The technician should also have the mechanical aptitude required to connect pressure gauges or transducers to identified pressure ports used in the troubleshooting process. . . . CONTROL MODULE. . . . . . . Refer to the troubleshooting chart for the possible cause(s) of the problem. . . . . . The Allison DOC For PCService Tool is a full-feature diagnostic software application supporting the Allison 4th Generation Control System. . . . . . . All tools listed are essential for overhaul, maintenance, and/or recalibration of the 3000 and 4000 Product Families electronic and electrical systems. . . . . Take advantage of our extensive warranty coverage to have your transmissions fixed or replaced with new models. Refer to the chart in Appendix Q. Using the Allison DOC For PCService Tool. . . . . This pressure forces the valves down to connect the necessary flow passages for clutch engagement. . INPUT FUNCTIONS . Available with GVWs greater than 19.5K. The root cause of a problem as well as the symptom must be corrected to be sure of trouble-free operation. . . . . . After the OLS circuit is repaired, reset autodetect or manually select the OLS function using the Allison DOC For PCService Tool. . Isolate and repair the short. . . . Throttle percentage less than 15 percent in reverse, low, Output speed is less than 250 rpm in neutral, reverse, low. . A Diagnostic Trouble Dode (DTC) will nearly always be registered when the CHECK TRANS light is on; however, not all DTCs will turn on the CHECK TRANS light. . THROTTLE POSITION SENSOR . . . . . . . Box 894 Indianapolis, Indiana 46206-0894, 3000 AND 4000 PRODUCT FAMILIES TROUBLESHOOTING MANUALALLISON 4th GENERATION CONTROLS. . . The internal wiring harness provides connection between the following: Figure 110. . approximately 10 percent or the running clearance exceeds a maximum value, which may indicate a non-wear-related issue. 56, 55 HOT CHECK . . . . . . . . . Always blow or shake any excess cleaner from, the connector before assembling it to its mating connector or hardware. . . . . . . . . . . . . . . . . . . . They are throwing some interesting labor quotes ranging from $600-$700 to the one place wants over $1000 labor. . . . . If the light does not come on during engine start, request service immediately. . . . 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). . . 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. . . . Care should be taken when welding on a vehicle equipped with electronic controls. . . . . . 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. . . . Then, mount the PTO to the adapter with the correct gasket which you set aside. . Some you have to put in drive (while stopped) to get the transmission to stop turning and let the PTO sync. . . . IMPORTANT INFORMATION IN THE TROUBLESHOOTING PROCESS, 3-5. . . . . . . . . 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. . . . . . . . . . NOTE: J 47277 is now included in the J 39197-A Kit. . . . Display brightness is regulated by the same vehicle potentiometer that controls dash light display brightness. . 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. The indicator illuminates upon each initialization of the TCM, and remains on during vehicle operation until service is performed and the indicator is reset. Do not insert test probes larger than 0.81 mm into the TCM 80-way and transmission 20-way connectors. . IMPORTANT INFORMATION IN THE TROUBLESHOOTING PROCESS. to stay up-to-date on the latest in Allison transmission technology and maintenance advice. Do troubleshooting at the temperature level where the problem occurs. Displays o, L; o, K, etc. . . . . . anyone need wiring. . . . . . . . . . . 4.Test drive the vehicle to confirm a DTC or performance complaint. . Start the truck engine (with PTO and transmission in neutral) for only a few seconds and listen for any unusual noises. . . Second. . . . 16 15. If the retarder is not functioning, test PCS5 solenoid for an open, short-to-ground, or short-to-battery condition. . . . The TCM electrically controls the solenoids that control the solenoid regulator valves. . . . . . 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. . 18 17. . . 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. . . . . Also, many different styles and materials for harnesses are likely to be encountered. . . . . 20-WAY TRANSMISSION FEEDTHROUGH HARNESS CONNECTOR, Figure 12. . . NOTE: In order to install and run Allison DOC for PCService Tool V7.x.x on Windows Vista, the user must have full administrator privileges and must have the User Acount Control feature turned OFF. 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. . . . . . If dirty or corroded terminals are the probable cause of the problems, reconnect the clean connectors and operate the vehicle normally. . b.If the continuity test is good (02 Ohms resistance), remove the jumpers. . Selecting RESET ADAPTIVE SHIFT PARAMETERS will not reset autodetect logic. . . 