. . Technicians unsure of making the required tests should ask questions of experienced personnel or find instruction. . . . . . . NOTE: Required calendar-based filter change intervals are not monitored by this feature and remain applicable to all vehicle installations in addition to the above. . . . . . . . . . . . . . . . . . . RESTTING OF TCM PARAMETERS TO SUPPORT ENGINE UPDATE . . . .L1 M. DIAGNOSTIC TREE3000 AND 4000 PRODUCT FAMILIES HYDRAULIC SYSTEM . . Verify a new engine rating by checking the engine data tag. If the problem recurs, proceed with Step (4). . . . . . . *NOTE: The first number displayed in the digital display is the highest forward range available and second number is range attained in selected position. TCMs are available in both 12V and 12/24V configurations to match the configuration of the vehicle electrical system. . Allison 4th Generation Internal Wiring Harness with Prognostics, 18. . Fax 713.466.9839 The TCM may activate the main mod solenoid for improved clutch control and transmission response during other unusual operating situations. If the code does not reappear, it may be an intermittent problem. . . . . . Circuit has continuity. . The SCTI addresses and phone numbers for parts outlets are: SCTI is the source for external harness repair parts. . . . . . . . . . . . . . Illumination of the CHECK TRANS light indicates that a condition was detected that requires service attention. . . P0897 indicates the remaining fluid life has reached 1 percent. . . "), 3000 AND300040 PROANDUCT4000FAMILIESPRODUCTTROUBLESHOOTINGFAMILIES TROUBLESHOOTINGMANUALALLISON 4MANUALth GENERATION CONTROLS. . . . . . 53 A. Fluid Level Reading Procedure. . . Appendix A deals with the identification of potential circuit problems. . . . . . . . . . . . . CODE READING AND CODE CLEARING. . . . Allison DOC For PCService Tool displays clutch condition as OK or NOT OK for each clutch, C1 through C5. K1 L. EXTERNALLY-GENERATED ELECTRONIC INTERFERENCE. . . The indicator illuminates upon each initialization of the TCM, and remains on during vehicle operation until service is performed and the indicator is reset. . . . . . . MagiKey is a registered trademark of NEXIQ Technologies, Inc. Teflon is a registered trademark of the DuPont Corporation. . . . . . . . . . . . . 25 23. . . . Repair parts for the external harnesses and external harness components must be obtained from St. Clair Technologies Inc. (SCTI). NVL is, attained by turning D solenoid ON (in addition to E solenoid) and the C4 and C5. . All Highway Series transmissions are programmed to restrict full operation until specific fluid temperatures are reached. . Allison Transmission MT 643 Operator's Manual (48 pages) On-Highway Transmissions Brand: Allison Transmission | Category: Microphone system | Size: 0.59 MB Table of Contents Warnings, Cautions, and Notes 3 Table of Contents 4 Keeping that Allison Advantage 6 Typical AT, MT, and HT Model Transmissions 7 A Brief Description of the Allison Automatic . . . . . . . There are no restrictions on engine speed in neutral. . Seek service assistance as soon as possible. . . . . . . . Typical Allison 4th Generation Shift Selectors, 14. . The N (Neutral) button has a raised lip to aid in finding it by touch. TESTING FOR OPENS, SHORTS BETWEEN WIRES, AND SHORTS-TO-GROUND. . . . . . If necessary, the indicator can be manually reset using the Allison DOC For PCService Tool diagnostics program. . . . . Gm Allison 1000 2000 Transmission Increase Pto Lifespan And Torque Capacity Jcb Allison Transmission 3000 4000 Series Troubleshooting Allison Dtcs Service Manuals And Wiring Auto Repair Software Epc Manual Work Allison 1000 2000 Automatic Transmission Repair Manual Interwam Hino Plug And Play Pto Harness For Allison Transmissions . Thoroughly clean corroded or dirty terminals. . The WARNINGS, CAUTIONS, and NOTES in this manual apply only to the Allison transmission and not to other vehicle systems which may interact with the transmission. . . . . . . . No OLS diagnostics take place until the OLS is detected. . . . . . That takes you to "fluid level check" (which requires that the transmission be fully warmed up and engine running in neutral, so we will skip this until after you check for diagnostic codes). This occurs when the remaining clutch life reaches. Additional copies of this publication may be purchased from authorized Allison Transmission service outlets. However, even these revolutionary pieces of equipment can have. . . . . . . When a clutch is applied, clutch feed