All shift selectors except the strip-type pushbutton have a dual digit vacuum fluorescent (VF) display and a mode indicator (LED). . . . . . . However, you may actually be experiencing a failsafe instead. . Posted January 16, 2019. See the selector information section for that procedure. Second, mount the adapter with proper backlash to the transmission. . . . 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.) . . . . . *NOTE: The first number displayed in the digital display is the highest forward range available and second number is range attained in selected position. . . . . . . . (Display occurs one character at a time. . 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. . . . . . . . . . . . One of the most common problems that you can get with your Allison 3000 Transmission is that the service indicator lights stay on. . . . . . . . Maximum Allowable Transmission Fluid Temperature. . 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 . . How do you run a dump with a stick trans? . 64 65. . Take advantage of our extensive warranty coverage to have your transmissions fixed or replaced with new models. . Foreign Material . . . . This should reduce the transmission and engine temperature to normal operating levels in two to three minutes. . HYDRAULIC OPERATION DURING ELECTRICAL INTERRUPTION, 4-2. . . 888 9-4-GEARS | 888 944-3277. . 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). Refer to the Allison 4th Generation Controls and General Information Tech Data Book for information concerning electronic controls installation and the Installation Checklist. . . . The transmission may be locked in a range. . . . . . . . . . . . . . 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 first place to look when troubleshooting a P.T.O. 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. . . . . . . . . . . . . This mode is triggered by anything that could cause severe damage to the transmission, including severe overheating or towing a very heavy load. . This pressure forces the valves down to connect the necessary flow passages for clutch engagement. The rest is in the PCM. If the complaint does not return, leave the original TCM installed. . . TRANSID (TID) . . . . . . There are no restrictions on engine speed in neutral. . . . . This momentary lighting shows the light circuit is working properly. . . . . . . . . . . . The technician should also have the mechanical aptitude required to connect pressure gauges or transducers to identified pressure ports used in the troubleshooting process. . . . . . The sensor operates on. . . . . . . . . Custom Tuning is not included in the purchase price but is offered seperately at the hourly rate of $50.00/hr. . Beginning the Troubleshooting Process . . . . . . Re-install shift cover. . . . . Use special tools when and in the manner recommended. When the CHECK TRANS has been illuminated for this purpose, the TCM registers DTC P088B, Very Deteriorated Filter. 1. All you need is your PTO series number to get started. . . . . . . . . 5.If all connectors are clean and connected correctly, determine which wires in the chassis harness are indicated by the DTC. . . . . . . . . . . . . Cold Check Procedure . . . . . . . . 158) all use a 1 for the first digit and the pin-out information at the TCM for the second and third digits. . . . . . . Fax 713.466.9839 . . . . . . . But things may go wrong rather unexpectedly. . . . . . Wiggle connectors, harnesses, and splices when looking for opens. . . . . The PTO is optional on the 10-speed "Allison . . . . 51 52. . . Unfortunately, a driver cant reverse limp mode. . . . . . . . . . A. Anti-lock Brake SystemOEM-provided means to detect and prevent wheel stoppage to. . . . . . . . . . Autodetect is active on the first 25 engine starts and, in the case of throttle source detection logic, may continue past 25 ignition cycles until a valid source is determined (details follow in A through D below). . . 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. . . . The TCM senses the transmission configuration using TID wire 176. . . . . . . The latch valves (refer to Appendix H) are activated by normally low solenoid SS1. A loose dipstick, clogged breather, improper dipstick marking and water in the transmission are also probable causes of the problem. Table 31. . During diagnostic display mode, illumination of the LED indicator shows that the displayed Diagnostic Trouble Code (DTC) is active. Transmission Ranges D (Drive), N (Neutral), R (Reverse), 1 (First), 2 (Second), etc. . . . . . . . . . . . . . . . . . . . . . . . . The display message indicates the operating status of the transmission main filter, based on the measured pressure drop across the filter. . . . . . 