allison transmission pto troubleshooting

. . NOTE: Required calendar-based fluid change intervals are not monitored by this function and those intervals remain applicable to all vehicle installations in addition to the above. . . . DIAGNOSTIC TROUBLE CODE LIST AND DESCRIPTION, 6-6. Then the TCM concludes that no OLS is present. . . . Input power, ground, neutral start circuitry, etc., can cause problems with electronic controls or vehicle functioning and may not generate a DTC. . . With proper maintenance and normal usage, Allison transmissions will last you a very long time with few problems. . . . Allison transmissions built in the mid-2000s had a recall issued for their TCM module. The electronic control of the transmission is performed by a microcomputer. An OLS will be identified as present and the OLS autodetect logic will stop once it is detected during any single engine start. . . Shouldn't have anything to do with the Allison ecm. . . . . . . Nylon 1150 m/s. Replace air valve. . Allison Transmission Downshifting Question/Problem New Topic Reply to Topic Printer Friendly: Author: Topic : Buskid Top Member. Shut off the engine and ignition before any harness connectors are disconnected or connected. . . . . . . . . 13 13. . . . . . . . . However, there are instances when the . These applications include oil pumping, fracking, cranes & winches as well as specialized off-highway trucks. This assembly cannot be retrofitted to the former channel plate assemblies. . . Failure to follow these procedures may cause illumination of the CHECK TRANS light and the transmission will be restricted to N (Neutral). . . . . . . 158) all use a 1 for the first digit and the. . . . . . . . . . . . . . . Refer to the Table 31 for temperature restrictions. . . . Buy Now. . . This can be discovered by using HY25-3000/US Applications Catalog. 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. Care should be taken when welding on a vehicle equipped with electronic controls. . Hydraulic problems are detected by comparing the speed sensor information for the current range to that ranges speed sensor information stored in the TCM memory. Repair parts for the external harnesses and external harness components must be obtained from St. Clair Technologies Inc. (SCTI). . . The MODE button is pressed to select a secondary or special operating condition, such as ECONOMY shift schedule. . . . . . . . . . Allison DOC For PCService Tool displays clutch condition as OK or NOT OK for each clutch, C1 through C5. . . . . . . . . . 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. . . Use the Allison DOC. . . . . . . . . Determine if DTCs have set by: Using the shift selector display (see Paragraph 62 for code reading). . . . . . 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.) . . . . SCTI provides parts to any Allison customer or OEM and is responsible for warranty on these parts. . K1 L. EXTERNALLY-GENERATED ELECTRONIC INTERFERENCE. . . ALLISON 4TH GENERATION CONTROLS DIAGNOSTIC TROUBLE CODES (DTC) PREFACE. . . . The TransID feature enables the TCM to recognize various transmission hardware configurations and select an appropriate software calibration. 55, 54. . . . . . . revision, for detailed information on the recommended cleaners. . . . . DIAGNOSTIC CODE TROUBLESHOOTING . . . 3.Thoroughly clean corroded or dirty terminals. The technician should be able to use jumper wires and breakout harnesses and connectors. . . . . . . . . All you need is your PTO series number to get started. . When the CHECK TRANS has been illuminated for this purpose, the TCM registers DTC P088B, Very Deteriorated Filter. . . . . . . However, even these revolutionary pieces of equipment can have problems. . . BASIC KNOWLEDGE REQUIRED. . . . . . . . D1, E.CONNECTOR PART NUMBERS, TERMINAL PART NUMBERS, . . . . . . . . . Operation may or may not be restricted. . . 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. . . To install pto and wire in switch. . . Serial Peripheral InterfaceThe means of communication between the microprocessor, Secondary Shift SelectorAlternate shift selector in a two-selector control system, TransIDA feature which allows the TCM to know the transmission configuration and, provide the corresponding calibration required, Throttle Position SensorPotentiometer for signaling the position of the engine fuel, VersionAbbreviation used in describing TCM software levels, Vehicle Interface ModuleA watertight box containing relays and fusesinterfaces the, transmission electronic control system with components on the vehicle, Vehicle Interface WiringInterfaces TCM programmed input and output functions with, InfinityCondition of a circuit with higher resistance than can be measured, effectively an. . 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. Shorts involve wire-to-wire or wire-to-ground contacts and moving the harnesses may eliminate the problem. Figure 12 shows Allison 4th Generation electronic control components. Stop the vehicle and inspect the cooling system. . . . . R1. . . . . . . . . . 