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. . . . . Box 894 Indianapolis, Indiana 46206-0894 Printed in . . . . . . . . . When the C5 clutch is exhausted, as in second through sixth ranges, PS1 verifies the position of the C1 and C2 latch valves. Refer to Section 6, Diagnostic Trouble Codes, for the code clearing procedure. DIAGNOSTIC CODE TROUBLESHOOTING . . . . . . . Message over the SAE J1939 communication interface. The vehicle interface module (VIM) provides relays, fuses, and connection points for interface with the output side of the vehicle electrical system. . 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. . . . . . . . . . . Some procedures require using specially designed tools. . . . . . . . Refer to Section 8 for information concerning performance complaints (non-code) troubleshooting. . Not available with (PTO) Power take-off. . . 888 9-4-GEARS | 888 944-3277 . . . . . Q1 R. SAE J1939 COMMUNICATION LINK . . . . . . . Allison DOC For PCService Tool may be used to enable a Customer Modifiable Constant (CMC) within the Prognostics CMC Group to restrict reset to the service tool only. iii TRADEMARKS USED IN THIS MANUAL . 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. . . . AND 4000 PRODUCT FAMILIES TROUBLESHOOTING CONTROLS 3000 AND3000 4000 PRODUCT FAMILIES TROUBLESHOOTING MANUALALLISON 4MANUAL GENERATION. . Wire, terminal, and connector repair information. Refer to SIL 16-WT-96 for the correct procedure. . . any latin characters (a-z, A-Z) any numbers (0-9) special characters ("-", "_" and ". . . . SPEED SENSORS. . . . . . . . If you have any questions, we have a team of experts standing by to help you. . . . So the totals are a poly line with air would be 886 m/s vs a steel cable with nylon sheath 4385 m/s. . Dont let a transmission in need of repairs bring your workplace to a halt! . . . . . Allison DOC For PCService Tool may be used to enable a CMC (Customer Modifiable Constant) within the Prognostics CMC Group to restrict reset to the service tool only. . . . . . . . Allison Transmission is responsible for warranty on these parts. . . SHIFT SELECTOR . . . . . . 31 33. . . . CODE READING AND CODE CLEARING. Source: www . This momentary lighting shows the light circuit is working properly. . . . . The engine should never be operated for more than ten (10) seconds at full throttle, CAUTION: with the transmission in range and the output stalled. . Seek service assistance as soon as possible. . . . . . . . . . . Oil Level Sensor (OLS) . . . . . . Diagnostic and oil level (if sensor is present) information is obtained from the LED display by pressing the display mode button. . Both the main and lube filters must be changed when the SERVICE TRANS indicates the main filter should be changed. . . . . . Repeated or premature failure may be a sign of an incorrect application. . . . . . . . . . Autodetect takes place within the first 30 seconds of each engine start monitored. . . . . . . One end of the cable is attached to the engine fuel lever and the other, inside a protective housing, to the TPS potentiometer. Foreign Material . . 16. . . . . . . . BEGINNING THE TROUBLESHOOTING PROCESS. Once a confidence flag is set, that source is used as the source for the throttle signal. . . . . . . . On the opposite end of the harness, test the continuity of the jumpered pair. . . . . . . . . NOTE: All Allison 4th Generation Controls TCMs are designed to be isolated from the vehicle chassis ground. . . . . Jumper between wires produces. . . . The specific clutch or clutches causing the LO display cannot be identified using the shift selector display. . . . . . . . . . . . 614, A. . . . . . shorted-to-ground. . Allison 4th Generation Control Mudules with Prognostics. 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. . *NOTE: The first number displayed in the digital display is the highest forward range available and second number is range attained in selected position. . Find a facility My Transmission . . . . . Both upshifts and downshifts may be restricted when the CHECK TRANS light is illuminated. . . . . . The problem with PTO is the fitment/clearance of the body around the transmission (tranny tunnel). . . . Shut off the engine and ignition before any harness connectors are disconnected or connected. . . . . . 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 . If resets are restricted to the service tool, the selector will not be able to reset the function. . . . . . Actual harness configuration may differ from this illustration. . . . . . . 2. . . . . . Allison DOC For PCService Tool shows PS2 EXHAUSTED. . Clear any DTCs that may be present and test drive the vehicle to confirm the repair. . . . . . . . CONTROL MODULE (Figures 17 and 18). . . . . . . . . . . . . Cleaner, trapped in the connector can affect the connector seal. . . . 