. . approximately 10 percent or the running clearance exceeds a maximum value, which may indicate a non-wear-related issue. . Allison 4th Generation Control Mudules with Prognostics. . . 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. (2)If at any time the DVOM shows zero to low resistance, or the meters continuity beeper sounds, there is a short between the two points being probedwire-to-wire or wire-to-ground. . . . . . Stop the vehicle and inspect the cooling system. Refer to Section 8 for information concerning performance complaints (non-code) troubleshooting. Location: Logan Indiana (Near Cincinnati Ohio) Posts: 751. . . . . . . . . . . . Check with your Allison Transmission service outlet for the currently applicable publication. The PTO is driven off the torque converter turbine and is rated for 250 lb-ft of torque. 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. . Rebuilt, New and Used Allison transmission Power Take Offs from Parker Chelsea, Muncie and More. . . . 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. . Locate the appropriate troubleshooting chart and follow the instructions. . . . They have a 24 bolt bell housing with approx 21 inch diameter pattern. 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. . 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 The service tool manufacturer will furnish instructions for using the tools or equipment. The appendices are referred to throughout the manual. . Locate and repair the damaged portion of the wire. . . . . A temperature sensor (thermistor) is located in the internal wiring harness. . . . . . . Message over the SAE J1939 communication interface. . It is necessary to determine why a problem occurred. For example, Code P0960, indicates an open in the pressure control solenoid circuit, wires 111 and 174. a. . . . . . . . . . . . Figure 15. . . Jumpering the wires together creates a circuit between wires 111 and 174. . . The Prognostics pressure switch is activated when fluid exiting the main filter drops below a predetermined pressure. . . . . . . . . . . . . . . . . . . . . . . . . . 57 56 KEEPING FLUID CLEAN . . . . . . . . Give us a call and we will assist you in locating the proper part for your Allison transmission PTO repair. . . . . . . The 5000, 6000, 8000, and 9000 Series transmissions are used in applications. . . . . The vehicle interface module (VIM) provides relays, fuses, and connection points for interface with the output side of the vehicle electrical system. . . . . . . . A retarder will be identified as present and the retarder autodetect logic will stop once it is detected for three consecutive ignition cycles. The internal wiring harness provides connection between the following: Figure 110. . . . . Allison Transmission (AT) is responsible for warranty on these parts. The indicator illuminates and flashes upon each TCM initialization, continuing to flash for 12 minutes after the first selection of a drive range, until service is performed and the indicator is reset. . . . . . . SCTI will have parts catalogs available. . . . . . . . . . houston TX. . . . . . Typical Allison 4th Generation Control Components. . . . . 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. A1 B. . It will be built in-house by General Motors and simply features Allison branding. . . . . . . . . . . . . Weak trimmer valves and leaking forward clutch seals may cause excessive engine flares. . . . . A full-function shift selector has a MODE button and diagnostic display capability through the dual digit vacuum fluorescent (VF) display. 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. Do you know how to identify and deal with an issue that may arise with your Allison transmission? 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. . . 31 32. . . . . . . . . . . . 614, 71. . . . . . . . . . . Available with GVWs greater than 19.5K. . . . DIAGNOSTIC TROUBLE CODE LIST AND DESCRIPTION, 6-6. . . . Output voltage from the TPS is directed to the TCM through the external harness. . Throttle percentage less than 15 percent in reverse, low (7-speed), first, or second range. Description of the electronic control system components. . Always blow or shake any excess cleaner from, the connector before assembling it to its mating connector or hardware. . . . . . . . . How do you run a dump with a stick trans? . . . . . 56, 55 HOT CHECK . . . . . . . . TranSyndTM is a trademark of Castrol Ltd. . . . . . . . OM Display: The selector display is a two-digit number, showing the percentage of fluid life remaining. . . . . . . For example, taping a wire that has been rubbing on a frame rail will not correct the problem unless the rubbing contact is eliminated. . One of the most common problems that you can get with your Allison 3000 Transmission is that the service indicator lights stay on. Web chelsea pto wiring diagram ford. . A complete wiring schematic is shown in Appendix J. . . . . . . . . . clutches are applied to lock the transmission output. Minimum Fluid Operating Temperatures. Sold By: Complete Recycling Group - Heavy Truck Parts. . . . . . . . . . . . IMPORTANT INFORMATION IN THE TROUBLESHOOTING PROCESS, 3-5. See the selector information section for that procedure. . See Figure 1. . 