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. . Once a confidence flag is set, that source is used as the source for the throttle signal. Inspect all connector terminals for damage. . The TCM (Figure 13) contains the microcomputer which is the brain of the control system. . 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. . 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. . . Description of the 3000 and 4000 Product Families Allison 4. . . 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. . They were intended for Oshkosh Hemtt use. . This will also improve your vehicles overall functionality! . . 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. . . The Allison 4th Generation controls system includes a main modulation solenoid. . . . . . Allison DOC For PCService Tool displays NA until transmission shifts are adapted. Replace PTO housing, gears. . . 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. . . LPS Cleaner is a registered trademark of LPS Laboratories. . . Table 31. . . Allison DOC For PCService Tool shows PS2 EXHAUSTED. The TCM monitors the OLS input voltage on wire 116. Use the P/N from your appropriate parts catalog or from Appendix E in this manual. . . . . The display message indicates the operating status of the transmission main filter, based on the measured pressure drop across the filter. . A revision is indicated by a new date on the title page and in the lower left corner of the rear cover. . . All tools listed are essential for overhaul, maintenance, and/or recalibration of the 3000 and 4000 Product Families electronic and electrical systems. If yours appears to have never been replaced, your best bet is to contact the manufacturer and ask about the replacement process. . . . . Table 32. . Prolonged operation of this type will cause the transmission fluid temperature to become excessively high and. . . . . . . . . . . . . . TCM DIAGNOSTIC PROCEDURE . The rest is in the PCM. Appendix A deals with the identification of potential circuit problems. . . . . . . . ELECTRONIC FLUID LEVEL CHECK (ALLISON DOC FOR PCSERVICE TOOL) . . . . . DIAGNOSTIC CODE RESPONSE . . All Allison transmissions are PTO ready. . . . When the main filter gets excessively restricted by debris, lockup pressure drops. . . . . . . . . . 117 B. SPEED SENSORS. . . . . . . . The cleaning solvent should evaporate quickly to prevent the possibility of, condensation within the connectors. . . IT IS YOUR RESPONSIBILITY to be completely familiar with the warnings and cautions used in this manual. . . . High transmission fluid levels and a failed vacuum modulator may throw fluid out in an Allison transmission. . 17 16. . ELECTRONIC FLUID LEVEL READING (SHIFT SELECTOR) . . G1 H. HYDRAULIC SCHEMATICS . . . . Rebuilt, New and Used Allison transmission Power Take Offs from Parker Chelsea, Muncie and More. . . . The TG Series PTO is the most versatile and widely used double gear type power take-off in the industry. . . . . . . . . . . . . . . . . . . 4.Test drive the vehicle to confirm a DTC or performance complaint. . . . . . . Determine the fluid level before beginning the OLS troubleshooting. 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 service procedures recommended by Allison Transmission and described in this manual are effective methods for performing troubleshooting operations. 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 internal wiring harness provides connection between the following: Figure 110. . . Engine speed less than 1200 rpm in all ranges except neutral. . . . . . . . . . Allison 4th Generation Internal Wiring Harness with Prognostics, 18. If a DTC is found in the TCM memory, record all available code information and clear the active indicator. If resets are restricted to the service tool, the selector will not be able to reset the function. . The A20 Series PTO for Allison 3000/4000 Series features a rotatable pump flange and various product improvements allowing for easier intallation and durability. . . . . . . . . . . . . . . . . . Box 894 Indianapolis, Indiana 46206-0894 Printed in . . . Allison 4th Generation Control Mudules with Prognostics. . . . . Allison Transmission could not possibly know, evaluate, or advise the service trade of all conceivable procedures by which service might be performed or of the possible hazardous consequences of each procedure. 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. . . . . . . . . . . failure is in the application itself. . . . . . . . . . . . . . . . . . . The Diagnostic Trouble Code section lists DTCs and their description. . The PTO input to the TCM indicates the PTO is OFF. . . . . The Throttle Position Sensor (TPS) can be mounted to the engine, chassis, or transmission. . . . . . . . . Locate and repair the damaged portion of the wire. . . 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. 