See Figure 1. . . . Failure to follow these procedures may cause illumination of the CHECK TRANS light and the transmission will be restricted to N (Neutral). . . Manual forward range downshifts and upshifts are made by pressing the (Down) or (Up) arrow buttons after selecting D (Drive). . . . . . . . 4.Review the Allison 4th Generation Controls wire numbering system described in Paragraph 34. . . . The display message, seen in Allison DOC For PCService Tool or the Allison shift selector, identifies clutch life status, as determined by monitored changes and the calculated running clearance of the transmission clutches C1, C2, C3, C4, and C5. . IMPORTANT INFORMATION IN THE TROUBLESHOOTING PROCESS, 3-5. 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 the complaint is confirmed. . . Resistance tests involving wiring between the TCM connector and other components adds about one Ohm of resistance to the component resistance shown. . . . Beginning the Troubleshooting Process . If the problem recurs, proceed with Step (4). . . . . . . . . . . . . . . Pressure tap locations and pressure values are shown in Appendix BDetermining Clutch and Retarder Pressures. . . . .ii IMPORTANT SAFETY NOTICE . Allison Transmission is responsible for warranty on these parts. . . . NOTE: When sump temperature is below 10C (50F) and transmission fluid is C4 (not DEXRON or TranSynd), follow these procedures when making directional shift changes: To shift from forward to reverse, select N (Neutral) and then R (Reverse). . Message over the SAE J1939 communication interface. . . . . Find a facility My Transmission . Dec 22, 2022 Full Story Newsroom Media Resources 1 2 3 Sales + Service Locator Find an Allison authorized service facility near you. The four items above are the only CMCs that are autodetectable. . . Determine if DTCs have set by: Using the shift selector display (see Paragraph. . Appendix A deals with the identification of potential circuit problems. . . . . . . . Second. . . The C1 and C2 latch valves have been designed into the clutch circuits to provide this default feature (refer to Appendix H.). . . . Be sure to reset the Adaptive Shift parameters and Autodetect information when it is installed in the original vehicle. . . 34 36. . . . revision, for detailed information on the recommended cleaners. Engine speed less than 1200 rpm in all ranges except neutral. . . DEXRON is a registered trademark of General Motors Corporation. . . . . . Pushbutton and lever shift selectors for the Allison 4th Generation Series are remote mounted from the TCM and communicate to the TCM via the J1939 communications data link. Allison DOC For PCService Tool will show an inhibited state when Neutral Lockup is active and range shifts are being inhibited to neutral. . The strip pushbutton shift selector has either three or six range selection positions as shown in Figure 14. 117 D. Engine Coolant Temperature . . . RESETTING TCM AUTOSELECT . . 14 B. . . . Allison DOC (Diagnostic Optimized Connection) For PCService Tool is a PC-based diagnostic tool for use with 3000 and 4000 Product Families transmissions. This feature is not available with 7-speed transmission models. Proper service and repair is important to the safe and reliable operation of the equipment. . . . . The Allison 4th Generation controls system includes a main modulation solenoid. . Check phasing, angularity, and slip movement of driveshaft. . . . . . During an electrical interruption, the latch valves cause the transmission to engage specific clutches based on the range in which the transmission was operating when the interruption occurred. Do troubleshooting at the temperature level where the problem occurs. . Use the P/N from your appropriate parts catalog or from Appendix E in this manual. . . . . . . . NOTE: All Allison 4th Generation Controls TCMs are designed to be isolated from the vehicle chassis ground. . . . will last you a very long time with few problems. . . . . . . . 25 23. PTO Neutral Lockup. . . . . 56 B. . . . . . . . . . . The hold override button must be pressed when shifting between R, N, and D. The hold override button is released when the desired selector position is reached. . . . . . . If the retarder is not functioning, test PCS5 solenoid for an open, short-to-ground, or short-to-battery condition. . . . . . . 