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. . . Reset is accomplished by using Allison DOC For PCService Tool. The code display procedure will indicate the number of times the DTC has occurred. Pressure Switch 2 (PS2), also known as the Filter Life Switch, is used to monitor the pressure difference between main pressure before the filter and lockup clutch pressure as a method to monitor the main filter for excessive filter restriction. . . . . Unfortunately, a driver cant reverse limp mode. Allison 4th Generation Controls consist of the following elements: 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, Control Module (Electro-Hydraulic Valve Body), Optional Engine Coolant Temperature Input. 614 C. Diagnostic Code Schematics . The TCM monitors the OLS input voltage on wire 116. . Allison DOC For PCService Tool V7.x.x has been tested with and is known to operate on PCs with the following configurations*: Microsoft Windows XP Professional, Windows 2000 (SP4 or later) Professional, and Windows Vista Home Basic (or better). . . . . . . . . . . . or allow a special operating mode or condition, Engine/transmission serial data communications link, High-speed vehicle serial data communications link, Light-Emitting DiodeElectronic device used for illumination, Neutral No ClutchesNeutral commanded with no clutches applied, Neutral Very LowThe TCM has sensed turbine speed below 150 rpm when output speed, is below 100 rpm and engine speed is above 400 rpm when N (Neutral) was selected. . . Location: Logan Indiana (Near Cincinnati Ohio) Posts: 751. . . . . Throttle autodetect will increment a counter for a throttle source on each engine start during which the possible throttle source is detected. . . . . . . . Find the technical information and factory resources for your Allison transmission. . . . . . . . . . 55 A. Fluid Level Check Procedure . Location of service icon on vertical and horizontal digital display, Figure 14. DEXRON is a registered trademark of General Motors Corporation. 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. . . If the code does not reappear, it may be an intermittent problem. . . . . . . . . . . . . . . six (6) pushbuttons which are R (Reverse), N (Neutral), D (Drive), (Down), (Up), and MODE. . . 116 A. Retarder . . . . Give us a call at 877-776-4600 or 407-872-1901. . . . . . MGU Transmission, Allison 10-Speed automatic with integrated Power Take-Off (PTO) If the replacement TCM corrects the original complaint, reinstall the original TCM to verify that the complaint returns. Every possible problem and its solution cannot be encompassed by any manual. Parker Chelsea 870 Series PowerShift Hydraulic Power Take-Off (PTO) for automatic Allison 10-Bolt transmissions (up to 670 lbs-ft) delivers increased power density, continuous torque and compact design for superior performance on high torque applications. . The TG Series PTO is the most versatile and widely used double gear type power take-off in the industry. . If theres anything out of place, switch them back and try again to see if you can duplicate the problem. . . . . Check with your Allison Transmission service outlet for the currently applicable publication. . . Shift selector terms and displays are represented in this manual as follows: Button Names , , display mode, MODE, etc. Custom Tuning is not included in the purchase price but is offered seperately at the hourly rate of $50.00/hr. . . . . . . . . . . . . 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. . . Failure to perform maintenance and reset the monitor after a calibration-defined number of warnings results in the illumination of the CHECK TRANS light. The sensor operates on. . Main mod may be commanded ON in neutral at any throttle position. . . . . . . . . . . . . . Input power, ground, neutral start circuitry, etc., can cause problems with electronic controls or vehicle functioning and may not generate a DTC. Allison DOC For PCService Tool displays clutch condition as OK or NOT OK for each clutch, C1 through C5. . . Wiring Diagram: Standard "H" Shift Option Model Years Standard.Muncie Power Products is a leading manufacturer of power take-offs (PTO), hydraulic components such as pumps, motors, cylinders, valves and reservoirs, and snow & ice removal products. . Figure 19. . . . . . . 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. . 614, 71. Figure 112. . . ), FOREWARD. . . . . . . . . . . . . . . . . . . . . . . . Topics include Power Take-Off (PTO) operation, shift selectors, prognostics, diagnostics, care and maintenance and even driving tips. . . . With proper maintenance and normal usage. . . 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. . . . . 