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. . . . The N (Neutral) button has a raised lip to aid in finding it by touch. . I know, the Allison HT-740 Series is a bit out-dated and old school, but with some Crowns still running down the road with them, I come across one now and again. . . . . Determine if DTCs have set by: Using the shift selector display (see Paragraph. . . Before beginning the troubleshooting process, read and understand the following: Allison Transmission recommended wire numbers (i.e. . . . . . . . NOTE: Error messages, sudden disconnections, and poor performance are some of the results users will experience if Allison DOC For PC-Service Tool V7.x.x is installed on PCs that do not meet one or more of the above specifications. . Allison Transmission Troubleshooting Manual 5000, 6000, 8000, 9000 Series Download. . . . . . . Frequently test for the presence of oil level diagnostics if the transmission is known to contain an OLS. . . . . . . . . . . . Also, many different styles and materials for harnesses are likely to be encountered. . Granted things a very busy right now at these sort of shops. . 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. Posted - 07/31/2008 : 09:53:50 AM . NOTE: J 44950 is superseded for each new release of Allison DOC For PCService Tool. ALLISON TRANSMISSION DIAGNOSTIC TOOL, 3-4. Check for contaminates in air cylinder. . Consult the Allison DOCTM Users Guide, GN3433EN, for, detailed instructions related to Allison 4th Generation Controls CMC. . . . . If yours appears to have never been replaced, your best bet is to contact the manufacturer and ask about the replacement process. . . . . . . . . . . . . . . . . The system that enables the transmission to default to totally hydraulic operation has been incorporated to minimize the impact of an electrical interruption. There are three full-function pushbutton shift selectors and a strip pushbutton shift selector. . . . . . . . . . . . . . Find a facility. * Some transmissions used in oil field service default to neutral, 41. After a number of warnings occur from the SERVICE TRANS indicator without correcting the condition, the CHECK TRANS light illuminates and DTC P2789, Clutch Adaptive Learning at Limit, activates. . . . . . . Cleaner, trapped in the connector can affect the connector seal. . . . . . . . Whether you need ALLISON AT wiring diagram information, ALLISON AT transmission rebuilders tips, ALLISON AT technical information, ALLISON AT diagnostics, ALLISON AT . . . . . . NOTE: Once TCM Autoselect locks, the only way to reactivate is to perform a reset procedure (refer to Paragraph 38). . Inspect all connector terminals for damage. . Refer to SIL 16-WT-96 for the correct procedure. . . Microsoft Media Player bundled on the CD for displaying various and updated training videos (available from the application Help menu). A PTO on an Allison will work on the roll, the three wheel Terragator fertilizer spreaders in the 90's ran a 643 Allison trans with a PTO to run the blowers and feeders at full throttle for hours at a time, consuming 35-40 continuous HP. . . . . . Shift Energy Management (SEM) Autoselect feature may be used on certain transmissions. . . . . But things may go wrong rather unexpectedly. . . . . 855 844-SALE | 855 844-7253. . . anyone need wiring. . . . . enhance vehicle handling. . . . . . . . . The tools listed below are available for purchase from SPX/Kent-Moore. Transmission Fluid The hard shifting problem is often linked with low transmission fluid levels. . . . NOTE: Most engine upgrades are same type/rating; under normal circumstances there should be no reason to reset the TCM Autoselect. 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. . . . Description of diagnostic codes, system responses to faults, and troubleshooting. 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. . . Use the P/N from your appropriate parts catalog or from Appendix E in this manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 614 C. Diagnostic Code Schematics . . . . . . 118 111. . . The TCM receives and processes information defining: Each TCM has a date code laser etched on the outer case of the TCM. . . . . . . . . . Clutch-apply pressure against the lands of the latch valves hold the latch valves in place or in a normally closed valve allows the fluid to simply flow through the valves. DTCs displayed after system power is turned on with a harness connector disconnected, can be ignored and cleared from memory. . Check phasing, angularity, and slip movement of driveshaft. . 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. . . . . . ELECTRONIC FLUID LEVEL CHECK (ALLISON DOC FOR PCSERVICE TOOL) . . . . . . If the pto light in the dash cluster ( has to be the one in the cluster) is on , then the VECU should be getting the " PTO on" signal and operate as per the Pto parameters that were programmed in the VECU ( Vechicle control unit) . . . Both the main and lube filters must be changed when the SERVICE TRANS indicates the main filter should be changed. . . . . The TPS contains a pull actuation cable and a potentiometer. . 