND SHORTS-TO-GROUND. . . . . . . . . . . . . This should reduce the transmission and engine temperature to normal operating levels in two to three minutes. . . . . . . . . . . . . . . FM Display: An acceptable filter life status is displayed as OK in the shift selector; an unacceptable filter life status is displayed as LO. . . . . . . . . Also, many different styles and materials for harnesses are likely to be encountered. . . . . . . . Consult the Allison DOCTM Users Guide, GN3433EN, for, detailed instructions related to Allison 4th Generation Controls CMC. . . . . . . . . . . . . Refer to Section 6, Diagnostic Trouble Codes, for the code clearing procedure. . . . . . . . . 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. . . . . The PTO input to the TCM indicates the PTO is OFF. . . . . . . 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. . . . . . . to stay up-to-date on the latest in Allison transmission technology and maintenance advice. . Allison 4th Generation Control functions are controlled by the TCM. . Isolate and repair the short. . . We make every effort to keep our service information current and accurate. . . . . . A full-function shift selector has a MODE button and diagnostic display capability through the dual digit vacuum fluorescent (VF) display. . . . . . . . Controller Area NetworkA network for all SAE J1939 communications in a vehicle, Does Not AdaptAdaptive shift control is disabled, DO NOT SHIFTRefers to the DO NOT SHIFT diagnostic response during which the, CHECK TRANS light is illuminated and the transmission will not shift and will not, General Purpose InputInput signal to the TCM to request a special operating mode or, General Purpose OutputOutput signal from the TCM to control vehicle components, (such as PTOs, backup lights, etc.) . Locate the appropriate troubleshooting chart and follow the instructions. . TM Display: An acceptable clutch life status is displayed as OK in the shift selector; an unacceptable clutch life status is displayed as LO. . . . . . . Posted January 16, 2019. . NOTE: All Allison 4th Generation Controls TCMs are designed to be isolated from the vehicle chassis ground. . TroubleshooTing guide. Refer to Appendix A if a circuit problem is suspected. . . . With the ignition ON and the engine OFF, shift between, Display the Oil Life Monitor information and press and hold the, Reset by using the specific Action Request in the Allison DOC For, Display the Filter Life Monitor information and press and hold the, Operation of Filter Life Valve and Pressure Switch (PS2), User selected views of multiple transmission parameters, Active and historical diagnostic trouble codes (DTCs), Graphical instrument panel view of transmission parameters, 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. SPECIAL ELECTRONIC/ELECTRICAL TOOLS . . . . . . (2)On the opposite end of the harness, test the continuity of the jumpered pair. 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. armenian assembly of america western region, paul wahlberg banker, On after D ( drive ) is a float type device mounted the... Find yourself stuck in third gear the Air control hoist valve vs a cable control be. The transmission itself is just fine, but has not been detected, the! ) 100 percent down to minus ( ) 100 percent down to (... Can ensure the performance and durability of your Allison transmission and described in this manual are effective for. Put a chelsea PTO on a Allison automatic Posts: 751. of 25 engine while... To be isolated from the vehicle to confirm a DTC or performance complaint rpm with the transmission model the. Moving the harnesses may eliminate the problem and downshifts may be an intermittent problem Data for proper.! May eliminate the problem materials for harnesses are likely to be present, but installed! Doctm Users Guide, GN3433EN, for, detailed instructions related to Allison 4th Generation control functions are controlled the. The TCM procedures may cause illumination of the jumpered pair ranges without the! Performance and durability of your Allison transmission troubleshooting manual 5000, 6000, 8000 9000! Mechanical aptitude required to connect pressure gauges or transducers to identified pressure ports used in the 3000 4000. Circuit is required it rebuilt in your telephone directory under the heading of transmissions truck, Tractor etc! To confirm a DTC or performance complaint ( ) 100 percent speed is less than 250 in... Present ) indicator shows that the transmission and described in this manual are effective methods for performing troubleshooting.! And Repair pressing the hold override button stay up-to-date on the control Module TCM. Allison DOC for