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. . Refer to Section 8 for information concerning performance complaints (non-code) troubleshooting. . . . . . . What I have is a Monaco with the 4000 series transmission that I believe is putting transmission fluid from the transmission . . . . . . . CONTROL MODULE. . . . . . Data Bus Viewer allows the user to capture (see and save) the raw data transmitted on the various vehicle data buses supported by Allison DOC For PCService Tool (J 1939 and J 2284), Printed users manual and laminated Job Aid Card, Adobe Acrobat Reader bundled on the CD for reading the Troubleshooting Manual. . INPUT FUNCTIONS . . . . . . will last you a very long time with few problems. . . . The first place to look when troubleshooting a P.T.O. . .E1, TOOL PART NUMBERS, AND REPAIR INSTRUCTIONS, F. THROTTLE POSITION SENSOR ADJUSTMENT . . . . . Use the P/N from your appropriate parts catalog or from Appendix E in this manual. . 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. . . Dont let a transmission in need of repairs bring your workplace to a halt! . . . . Use the P/N from your appropriate parts catalog or from Appendix E in this manual. . . . . . . . IDENTIFICATION OF POTENTIAL CIRCUIT PROBLEMS . . . . . Main mod may be commanded ON in neutral at any throttle position. . . Allison HUB houses a library of Operator's Manuals which covers all current products and is available in a variety of languages. . . . SCTI provides a technical HELPLINE at 519-627-1673 (Wallaceburg). . . Second. Loctite is a registered trademark of the Loctite Corporation. . . MEASURING CLUTCH AND RETARDER PRESSURES . . On the drop down menu, select Reset SEM Autodetect. . . . . . . . . . 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. . . . . J1 K. SOLENOID RESISTANCE CHARTS . 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. . . shorted-to-ground. . . . . . . This feature is not functional until transmission sump temperatures are between 40150C (105302F). . . . . Box 894 Indianapolis, Indiana 46206-0894, 3000 AND 4000 PRODUCT FAMILIES TROUBLESHOOTING MANUALALLISON 4th GENERATION CONTROLS. . . . . . . . . . . . . Tuning costs are variable in nature, I can make quick adjustments in 15-20 minutes, extensive adjustments can require an hour. . RESETTING TCM AUTOSELECT . . . . 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. TroubleshooTing guide. . . . Pro Tip: Keep your Allison transmission well-maintained to avoid accidentally triggering limp mode. . . . . . Allison 4th Generation Control functions are controlled by the TCM. . THROTTLE POSITION SENSOR . . . . . This, is usually caused by a dragging C1 or C3 clutch or a failed turbine speed sensor. . . . . . . . . . . . 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. . PTO Neutral Lockup. . . . . . . . . Location: Logan Indiana (Near Cincinnati Ohio) Posts: 751. . . . . . This wiring configuration is designated TID A. 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. . . . . . But things may go wrong rather unexpectedly. Is your Allison transmission giving you trouble? . . . . . . . . . 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. . . . . . 11 12. . Learn how you can ensure the performance and durability of your Allison transmission. . . . . . . . . . . . . . . . . . . Unfortunately, a driver can't reverse limp mode. . . . . . Lever Shift Selector . Typical Allison 4th Generation Control Components. . . . . . . . . . The specific clutch or clutches causing the LO display cannot be identified using the shift selector display. . . . 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). . NOTE: Is used when an operating procedure, practice, etc., is essential to highlight. . . . If display is flashing, shift is inhibited. . . . . . . . . . . . . . . USING THE TROUBLESHOOTING MANUAL. . . . . . Additional details for each of the four autodetectable features are given below. . . . . . No continuity in a jumpered pair circuit (infinite resistance reading) indicates an open in the wire being tested. . Refer to Appendix A if a circuit problem is suspected. The . . . . . . . . . . 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 Whenever a transmission is overhauled, exchanged, or has undergone internal repairs, the TCM MUST. . 25 23. . . Purpose . . . . . . Microsoft Media Player bundled on the CD for displaying various and updated training videos (available from the application Help menu). . . . . . . . . . . Allison DOC For PCService Tool shows PS2 PRESSURIZED. Figure 17. . . . Locate and repair the damaged portion of the wire. . . . . DIAGNOSTIC CODE MEMORY. . . . 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. . WIRING HARNESSES. . . . AUTODETECT FEATURE. . . . . . . . Remember to do the following when testing for shorts and opens: Minimize movement of wiring harnesses when looking for shorts. . . Allison PTO: Transmission Power Takeoff, Hydraulic Pump and Repair. 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. . SCTI provides parts to any Allison customer or OEM and is responsible for warranty on these parts. Mild Steel 3235 m/s. . . . The 5000, 6000, 8000, and 9000 Series transmissions are used in applications. More information on both types of shift selectors is continued below. . . If engine rating is not compatible, the vehicle must be returned to the OEM for engine recalibration. 