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. The solenoids produce an output pressure that is proportional to current from the TCM. Autodetect searches for the presence of pressure control solenoid 5 (PCS5) to the retarder during the first 35 engine ignition cycles. Use. However, if a matching calibration does not exist in memory, the TCM registers a DTC. . . Disconnecting and reconnecting the TCM can often correct faulty wiring harness connections that may have been present. . . . . . . . . . . . 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. . . NOTE: Most engine upgrades are same type/rating; under normal circumstances there should be no reason to reset the TCM Autoselect. . . . . . . The oil level sensor is available on any 3000 and 4000 Product Families transmissions except the 3000 7-speed transmissions. . . If display is flashing, shift is inhibited. . . Determine if DTCs have set by: Using the shift selector display (see Paragraph. . . . . 20-WAY TRANSMISSION FEEDTHROUGH HARNESS CONNECTOR, Figure 12. . . . Description of diagnostic codes, system responses to faults, and troubleshooting. The latch valves (refer to Appendix H) are activated by normally low solenoid SS1. . . . . . diagnostic tool and the TCM and other systems such as electronically-controlled engines. . . . . . . . . . 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 . . . . . . . . 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. . SHIFT SELECTOR DISPLAYS RELATED TO ACTIVE CODES, 6-5. . . . . . . 32 34. . . AUTODETECT FEATURE. . . . . . Remember to do the following when testing for shorts and opens: Minimize movement of wiring harnesses when looking for shorts. . . . . . . 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. . . . 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. . . . . . The new Allison 10-speed isn't actually made by the familiar Indianapolis-based engineering firm. . . Transmission Fluid The hard shifting problem is often linked with low transmission fluid levels. . . . SCTI recognizes Allison Transmission, manufacturers, and SCTI part numbers. . . 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). Table 32. . At least until the wiring problems began a year or two later. . . . To shift from forward to reverse, select N (Neutral) and then R (Reverse). . . . The N (Neutral) button has a raised lip to aid in finding it by touch. . . . The speed ratios between the various speed sensors allow the TCM to determine if the transmission is in the selected range. . . This acts on the other end of the Filter Life Valve, compressing the return spring and allowing control main pressure through the valve to PS2, which pressurizes the switch. . . . . Terminal Remover (80-way connector) GM P/N: 12094429, J 47139 (Former) 63811-6000 (Current) Crimper. . Appendix A deals with the identification of potential circuit problems. . . 58, 57 FLUID RECOMMENDATIONS . . . . . . . If the replacement TCM corrects the original complaint, reinstall the original TCM to verify that the complaint returns. If it appears to functioning p[roperly, run the engine at 12001500 rpm with the transmission in N (Neutral). Zip Class A CDL Experience Please select ALL of your current, valid driver's licenses CDL A CDL B CDL C Repair parts for the external harnesses and external harness components must be obtained from St. Clair Technologies Inc. (SCTI). . . . . . If theres anything out of place, switch them back and try again to see if you can duplicate the problem. SCTI provides parts to any Allison customer or OEM and is responsible for warranty on these parts. . . . . . . TRANSID (TID) . . . . . . . . . Buy Now. . Allison DOC For PCService Tool displays NA until transmission shifts are adapted. . . . Failure to perform maintenance and reset the monitor after a calibration-defined number of warnings results in the illumination of the CHECK TRANS light. . . 32 35. . . . . . . . . . . . . . Engine coolant temperature sensor autodetect will countdown for a total of 25 engine starts while recording detections of engine coolant temperature sources. . . But things may go wrong rather unexpectedly. . . This feature is not available with 7-speed transmission models. . . . . . . . Dont let a transmission in need of repairs bring your workplace to a halt! . . 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. 56 B. Allison DOC For PCService Tool displays from 100 percent down to minus () 100 percent. . . . . . . . NOTE: Illustration is not to scale. . . . . . . Actual harness configuration may differ from this illustration. . . . . . 118, 110. . . Find a facility My Transmission . . . . . . . . . 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.