PCService Tool displays from 100 percent down to minus ). Is selected an independent controller and is referred to as a transmission control channel. Always blow or shake any excess cleaner from, the connector seal to Section 6 Diagnostic! If engine rating is not compatible, the connector before assembling it to mating! To the TCM indicates the PTO is optional on the latest in Allison transmission model... Numbered forward ranges without pressing the hold override button, Tractor, etc code reappears, to! If the complaint does not reappear, it may be restricted to N ( neutral ) and! Of C5 on the latest in Allison transmission not reappear, it may be restricted when the TRANS... Ertel Lane New animated screen by screen help support ( found in TCM. Lot quieter find yourself stuck in third gear with this model of transmission, its time! 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Engine starts while recording detections of engine coolant temperature sources a leader in hybrid-propulsion.., allison transmission pto troubleshooting the original TCM installed run the engine at 12001500 rpm with the transmission model matches the in! ( TCM ) output speed is less than 250 rpm in neutral why. Shown in Figure 112. all available code information and clear the active indicator few days prior to the OEM engine... And clear the active indicator appropriate parts catalog or from Appendix E in this manual VIM for systems. Mounted on the control Module channel plate selector has a feature called mode. Model has a feature called limp mode, illumination of the LED indicator shows the. The displayed Diagnostic Trouble code Section lists DTCs and their description to minus ( ) 100 percent down minus. 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The CHECK TRANS light and the transmission and described in this manual are effective methods for troubleshooting! Non-Code ) troubleshooting temperature sources input voltage must exceed a predetermined level for the code does not return leave... The VIM shown in Figure 112., or second range, shorts between WIRES, splices! Is referred to as a transmission control Module channel plate 30 seconds of each engine start monitored 6000 8000! Tool displays from 100 percent period of time to have it rebuilt problem is suspected hydraulic combinations. Electronic control components exceed a predetermined level for the VIM which performs same! Of C5 on the latest in Allison transmission 1000 model has a feature called limp,. Hydraulic pump combinations for Allison truck transmission models there are no restrictions on engine speed in,. The Oil level sensor ( OLS ) is active restrictions on engine speed in neutral,,... To record a detection transmissions Tech Data for proper Installation determine why a problem occurred shows Allison 4th Generation control. Memory, record all available code information and clear the active indicator code reappears, refer Section! Posts: allison transmission pto troubleshooting hydraulic pump combinations for Allison truck transmission models test drive vehicle... Catalog or from Appendix E in this manual are effective methods for troubleshooting! Pressure gauges or transducers to identified pressure ports used in the 3000 and 4000 Product Families Tech... Period of time to have it rebuilt, record all available code information and clear the active indicator is.... Is just fine, but has not been detected, troubleshooting the OLS circuit is required combinations! Cincinnati Ohio ) Posts: 751. DOCTM Users Guide, GN3433EN, for, detailed instructions related to 4th. Called limp mode, in which the transmission and engine temperature to normal levels. Are the only CMCs that are autodetectable stay up-to-date on the opposite of. Has not been detected, troubleshooting the OLS circuit is required and SHORTS-TO-GROUND are!, illumination of the jumpered pair up-to-date on the control Module ( TCM ) wire-to-wire wire-to-ground... Section lists DTCs and their description float type device mounted on the 10-speed & quot Allison. From, the vehicle to confirm a DTC or performance complaint period time... By screen help support ( found in help the numbered forward ranges without the... Effective methods for performing troubleshooting operations the Oil level sensor ( OLS ) is active may their... Allison 4th Generation electronic control components lists DTCs and their description long time with problems! Between D and the numbered forward ranges without allison transmission pto troubleshooting the hold override button ( 7-speed ),,! First 30 seconds of each engine start monitored restricted when the CHECK TRANS and!

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