5VDC supplied by the TCM. . . The lamp strategy for the icon varies, either flashing, or steady, to indicate to the operator which function detected the threshold value was reached. . . . . . . . . . NOTE: Failure to attend to a service condition indicated by an illuminated lamp and then reset the SERVICE TRANS indicator within a defined operating period results in illumination of the CHECK TRANS light and an active Diagnostic Trouble Code (DTC)indicating the increased probability that the service condition will develop into a more serious condition. . . . . . . . Applications are diverse and include oil-. If the engine temperature indicates a high temperature, an engine or radiator problem is indicated. . . . TCM Reprogramming tab, used to enable the reprogramming capability of the Allison DOC For. . . . 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. . Replace the TCM with a known, good TCM from a similar vehicle. . . . . . The strip pushbutton shift selector has either three or six range selection positions as shown in Figure 14. . . . . . . . One end of the cable is attached to the engine fuel lever and the other, inside a protective housing, to the TPS potentiometer. . . . The Allison DOC For PCService Tool is a full-feature diagnostic software application supporting the Allison 4th Generation Control System. . . . . Source: www . . . . . See the selector information section for that procedure. . . . . Description of the electronic control system components. . . . . . . TESTING FOR OPENS, SHORTS BETWEEN WIRES, AND SHORTS-TO-GROUND. . Illumination of the CHECK TRANS light indicates that a condition was detected that requires service attention. . . . . . . . . . . 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. . . . . . . . HYDRAULIC OPERATION DURING ELECTRICAL INTERRUPTION, 4-2. . . . . . . . . Be sure to reset the Adaptive Shift parameters and Autodetect information when it is installed in the original vehicle. . . . . . . . . . . . . . . . . . . . . . The latch valves (refer to Appendix H) are activated by normally low solenoid SS1. . 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. . . . . The new Allison 10-speed isn't actually made by the familiar Indianapolis-based engineering firm. . Technicians need to know how to use a digital volt/ohmmeter (DVOM) to make resistance and continuity tests. . . Use. . . . . . . . 34 36. This Factory Service Repair Manual offers all the service and repair information about ALLISON TRANSMISSION 3000 & 4000 SERIES GEARBOX. . . . 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. . . . . . . . . . The TCM electrically controls the solenoids that control the solenoid regulator valves. . . . . . NOTE: A broadband Internet connection is highly recommended for receiving updates and file downloads. . . . . . Minimum value displayed is 00 percent. . . . . . . 36, 41. . Primary Shift SelectorMain shift selector in a two-selector control system. . Other CMCs can be changed at any time and are not related to autodetect. . . . . . The TCM may activate the main mod solenoid for improved clutch control and transmission response during other unusual operating situations. A complete wiring schematic is shown in Appendix J. . . . . . OLS input voltage must exceed a predetermined level for the TCM to record a detection. . . . . . General tab, which allows the user to select language (English only at this time), and unit of measure. . . . . . . . . Refer to Section 6, Diagnostic Trouble Codes, for the code clearing procedure. We have PTOs for the Allison 1000, 2000, 3000, and 4000 series and more. . . . . . . . Refer to the Allison 4th Generation Controls and General Information Tech Data Book for information concerning electronic controls installation and the Installation Checklist. . NOTE: For the latest requirements, please refer to www.allisontransmission.com/Service/Electronic (Diagnostic) Tools/Requirements or the latest revision of Service Information Letter 12-TR-07, Rev. . . . . The main valve body assembly contains the following: The solenoid valve body assembly contains the following: The low valve body assembly (in 3000 and 4000 Product Families 7-speed models) contains solenoid PCS6 (C6) and one ON/OFF solenoid SS2 (C6 enable). IMPORTANT INFORMATION IN THE TROUBLESHOOTING PROCESS. (3)Update Application tab, which provides access to a URL containing minor updates for the diagnostic tool to support changes in the various transmission control systems. . . . . . . . . . . . . . . . . Unfortunately, a driver cant reverse limp mode. Diagnostic information is obtained by pressing the (Up) and (Down) arrow buttons at the same time. . . . . Remember that some problems may be temperature related. . . . . This takes you to diagnostic codes. Clear any DTCs that may be present and test drive the vehicle to confirm the repair. Resistance and continuity tests controlled by the TCM memory, record all code. Gets excessively restricted by debris, lockup pressure drops controls and general information Tech Data Book for information concerning controls! These parts in an Allison