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. . . . . . . . . Use the P/N from your appropriate parts catalog or from Appendix E in this manual. . . . Allison. .614 B. Solenoid Locations . . . . . . . . . Copyright 2008 Allison Transmission, Inc. P.O. . . 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). It is necessary to determine why a problem occurred. . . . . . . NOTE: J 47277 is now included in the J 39197-A Kit. . . 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. . SCTI will have parts catalogs available. TM Reset: This feature resets itself automatically after maintenance/repair is done to correct the condition that caused the warning for excessive clutch clearance. Owning Continue reading Allison Automatic Transmission Wiring At least until the wiring problems began a year or two later. Additional information may be published from time to time in Service Information Letters (SIL) and will be included in future revisions of this and other manuals. . . . . . . . . . . TCMs are available in both 12V and 12/24V configurations to match the configuration of the vehicle electrical system. . . . . . . . . . . 32 34. . . . . . . . . . 13 13. . Locate the appropriate troubleshooting chart and follow the instructions. . . . Using the Allison DOC For PCService Tool. . . . . . . The oil level sensor is available on any 3000 and 4000 Product Families transmissions except the 3000 7-speed transmissions. . . . More information on both types of shift selectors is continued below. . Use the Allison DOC. . . 116 A. Retarder . . . Allison Transmission Troubleshooting Manual 5000, 6000, 8000, 9000 Series Download. . Retarder and engine brakes will not apply when ABS is active. . . . . . . Determine if DTCs have set by: Using the shift selector display (see Paragraph 62 for code reading). . 8 o'clock position: 1.00 x engine speed. The TCM reads the following to determine when to command a shift: In order to control the oncoming and off-going clutches during a shift, the TCM monitors: When the TCM detects an electrical fault, it logs a DTC indicating the faulty circuit and may alter the transmission operation to prevent or reduce damage. Additional details for each of the four autodetectable features are given below. . OM Reset: The function may be reset by one of the following methods: NOTE: Prognostic information can only be reset in the higher of two shift schedules, if applicable. If the ignition cycle counter completes the 35 cycles before there are three consecutive detections of a retarder, the software will log that there is no retarder and the retarder autodetect logic will stop. The SERVICE TRANS icon flashes up to 2 minutes at key on after D (Drive) is selected. . . . . . . . . . . . . . . . . Here are a few potential fixes! . . . . . . . . . . . . . If the replacement TCM corrects the original complaint, reinstall the original TCM to verify that the complaint returns. . . . DIAGNOSTIC CODE TROUBLESHOOTING . . . . . . . . . . . . . It will be built in-house by General Motors and simply features Allison branding. . . SPECIAL ELECTRONIC/ELECTRICAL TOOLS . . . . . . . . . . distort the socket terminals inside the connectors and cause them to lose the necessary tension to maintain firm contact. . . . D (Drive) or R (Reverse) will not be attained unless the shift is made with the engine at idle. . The TCM senses the transmission configuration using TID wire 176. . . . . . . All TCMs programmed and sold after that date will be loaded with the new TID calibration. . . OM TRANSMISSION SERVICE Condition: The SERVICE TRANS indicator illuminates when transmission fluid needs to be changed. . . . 2.When a problem exists but a DTC is not indicated, refer to the Performance Complaint Section (Section 8) for a listing of various electrical and hydraulic problems, their causes, and remedies. SCTI provides parts to any Allison customer or OEM and is responsible for warranty on these parts. . . What I have is a Monaco with the 4000 series transmission that I believe is putting transmission fluid from the transmission . . . . When the C5 clutch is exhausted, as in second through sixth ranges, PS1 verifies the position of the C1 and C2 latch valves. If your implement/pump will fit, it is PTO capable. . . . . . Pro Tip: Keep your Allison transmission well-maintained to avoid accidentally triggering limp mode. . . NOTE: The Filter Life Monitor triggers the SERVICE TRANS icon following a reset if the Filter Life indicator switch reopens. . Take advantage of our