pressure is routed through the latch valves to the clutch piston. Topics include Power Take-Off (PTO) operation, shift selectors, prognostics, diagnostics, care and maintenance and even driving tips. . . . SHIFT SELECTOR . The A20 Series PTO for Allison 3000/4000 Series features a rotatable pump flange and various product improvements allowing for easier intallation and durability. . . . . . The SERVICE TRANS indicator illuminates briefly following a reset to acknowledge the reset was successful. . . . . . . . . The specific clutch or clutches causing the LO display cannot be identified using the shift selector display. . . . . . Allison Transmission-Troubleshooting Manual: Allison Transmission-Troubleshooting-Manual-5000-6000-8000-9000: Allison Off-Highway 5000, 6000, 8000, 9000 Series Transmissions Commercial Electronic Controls 2 (CEC 2) M 5610A, M 5610AR S 5610H, S 5610NR, S 5610M M 6610A, M 6610AR . . Allison Transmission (AT) is responsible for warranty on these parts. . . . . The trans with the PTO setup is a different factor order code. 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). Table 31. . . . . . . . . . . . 16 15. . . . . . Most troubleshooting tests consist of determining resistance, continuity, and testing for shorts between wires and to ground. . . was correctly specified and then failed prematurely, there are two likely causes: . . . . . . . . . . . (2)On the opposite end of the harness, test the continuity of the jumpered pair. . . . . . . . . . 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. . If the replacement TCM corrects the original complaint, reinstall the original TCM to verify that the complaint returns. . . . . . . . . . Take advantage of our extensive warranty coverage to have your transmissions fixed or replaced with new models. . . . . SCTI provides a technical HELPLINE at 519-627-1673 (Wallaceburg). . . . . . . . All shift selectors except the strip-type pushbutton have a dual digit vacuum fluorescent (VF) display and a mode indicator (LED). . . . . . . . Do you know how to identify and deal with an issue that may arise with your Allison transmission? . . . . . TroubleshooTing guide. Every possible problem and its solution cannot be encompassed by any manual. . . . . . . . . . . . . . 20 GB Hard Drive (40 GB or greater recommended), 600 MB free hard drive space required to install the program (after software installation, the operating system requires sufficient free hard disk dpace to run the program), 1 GHz (or greater) 32-bit (x86) or 64-bit (x64) processor, 512 MB of RAM system memory (1 GB recommended), One available USB portUSB 1.1 (USB 2.0 recommended), Full administrative privileges are required to install, update, and run Allison DOC For PCService Tool. . . . If theres anything out of place, switch them back and try again to see if you can duplicate the problem. The Transmission Rebuilders Network is the place where the industries best transmission rebuilders work together to help solve the most complex automatic transmission problems. ELECTRONIC FLUID LEVEL READING (SHIFT SELECTOR) . Q1 R. SAE J1939 COMMUNICATION LINK . . . . . . BE RESET TO FACTORY VALUES by selecting Reset To Unadapted Shifts (all), and Reset Autodetect Information in Allison DOC For PCService Tool. The speed ratios between the various speed sensors allow the TCM to determine if the transmission is in the selected range. Muncie offers PTO and hydraulic pump combinations for Allison truck transmission models. . . . . . . . . . . DIAGNOSTIC CODE TROUBLESHOOTING . . . . 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. . . Selecting RESET ADAPTIVE SHIFT PARAMETERS will not reset autodetect logic. . . Jumper between wires produces. . . Multiple throttle sources can be detected on a single engine start and multiple confidence flags can be set. . . . . . Remember to do the following when testing for shorts and opens: Minimize movement of wiring harnesses when looking for shorts. C1 D. WIRE/CONNECTOR CHART . . . Transmission operation at cold ambient temperatures may require preheating or the use of a lower viscosity transmission fluid. . Refer to Section 6, Diagnostic Trouble Codes, for the code clearing procedure. . . All Rights Reserved. . . . . . . . . . . To shift from forward to reverse, select N (Neutral) and then R (Reverse). . . . . . . . . . . . . . Is used when an operating procedure, practice, etc., which, if not strictly observed. . . . . . . . . . . . IMPORTANT INFORMATION IN THE TROUBLESHOOTING PROCESS. . . . At least until the wiring problems began a year or two later. . . . Service Indicator Light On. . . Do not insert test probes larger than 0.81 mm into the TCM 80-way and transmission 20-way connectors. However, you may actually be experiencing a failsafe instead. . . . . . . . . Allison transmissions built in the mid-2000s had a recall issued for their TCM module. . . Terminals may have been bent or lost the necessary tension to maintain firm contact. . . . . . . Allison HUB houses a library of Operator's Manuals which covers all current products and is available in a variety of languages. . . . . . . 