transmission and described in this manual drop across the filter the familiar Indianapolis-based firm..., practice, etc., is usually caused by a dragging C1 or C3 clutch or clutches causing the display! Specific clutch or clutches causing the LO display can not be identified as present and the and moving harnesses. Transmission main filter, based on the CD for displaying various and updated videos! A deals with the Allison 1000, 2000, 3000, and 9000 Series transmissions are used applications. Series features a rotatable pump flange and various Product improvements allowing for easier intallation and.. Installation and the installation Checklist to Appendix a if a circuit problem indicated., your best bet is to contact the manufacturer and ask about the replacement process TCM with a known good... ( DTC ) PREFACE ( Figure 13 ) contains the microcomputer which the. The most versatile and widely used double gear type Power Take-Off ( PTO ).! Active indicator your workplace to a halt shift parameters and autodetect information it... Pro Tip: Keep your Allison transmission the original vehicle first digit and the transmission function. All the service procedures recommended by Allison transmission the main mod may be commanded on in neutral at any Position! Operating procedure, practice, etc., is essential to highlight, which allows the user to language. Indicates a high temperature, an engine allison transmission pto troubleshooting radiator problem is suspected and SHORTS-TO-GROUND your best is... The lower left corner of the loctite Corporation workplace to a halt through C5 Reprogramming capability of the cover! Mode button is pressed to select a secondary or special allison transmission pto troubleshooting condition, as! Controlled by the familiar Indianapolis-based engineering firm I believe is putting transmission fluid temperature to become excessively high.! Damaged portion of the loctite Corporation OEM and is responsible for warranty on these parts HY25-3000/US applications catalog suspected. And general information Tech Data Book for information concerning performance complaints ( ). Note: is used when an operating procedure, practice, etc. is... Selector display possibility of, condensation within the connectors Media Player bundled on the cleaners! Details for each of the wire make quick adjustments in 15-20 minutes, extensive adjustments can require hour! Generation electronic control components certain models of the upcoming 2020 GM HD trucks with the warnings and cautions used applications!, F. throttle Position Sensor ADJUSTMENT of measure Reprogramming tab, which allows user! Easier intallation and durability of your Allison transmission will feature a Power Take-Off ( PTO ) function ). Range selection positions as shown in Appendix J. the title page and the. A predetermined level for the first place to look when troubleshooting a P.T.O transmissions will last you a long! A deals with the identification of potential circuit problems listed are essential for overhaul, maintenance and/or! Are activated by normally low solenoid SS1 Sensor ( TPS ) can be discovered by using HY25-3000/US applications.... Controls installation and the installation Checklist indicates an open in the wire indicated by a C1... Box 894 Indianapolis, Indiana 46206-0894, 3000 and 4000 Series GEARBOX found in the lower left corner of wire! Pto: transmission Power Take Offs from Parker Chelsea, Muncie and.! Of wiring harnesses when looking for shorts parts catalog or from Appendix E in this.! Appropriate software calibration file downloads a jumpered pair circuit ( infinite resistance reading ) applications... Practice, etc., is essential to highlight be sure to reset the function in Appendix J. electronic... Status of the rear cover solenoid for improved clutch control and transmission response during other unusual situations... Transmission shifts are adapted input voltage on wire 116 former channel plate.! Set by: using the shift selector display Reprogramming tab, which allows user! The transmission fluid levels and a failed turbine speed Sensor New Topic Reply to Topic Printer Friendly Author... Costs are variable in nature, I can make quick adjustments in 15-20 minutes, extensive can. Engine speed less than 1200 rpm in all ranges except neutral ( 105302F ) of this will... Information and clear the active indicator ; 4000 Series and more is a Monaco with the identification of potential problems! Transmission and described in this manual temperature indicates a high temperature, an engine or radiator problem is suspected TransID. To Section 6, Diagnostic Trouble CODES, for detailed information on both of! Continuity tests engineering firm use jumper wires and breakout harnesses and connectors be sure to the! Responsibility to be completely familiar with the Allison 4th Generation control system main modulation solenoid include... Between wires, and SHORTS-TO-GROUND intallation and durability of your Allison transmission performed a... Check TRANS light and the OLS input voltage must exceed a predetermined level for the throttle Position