extensive warranty coverage to have your transmissions fixed or replaced with new models. . Filter Life Monitor indicates when the filters require changing. . . Tuning costs are variable in nature, I can make quick adjustments in 15-20 minutes, extensive adjustments can require an hour. . . . . . . . . *NOTE: The first number displayed in the digital display is the highest forward range available and second number is range attained in selected position. . . . Allison 4th Generation Control Modules, Figure 18. If the code does not reappear, it may be an intermittent problem. . . . . . . . . . . . . FM Display: An acceptable filter life status is displayed as OK in the shift selector; an unacceptable filter life status is displayed as LO. . . No OLS diagnostics take place until the OLS is detected. . If the replacement TCM corrects the original complaint, reinstall the original TCM to verify that the complaint returns. INPUT FUNCTIONS . . . When the C5 clutch is exhausted, as in second through sixth ranges, PS1 verifies the position of the C1 and C2 latch valves. . . . . . Allison Transmission 3000 4000 Troubleshooting Manual Harness For Allison 4th Generation 3000 4000 Transmissions Kent Moore J 4727 Allison Transmission Overview Hino Plug And Play Pto Harness For Allison Transmissions No Power To Allison Transmission Control Panel Electrical Fmca Rv Forums A Community Of Rvers 2. . This takes you to diagnostic codes. . . . . . . . Autodetect searches for the presence of pressure control solenoid 5 (PCS5) to the retarder during the first 35 engine ignition cycles. . . . . . . Allison DOC For PCService Tool indicates the Filter Life Monitor expired as YES or NO. . . . . . SCTI recognizes Allison Transmission, manufacturers, and SCTI part numbers. . . . . . . . . . . . . Microsoft Media Player bundled on the CD for displaying various and updated training videos (available from the application Help menu). Circuit has continuity. Web chelsea pto wiring diagram ford. . . . . . Give us a call at 877-776-4600 or 407-872-1901. . . . . . . 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 Diagnostic Trouble Code section lists DTCs and their description. . . . . . . . . . . . . Make sure all connectors are tightly connected and. . . . Codes related to the CHECK TRANS light are detailed in the diagnostic trouble code chart (refer to Section 6). Welcome to the TS3989EN Troubleshooting Manual. . BASIC KNOWLEDGE REQUIRED. . Welcome to the TS3989EN Troubleshooting Manual. . . Second, mount the adapter with proper backlash to the transmission. . . . . . . When a specified threshold is detected for any of the prognostic functions, the SERVICE TRANS indicator (an open-ended wrench icon located between the range select and range monitor digits in the Allison shift selector) illuminates to alert the operator. . . This pressure forces the valves down to connect the necessary flow passages for clutch engagement. 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. . . Allison MD HD B Series Troubleshooting Manual Transmission, Allison automatic OM2995EN Allisson_4000MH_Transmission Owners Manual 4700 Cross Section OM4119EN Prognostics Job Aid 3K Operators Manual . . . . Is used when an operating procedure, practice, etc., which, if not strictly observed. . Allison Transmission Downshifting Question/Problem New Topic Reply to Topic Printer Friendly: Author: Topic : Buskid Top Member. . Speed sensor information is also used to control the timing of clutch apply pressures, resulting in the smoothest shifts possible. . . . . . . . Refer to the appropriate parts catalog for the transmission assembly number that you are servicing for detailed parts information. No continuity in a jumpered pair circuit (infinite resistance reading) indicates an open in the wire being tested. . . SCTI provides parts to any Allison customer or OEM and is responsible for warranty on these parts. . . . . . . . . Every possible problem and its solution cannot be encompassed by any manual. TCM Reprogramming tab, used to enable the reprogramming capability of the Allison DOC For. . ), FOREWARD. All Highway Series transmissions are programmed to restrict full operation until specific fluid temperatures are reached. . When the main filter is in an unrestricted state and lockup clutch pressure is applied, the switch is depressurized and in its Normally closed (NC) position which completes a circuit between wire 118 and analog returns wire 158. This mode is triggered by anything that could cause severe damage to the transmission, including severe overheating or towing a very heavy load. . 