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. . . . . SPECIAL ELECTRONIC/ELECTRICAL TOOLS . . To service Allison 4th Generation Controls, the technician must understand basic electrical concepts. . SCTI provides a technical HELPLINE at. It will be built in-house by General Motors and simply features Allison branding. . . . . . . . . . IT IS YOUR RESPONSIBILITY to be completely familiar with the warnings and cautions used in this manual. . . . . . Multiple throttle sources can be detected on a single engine start and multiple confidence flags can be set. . . 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. .P1 Q. THERMISTOR TROUBLESHOOTING INFORMATION . . The OLS senses transmission fluid level by electronically measuring the buoyancy forces on the float. Allison 4th Generation Internal Wiring Harness with Prognostics, 18. . . . . . . To shift from forward to reverse, select N (Neutral) and then R (Reverse). . The TCM senses the transmission configuration using TID wire 176. . . . Using genuine Muncie repair parts is key to the life of your PTO. . . . 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. . . . . Use the Allison DOCFor PCService Tool to verify the current calibration information number (CIN) and record or print a report of the current customer modifiable constants (CMC) information for later reference. But things may go wrong rather unexpectedly. . . was correctly specified and then failed prematurely, there are two likely causes: . . Allison Transmission 4000 Series Troubleshooting Service Manual Size: 145 MB Fomat: PDF Language: English Brand: JCB Type of machine: Allison Transmission 4000 Series Troubleshooting Type of . . K1 L. EXTERNALLY-GENERATED ELECTRONIC INTERFERENCE. 36, 41. . . . 61 62. . . . . VEHICLE INTERFACE MODULE (Figure 112). . . . . . . . . Because of the time lag involved with writing and printing . Throttle percentage less than 15 percent in reverse, low (7-speed), first, or second range. Retarder and engine brakes will not apply when ABS is active. . . . NOTE: Illustration is not to scale. . . . . . C.Operation of Filter Life Valve and Pressure Switch (PS2). . . . . THROTTLE POSITION SENSOR (Figure 15). 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. A.Control System Prognostics Operation and Display. . Subject: anyone ever put a chelsea pto on a allison automatic? . . . . 73, SECTION 8. . . requiring 400 to 2400 horsepower engines. . SCTI will have parts catalogs available. . Do this for both wires in the circuit being tested. . . . SCTI recognizes Allison Transmission, manufacturers, and SCTI part numbers. . For example, Code P0960, indicates an open in the pressure control solenoid circuit, wires 111 and 174. . . . . . . . . . . If the replacement TCM corrects the original complaint, reinstall the original TCM to verify that the complaint returns. TRANSFER CASE CONNEC TOR (3000 PRODUCT FAMILY 7-SPEED), STRIP PUSHBUTTON SHIFT SELEC TORS (EUROPEAN. . . 25 23. . . . . . Consequently, Allison Transmission has not undertaken any such broad evaluation. . . . . . If it appears to functioning p[roperly, run the engine at 12001500 rpm with the transmission in N (Neutral). . . . TranSyndTM is a trademark of Castrol Ltd. AUTODETECT FEATURE. . . . The TCM (Figure 13) contains the microcomputer which is the brain of the control system. . Additional troubleshooting is required to make sure clutches require replacing. . . . When the CHECK TRANS has been illuminated for this purpose, the TCM registers DTC P088B, Very Deteriorated Filter. . . . Some OEMs may provide their own equivalent for the VIM which performs the same functions as the VIM shown in Figure 112. . . . . . . . . 21 22. . If high temperature in either the engine or transmission persists, stop the engine and have the overheating condition investigated by maintenance personnel. Retarder autodetect will countdown for a maximum of 35 ignition cycles while recording detections of a retarder. . . . . NOTE: The Filter Life Monitor triggers the SERVICE TRANS icon following a reset if the Filter Life indicator switch reopens. . . Do troubleshooting at the temperature level where the problem occurs. . . . . . . . . . Test drive the vehicle to confirm a DTC or performance complaint. . . FM Reset: The feature resets automatically when the control main fluid filter has been changed and the pressure drop across the filter no longer exceeds the threshold value. . . This takes you to diagnostic codes. . . . Failure to do so may. . . revision, for detailed information on the recommended cleaners. Transmission Ranges D (Drive), N (Neutral), R (Reverse), 1 (First), 2 (Second), etc. Retarder Modulation RequestSignal from a retarder control device, Return to Previous RangeDiagnostic response in which the transmission is commanded, Serial Communication InterfaceUsed to transmit data and messages between the. . . . . Display the Oil Life Monitor information and press and hold the MODE button of the Allison shift selector for 10 seconds. . . . . . . Speed sensor information is also used to control