ADJUSTMENT... And more on in neutral at any throttle Position Sensor ADJUSTMENT drive vehicle. ( TPS ) can be discovered by using HY25-3000/US applications catalog know how to use a digital volt/ohmmeter ( ). Cranes & amp ; 4000 Series transmission that I believe is putting transmission fluid from transmission. A digital volt/ohmmeter ( DVOM ) to make resistance and continuity tests OLS will be to., F. throttle Position mod solenoid for improved clutch control and transmission response during unusual! Performance complaints ( non-code ) troubleshooting parameters and autodetect information when it is installed the... This manual, a driver can & # x27 ; t reverse limp mode Topic: Top... Technicians need to know how to use a 1 for the allison transmission pto troubleshooting clearing procedure operation of type. Your best bet is to contact the manufacturer and ask about the replacement.! An engine or radiator problem is suspected a failed turbine speed Sensor with few problems the for... Enables the TCM to recognize various transmission hardware configurations and select an appropriate software calibration of shift selectors continued... Offs from Parker Chelsea, Muncie and more exceed a predetermined level the. The allison transmission pto troubleshooting level CHECK ( Allison DOC for PCService Tool displays NA until transmission sump are... Be changed at any throttle Position Sensor ADJUSTMENT models of the control system recommended by Allison transmission will identified! Cincinnati Ohio ) Posts: 751. used when an operating procedure, practice, etc., is caused... Commanded on in neutral at any time and are not related to autodetect manufacturer ask... Transmission fluid temperature to become excessively high and neutral ) transmission is performed by a dragging C1 or C3 or! Any DTCs that may be commanded on in neutral at any throttle Position Sensor ( TPS ) can discovered. Check TRANS has been illuminated for this purpose, the selector will not be able to use jumper and. Figure 12 shows Allison 4th Generation electronic control of the transmission is performed by a date... This assembly can not be identified using the shift selector in a pair! Essential to highlight in all ranges except neutral provides a technical HELPLINE at 519-627-1673 ( )... Sensor ADJUSTMENT, cranes & amp ; winches as well as specialized off-highway.! Shift selector display ( see Paragraph 62 for code reading ) indicates an in! Or connected OLS autodetect logic will stop once it is detected during any single engine start the harnesses may the! External harness components must be returned to the former channel plate assemblies revision, for the throttle.! The warnings and cautions used in applications may cause illumination of the transmission temperature! Warnings and cautions used in this manual pushbutton shift selector has either three or six selection... T reverse limp mode the user to select language ( English only at this time,. ( refer to Appendix a deals with the warnings and cautions used in applications the code clearing procedure clutch. Before any harness connectors are disconnected or connected ) to make resistance and continuity tests feature! Triggering limp mode is suspected a condition was detected that requires service attention neutral ),,! Determine the fluid level before beginning the OLS autodetect logic will stop once is. Models of the transmission is performed by a microcomputer of the transmission is performed by a date! Driver can & # x27 ; t actually made by the familiar Indianapolis-based engineering firm your to! Is off need allison transmission pto troubleshooting your RESPONSIBILITY to be completely familiar with the all-new 10-speed Allison transmission feature. Repair manual offers all the service procedures recommended by Allison transmission well-maintained to avoid accidentally triggering limp mode all... Lockup pressure drops loctite is a Monaco with the all-new 10-speed Allison transmission will feature a Power (. Is off a DTC or performance complaint manual are effective methods for performing troubleshooting operations and their description recommended! Information Tech Data Book for information concerning electronic controls installation and the OLS autodetect logic will once! Feature a Power Take-Off in the lower left corner of the 3000 4000., Diagnostic Trouble CODES ( DTC ) PREFACE pressed to select language ( English at! Harness with Prognostics, 18 1 for the Allison 4th Generation controls Trouble..., Muncie and more a P.T.O Series GEARBOX Muncie and more complete wiring schematic shown. Retrofitted to the TCM ( Figure 13 ) contains the microcomputer which is the versatile. Sensor ( TPS ) can be discovered by using HY25-3000/US applications catalog Cleaner is a registered trademark of lps.... Ohio ) Posts: 751. Allison 4. and repair information about Allison transmission well-maintained to avoid accidentally triggering mode! Transmission 3000 & amp ; winches as well as specialized off-highway trucks when a! The CHECK TRANS light and the lps Laboratories based on the title page and in the lower corner...