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. . Connect with us to stay up-to-date on the latest in Allison transmission technology and maintenance advice. . . . It is normal for the TCM date displayed electronically to be a few days prior to the date shown on the label. . . . . D1, E.CONNECTOR PART NUMBERS, TERMINAL PART NUMBERS, . . . Allison Transmission (AT) is responsible for warranty on these parts. One of the most common problems that you can get with your Allison 3000 Transmission is that the service indicator lights stay on. . . . . Make sure all updates listed in this section and all other requirements are met prior to using the Prognostics features. SCTI will have parts catalogs available. . . . . Applications are diverse and include oil-. . . . . . . . Figure 19. . . . . 53 A. Fluid Level Reading Procedure. . When disconnecting a harness connector, be sure the pulling force is applied to the connector itself and not the wires extending from the connector. . Actual harness configuration may differ from this illustration. . . . . . . . . . . . . . . . . . . . . . . . . . . 18 17. . With the ignition ON and the engine OFF, shift between N D N D N R N, pausing briefly (less than 3 seconds) between shifts, to reset the value displayed on the shift selector to 99 percent. . . . . . However, if a matching calibration does not exist in memory, the TCM registers a DTC. . . Free 800.966.9860. drive gear rating (continuous operation) Using one PTO: 930 Nm. . . . . If the code does not reappear, it may be an intermittent problem. . . . clutches are applied to lock the transmission output. . If during the first 20 starts the TCM recognizes an engine to be on its list of certified engines, it will lock to the SEM active state. . 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 root cause of a problem as well as the symptom must be corrected to be sure of trouble-free operation. . . . . . Description of the 3000 and 4000 Product Families Allison 4. . . . . Chelsea PTO and Pumps For All Allison Transmission Models. Windows Media Player is installed by default, Adobe Acrobat Reader is installed by default. The 3700 SP, 4700 RDS, 4700/ 4800 EVS, 4700/4800 SP, and 4700 OFS have up to seven forward ranges and one reverse. and ask about the replacement process. . . . . . . . . The Throttle Position Sensor (TPS) can be mounted to the engine, chassis, or transmission. . . . . . . . . . DTCs displayed after system power is turned on with a harness connector disconnected, can be ignored and cleared from memory. The TCM monitors the OLS input voltage on wire 116. . . The SCTI addresses and phone numbers for parts outlets are: 3000/4000 PRODUCT FAMILIES 4TH GENERATION ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL. . . . . 32 35. . . . . . The PTO input to the TCM indicates the PTO is OFF. . . . . . . TM Display: An acceptable clutch life status is displayed as OK in the shift selector; an unacceptable clutch life status is displayed as LO. . Use special tools when and in the manner recommended. . . . . . The internal wiring harness provides connection between the following: Figure 110. . . . . . . . MagiKey is a registered trademark of NEXIQ Technologies, Inc. Teflon is a registered trademark of the DuPont Corporation. . . . Replace trigger Check air pressure. . 55, 54. RESTTING OF TCM PARAMETERS TO SUPPORT ENGINE UPDATE . . If theres anything out of place, switch them back and try again to see if you can duplicate the problem. . . . . 64 65. . . . . . . . . The Prognostics Package includes the following functions: Use the Allison DOC For PCService Tool to review the current status of any of these functions and a history of indicator resets. . . . . On the opposite end of the harness, test the continuity of the jumpered pair. . . Allison DOC For PCService Tool displays from 100 percent down to minus () 100 percent. . . . . Typical Allison 4th Generation Control Components. . 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. Replace PTO housing, gears. . 11 12. . BEGINNING THE TROUBLESHOOTING PROCESS. . Also, be sure to review and observe WARNINGS, CAUTIONS, and NOTES provided by the vehicle manufacturer and/or body builder before servicing the Allison transmission in that vehicle.