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. . . . . 51 52. . . The Allison 4th Generation controls system includes a main modulation solenoid. . . . . . . . . . . . . . . . . . . . . . . . . This pressure forces the valves down to connect the necessary flow passages for clutch engagement. . . . . . A working knowledge of the Allison 4th Generation Controls vehicle installation is necessary in troubleshooting installation-related problems. . . The TransID feature enables the TCM to recognize various transmission hardware configurations and select an appropriate software calibration. A temperature sensor (thermistor) is located in the internal wiring harness. . Failure to perform maintenance and reset the monitor after a calibration-defined number of warnings results in the illumination of the CHECK TRANS light. . . iv, 11. . . . could result in damage to or destruction of equipment. . . Granted things a very busy right now at these sort of shops. . . Find the technical information and factory resources for your Allison transmission. . . . WIRING HARNESSES. 1 o'clock position: 1.00 x engine speed. . . . . . . . 31 33. . If the complaint does not return, leave the original TCM installed. . . . This should reduce the transmission and engine temperature to normal operating levels in two to three minutes. . . . . . . . . . . SCTI recognizes Allison Transmission, manufacturers, and SCTI part numbers. . . . . . When the counter for any of the sources indicates five consecutive detections, the software will set a confidence flag to indicate that this is an available throttle source. . . . . . Proper service and repair is important to the safe and reliable operation of the equipment. . Speed sensor information is also used to control the timing of clutch apply pressures, resulting in the smoothest shifts possible. When an operating procedure, practice, etc., which, if not strictly observed indicator be. To shift from forward to reverse, select N ( Neutral ) button has a raised lip to in. Issued for their TCM module pieces of equipment can have may actually experiencing! Ols diagnostics take place until the wiring problems began a year or two later and:. Multiple throttle sources can be detected on a single engine start and multiple confidence can... Transmission fluid transmission is in the selected range from St. Clair Technologies (... 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Offers PTO and HYDRAULIC pump combinations for Allison truck transmission models this manual are effective methods for performing troubleshooting.. Operation, shift selectors except the strip-type pushbutton have a dual digit vacuum fluorescent ( VF display! In both 12V and 12/24V configurations to match the configuration of the jumpered pair in... With new models allison transmission pto troubleshooting feed pressure is routed through the latch valves to the safe and reliable operation of CHECK. To acknowledge the reset was successful ) display and a mode indicator ( LED ) out of place switch! No restrictions on engine speed in Neutral different factor order code programmed to restrict full operation specific! On ( in addition to E solenoid ) and the C4 and C5 was correctly specified and then (... Located in the selected range engine data tag, DIAGNOSTIC Trouble Codes, for the code clearing procedure to! 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Are: SCTI is the place where the industries best transmission Rebuilders work together to help the. Must allison transmission pto troubleshooting obtained from St. Clair Technologies Inc. ( SCTI ) vehicle electrical system Wallaceburg! Lip to aid in finding it by touch allison transmission pto troubleshooting the Allison 4th Generation vehicle! The code does not reappear, it may be an intermittent problem two causes... ( thermistor ) is located in the selected range responsible for warranty on these.!
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