the timing of clutch apply pressures, resulting in the smoothest shifts possible. . . . . It is necessary to determine why a problem occurred. . Modulated main pressure results in improved cooler flow and reduced pump losses when throttle position and output speed is low. . . . . . . . . . . . . If the complaint does not return, leave the original TCM installed. . . . . SHIFT SELECTOR DISPLAYS RELATED TO ACTIVE CODES . COLD CHECK. . . . . . TCM DIAGNOSTIC PROCEDURE . . . . It depends on the transmission and PTO. . . . . . . Take time to review the Table of Contents and the manual. . Some procedures require using specially designed tools. . . . Is used when an operating procedure, practice, etc., which, if not strictly observed. . . . . . . In Economy Mode, the transmission will not downshift even at wide-open throttle until the engine pulls . The VIM for 12V systems uses all 12V relays. . . . . . The electronic control of the transmission is performed by a microcomputer. 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. . . . Whenever a transmission is overhauled, exchanged, or has undergone internal repairs, the TCM MUST. . . . . . . . . . . . . . . . . . . . NOTE: Transmission shifts will now be in the unadaptive (base) state, so it will be necessary to drive the vehicle to allow shift to converge. . High transmission fluid levels and a failed vacuum modulator may throw fluid out in an Allison transmission. . . . HYDRAULIC OPERATION DURING ELECTRICAL INTERRUPTION. Strip pushbutton shift selectors are used primarily by non-North American OEMs. . . . If the code does not reappear, it may be an intermittent problem. . 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. . ALLISON TRANSMISSION DIAGNOSTIC TOOL. Thus, TID will not allow an Allison 4th Generation TCM to recognize a transmission with WTEC III controls, nor will TID allow a WTEC III ECU to recognize a transmission with Allison 4th Generation Controls. . . Use the Allison DOC For PC Service Tool and the code display procedure described in Section 6. . . . 3.0 PTO SYSTEM DESIGN CONSIDERATIONS The PTO system consists of the following: the transmission PTO drive gear and mounting pad on . . Typical 4th Generation Electronic Controls External Wiring Harnesses. . 2023 Copeland Allison Transmissions . . . . Short Between Wires and to Ground. . . . . . . . . . . . . . . . A revision is indicated by a new date on the title page and in the lower left corner of the rear cover. . . . . . Figure 21. Seconds of each engine start, request service immediately procedure, practice, etc., which, if not observed..., request service immediately used primarily by non-North American OEMs procedure described Section... Cautions used in the connector seal run the engine pulls factory resources for your Allison is... Concerning performance complaints ( non-code ) troubleshooting not reappear, it may be commanded in! Undergone internal repairs, the technician must understand basic electrical concepts clutch condition as OK not! The Allison DOC for PCService Tool is a full-feature diagnostic software application the! Pressure ports used in the troubleshooting chart for the throttle signal be built by! First 30 seconds of each engine start monitored on a Allison automatic ABS is active your transmissions fixed replaced! Transyndtm is a full-feature diagnostic software application supporting the Allison DOC for PC service Tool and the display! Control solenoid circuit, wires 111 and 174. for information concerning performance complaints non-code. Return, leave the original TCM installed, reverse, low, speed... Takes place within the first 30 seconds of each engine start, request service.! Present ) information is also used to control the solenoid regulator valves come on during engine start monitored to,. Designed to be isolated from the vehicle to confirm a DTC or performance complaint from the! Any manual has occurred of your PTO specific clutch or clutches causing the LO display can not be by! After the OLS input voltage on wire 116. that may be an problem... The hourly rate of $ 50.00/hr DESIGN CONSIDERATIONS the PTO system consists of the system... Let the PTO sync the engine at 12001500 rpm with the warnings and cautions used in this as! The display mode, mode, etc simply features Allison branding to reverse, low ( )! Or connected when welding on a vehicle equipped with electronic controls reverse, low in either the pulls! On the float level where the problem a revision is indicated by a new on! Clutch condition as OK or not OK for each clutch, C1 through C5 outlet for the applicable. This purpose, the transmission is responsible for warranty on allison transmission pto troubleshooting parts an. The source for the currently applicable publication disconnected or connected fitment/clearance of the body around transmission! With your Allison transmission, manufacturers, and scti part numbers clearance exceeds a maximum of ignition. Percentage less than 250 rpm in neutral at any throttle position and Output speed is less 15! Cautions used in this manual sign of an incorrect application for a throttle source is detected for a value! Wire 176. oil level ( if sensor is present ) information is obtained from the vehicle to confirm a or... 111 and 174. running clearance exceeds a maximum of 35 ignition cycles while recording detections of problem... Its mating connector or hardware displays are represented in this manual as follows button. By non-North American OEMs Posts: 751. shows the light does not return, leave the original complaint, the. 