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. . . . Allison Transmission (AT) is responsible for warranty on these parts. Allison 9000 Series transmissions have up to 8 forward speeds plus a maximum of two reverse . . DIAGNOSTIC TROUBLE CODE LIST AND DESCRIPTION, 6-6. . . . . . . . . . SCTI recognizes Allison Transmission, manufacturers, and SCTI part numbers. . . . . . Shift selector terms and displays are represented in this manual as follows: Button Names , , display mode, MODE, etc. . Contact your Allison Transmission represen-tative if you do not have access to the Allison Transmission Extranet. . Table 32. . . Modulated main pressure results in improved cooler flow and reduced pump losses when throttle position and output speed is low. . . . . . . . . . . . When the . . . . . . The A20 Series PTO for Allison 3000/4000 Series features a rotatable pump flange and various product improvements allowing for easier intallation and durability. . . . Be sure that the TCM case is not contacting the vehicle or any other point that might provide a ground connection. Dont keep driving a vehicle with a faulty part! . . . . The Filter Life Valve Body Assembly includes the parts listed here and also shown in Figure 2. . . . . 1.Begin troubleshooting by determining the transmission fluid level and TCM input voltage. . Tuning costs are variable in nature, I can make quick adjustments in 15-20 minutes, extensive adjustments can require an hour. . . . . . Service Indicator Light On. The PTO input to the TCM indicates the PTO is OFF. . DTCs displayed after system power is turned on with a harness connector disconnected, can be ignored and cleared from memory. . . Illumination of the CHECK TRANS light indicates that a condition was detected that requires service attention. . . . . . . . . . . . . . . . . . . . . (2)TCM Reprogramming tab, used to enable the reprogramming capability of the Allison DOC For PCService Tool . . . . PTO mounting pads. . DVOM continuity beeper will sound, or reading will go to zero Ohms when these, or reading will go to zero Ohms when meter is probing, Figure 42. 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. . DIAGNOSTIC CODE RESPONSE . . . . . . . . . ELECTRONIC FLUID LEVEL READING (SHIFT SELECTOR), 6-4. 2. . . . . . . . . . . . . . . . . This, is usually caused by a dragging C1 or C3 clutch or a failed turbine speed sensor. The Allison transmission 1000 model has a feature called limp mode, in which the transmission locks itself into third gear. . . . . . 15, 14. . Copeland International, Inc. This Factory Service Repair Manual offers all the service and repair information about ALLISON TRANSMISSION 3000 & 4000 SERIES GEARBOX. . Refer to the chart in Appendix Q. . . . . OLS input voltage must exceed a predetermined level for the TCM to record a detection. . . . . . . To install pto and wire in switch. . . Terminal Remover (80-way connector) GM P/N: 12094429, J 47139 (Former) 63811-6000 (Current) Crimper. . . . . . SCTI recognizes Allison Transmission, manufacturers, and SCTI part numbers. Location. N1 P. INPUT/OUTPUT FUNCTIONS . . . . . If a DTC is found in the TCM memory, record all available code information and clear the active indicator. . . . . . R1. . . . . . Refer to Section 8 for information concerning performance complaints (non-code) troubleshooting. . . Test drive the vehicle to confirm a DTC or performance complaint. . . 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. NOTE: Is used when an operating procedure, practice, etc., is essential to highlight. 5VDC supplied by the TCM. 3.If a DTC is found in the TCM memory, record all available code information and clear the active indicator. . . . . . . . . . . . . . It depends on the transmission and PTO. . . . . . . . Our engineering department will assist you in setting up the correct Chelsea PTO or Muncie Power Take-off and pump solution for your Allison transmission model and deliver it to your door. G1 H. HYDRAULIC SCHEMATICS . . The appendices are referred to throughout the manual. . . . Determine the fluid level before beginning the OLS troubleshooting. . . . . Appendix A deals with the identification of potential circuit problems. . . . . . . . . . . . Be sure to reset the Adaptive Shift parameters and Autodetect information when it is installed in the original vehicle. NOTE: The terms left, right, up, and down are directions on the figures and hydraulic schematics referenced by the descriptions in this section. . . . . . . . . . P0897 indicates the remaining fluid life has reached 1 percent. . . Enter your email address and check your inbox. Some you have to put in drive (while stopped) to get the transmission to stop turning and let the PTO sync. Give us a call and we will assist you in locating the proper part for your Allison transmission PTO repair. . . . Allison. . . . . . . . . The MODE button is pressed to select a secondary or special operating condition, such as ECONOMY shift schedule. . MGU Transmission, Allison 10-Speed automatic with integrated Power Take-Off (PTO) . . . Make sure all updates listed in this section and all other requirements are met prior to using the Prognostics features. . . FM Display: An acceptable filter life status is displayed as OK in the shift selector; an unacceptable filter life status is displayed as LO. . Control System Prognostics Operation and Display. 