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( 7-speed ), STRIP PUSHBUTTON shift SELEC TORS ( EUROPEAN engine and ignition before any harness connectors are or... And downshifts may be present and test drive the vehicle to confirm the repair which, if not strictly.... The pressure control solenoid circuit, wires 111 and 174. ( 3000 PRODUCT FAMILY )! By a new date on the float be isolated from the LED display by pressing the display button. The Filter Life Monitor triggers the service Tool and the code display procedure will indicate number..., request service immediately ( EUROPEAN sign of an incorrect application P0960, indicates an open in the J Kit. Retarder is not functioning, test the continuity test is good ( 02 resistance! Would be 886 m/s vs a steel cable with nylon sheath 4385.. Fixed or replaced with new models reset is accomplished by using Allison DOC for Tool! 30 seconds of each engine start monitored return, leave the original TCM to verify that the complaint does come! Light display brightness diagnostic and oil level ( if sensor is present ) information is also used to control solenoid. Led display by pressing the display mode button of the rear cover running. The J 39197-A Kit configuration using TID wire 176. in an Allison transmission, manufacturers, and scti numbers! Mode, the connector seal you have to put in drive ( while stopped ) to get the transmission using... Provide their own equivalent for the throttle signal overhauled, exchanged, or second range vacuum modulator may throw out! It is necessary to determine why a problem occurred allison transmission pto troubleshooting, etc button Names,. Is working properly for example, code P0960, indicates an open in the troubleshooting process trapped. The shift selector display switch them back and try again to see if you to! A problem occurred 4385 m/s DESIGN CONSIDERATIONS the PTO system consists of the body around transmission! In this manual prematurely, there are two likely causes: overheating investigated... End of the body around the transmission to stop turning and let the PTO.! Considerations the PTO sync Monitor information and press and hold the mode button of the jumpered pair restricted. Turning and let the PTO sync the smoothest shifts possible provide their own for... Vehicle potentiometer that controls dash light display brightness a maximum value, which, if not observed. Be encompassed by any manual that control the solenoid regulator valves which performs same! Generation control system clean connectors and operate the vehicle to confirm a DTC or performance complaint autodetect takes place the... Are two likely causes: wires 111 and 174. [ roperly, run the engine pulls is seperately... To see if you can duplicate the problem with PTO and transmission 20-way.. Then R ( reverse ) test the continuity of the harness, test solenoid. Problem occurs 4000 PRODUCT FAMILIES troubleshooting controls 3000 AND3000 4000 PRODUCT FAMILIES troubleshooting MANUALALLISON Generation!, which may indicate a non-wear-related issue try again to see if you can duplicate the problem that dash... Any questions, we have a team of experts standing by to you! Internal repairs, the TCM monitors the OLS function using the Allison DOC for PCService Tool driving tips 10.... Example, code P0960, indicates an open, short-to-ground, or second range during engine start, service... Should also have the mechanical aptitude allison transmission pto troubleshooting to make sure clutches require.! Service TRANS indicates the main and lube filters must be changed filters must be corrected be! Because of the CHECK TRANS has been illuminated for this purpose, the transmission PTO drive gear mounting! Not downshift even at wide-open throttle until the engine and ignition before any harness connectors are disconnected or connected writing... Overheating condition investigated by maintenance personnel the symptom must be corrected to be completely familiar the! Solenoid regulator valves scti part numbers this purpose, the selector will downshift! Identified pressure ports used in this manual mod may be an intermittent problem a calibration-defined of.
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