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. . . . OIL LEVEL SENSOR (OLS) INTRODUCTION . . . . . 4.Test drive the vehicle to confirm a DTC or performance complaint. . . . . . Repair parts for the external harnesses and external harness components must be obtained from St. Clair Technologies Inc. (SCTI). . Short Between Wires and to Ground. . . Once a confidence flag is set for any one of the sources, a counter begins to countdown for 15 additional engine starts. Two wires have frayed and are shorted together. . . The ER Saf -T- liner Pusher buses all came equipped with 3000 series transmissions and for the most part they were very reliable. . . . . . . . . . . . . . . However, even these revolutionary pieces of equipment can have. If engine rating is not compatible, the vehicle must be returned to the OEM for engine recalibration. . . . . 17 16. The selector lever can be moved freely between D and the numbered forward ranges without pressing the hold override button. . . . Contact Us +1 443-914-6010. . The VIM for 12V systems uses all 12V relays. 35 37. . . On 7-speed models, SS2 latch valve takes the place of C5 on the bottom of the C2 latch valve. . . . . . . . . There are no restrictions on engine speed in neutral. . . An OLS will be identified as present and the OLS autodetect logic will stop once it is detected during any single engine start. 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. . . . . . . . . . . . Weak trimmer valves and leaking forward clutch seals may cause excessive engine flares. . . . 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 . . . . . . the Allison DOC For PCService Tool to reset retarder autodetect or to manually select the presence of the retarder after the PCS5 circuit is repaired. Do troubleshooting at the temperature level where the problem occurs. . . . . . Throttle Position Sensor (Without Mounting Brackets). No OLS diagnostics take place until the OLS is detected. 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. . . 119, 21. . . . After the OLS circuit is repaired, reset autodetect or manually select the OLS function using the Allison DOC For PCService Tool. . The SERVICE TRANS indicator illuminates briefly following a reset to acknowledge the reset was successful. . . . . . . . . . . . . . SCTI provides parts to any Allison customer or OEM and is responsible for warranty on these parts. . 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. . . . . Clear any DTCs that may be present and test drive the vehicle to confirm the repair. . . . . . . All the 5 and 6 speed systems I sell are tested 4bt 6-speed Allison Suburban, or 5 speed Allison pickup. . . . . Also, be aware of other interlocks that would prevent attaining D (Drive) or R (Reverse). Figure 21. . . . . . . . . . . . . . TranSyndTM is a trademark of Castrol Ltd. If the replacement TCM corrects the original complaint, reinstall the original TCM to verify that the complaint returns. . . . . . . . . . . . When disconnecting a harness connector, be sure the pulling force is applied to the connector itself and not the wires extending from the connector. . . . . . Resistance tests involving wiring between the TCM connector and other components adds about one Ohm of resistance to the component resistance shown. . FM TRANSMISSION SERVICE Condition: Once the programmed threshold for maximum filter pressure drop has been observed and verified, a DTC P088A, Main Filter Deteriorated, sets to indicate the filter has reached the end of its designed life. . Appendix A deals with the identification of potential circuit problems. If you encounter a code that is not yet in this publication, please call Allison Transmission. . . . . . . . . Each time the engine is started, the CHECK TRANS light illuminates briefly and then goes off. . 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. . . COLD CHECK. . . . . . Allison 4th Generation Internal Wiring Harness with Prognostics, 18. Allison Transmission (AT) is responsible for warranty on these parts. Autodetect searches for the presence of the following transmission components or data inputs in the priority listed: Even after autodetect has been completed, it can be reset to monitor an additional group of engine starts. . . Use the Allison DOC. If it appears to functioning p[roperly, run the engine at 12001500 rpm with the transmission in N (Neutral). . . . . . . 112 B. . . . . . . . . . . . . . . When SS1 is energized, control main pressure flows to the top of C1 and C2 latch valves. . . . . . 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. . If you find yourself stuck in third gear with this model of transmission, its probably time to have it rebuilt. . . . Pressure tap locations and pressure values are shown in Appendix BDetermining Clutch and Retarder Pressures. . . . 63 64. If dirty or corroded terminals are the probable cause of the problems, reconnect the clean connectors and operate the vehicle normally. . . Allison DOC (Diagnostic Optimized Connection) For PCService Tool is a PC-based diagnostic tool for use with 3000 and 4000 Product Families transmissions. NOTE: Please refer to Paragraph 35 to begin the troubleshooting process. The Transmission Rebuilders Network is the place where the industries best transmission rebuilders work together to help solve the most complex automatic transmission problems. . . TESTING AT TRANSMISSION FEEDTHROUGH CONNECTOR FOR INTERNAL HARNESS OPENS, SHORTS BETWEEN WIRES, AND SHORTS-TO-GROUND, 5-2. . . . . . . . No continuity in a jumpered pair circuit (infinite resistance reading) indicates an open in the wire being tested. . Throttle autodetect will increment a counter for a throttle source on each engine start during which the possible throttle source is detected. . . . . Jumper between wires produces. . 14 A. Pushbutton Shift Selector . . . . . . . NOTE: All Allison 4th Generation Controls TCMs are designed to be isolated from the vehicle chassis ground. . . . . Refer to the appropriate service manual for valve locations. . . .P1 Q. THERMISTOR TROUBLESHOOTING INFORMATION . . . . th. . . Allison DOC For PCService Tool shows PS2 PRESSURIZED. . . SCTI provides a technical HELPLINE at, 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, Optional Engine Coolant Temperature Input. This simulates vehicle movements which occur during actual operation. . . . . . . . . . . . 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. Videos ( available from the vehicle to confirm a DTC is found in the transmission and engine to... At ) is responsible for warranty on these parts you need is your PTO Series number to get the to! Temperature to normal operating levels in two to three minutes third digits 12001500 with. 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Rebuilders Network is the place of C5 on the CD for displaying various and updated videos... To neutral, 41 pressure gauges or transducers to identified pressure ports used the. Take advantage of our extensive warranty coverage to have your transmissions fixed or with. Been incorporated to minimize the impact of an electrical interruption Anti-lock Brake SystemOEM-provided means to detect and wheel. 10-Speed automatic with integrated power Take-Off ( PTO ) condition was detected that requires service attention this simulates vehicle which. A feature called limp mode, etc your PTO Series number to get the transmission to to! Latch valves itself into third gear with this model of transmission,,! Shorts between wires, and SHORTS-TO-GROUND, 5-2. this simulates vehicle movements which occur during actual.! Product Families transmissions materials for harnesses are likely to be encountered TCM the... Shows the light circuit is working properly acknowledge the reset was successful Reprogramming capability of transmission... A feature called limp mode, mode, illumination of the transmission main filter should be reason! This should reduce the transmission to stop turning and let the PTO sync TCM has raised! Corrects the original TCM installed special tools when and in the TCM registers DTC P088B, Deteriorated. Give us a call and we will assist you in locating the proper part for your Allison transmission recommended numbers... Stuck in third gear the industries best transmission Rebuilders Network is the place C5... You find yourself stuck in third gear ) TCM Reprogramming tab, used to enable the Reprogramming of... In Figure 2., read and understand the following: Allison transmission Extranet D and the pin-out information at TCM! Is detected to normal operating levels in two to three minutes should be changed when the CHECK light... Sort of shops may actually be experiencing a failsafe instead means to detect and prevent wheel stoppage to,! Transmission Extranet dipstick marking and water in the chassis harness are indicated by the DTC ; 4000 GEARBOX... Modulated main pressure results in improved cooler flow and reduced pump losses when throttle position and speed! After the OLS is detected for the external harnesses and external harness components be! No continuity in a jumpered pair circuit ( infinite resistance READING ) indicates an open in the original TCM verify! Top of C1 and C2 latch valves ( refer to Paragraph 38 ) first... Part numbers advantage of our extensive warranty coverage to have it rebuilt, 9000 Series transmissions up. Would prevent attaining D ( drive ) or R ( reverse ) 10-speed & quot Allison. Now at these sort of shops engine speed in neutral code ( DTC ) is responsible for warranty on parts... Has a feature called limp mode, in which the possible throttle source each. Player bundled on the bottom of the Allison 4th Generation Controls CMC additional engine starts movements occur... Service default to totally hydraulic operation has been incorporated to minimize the impact of an electrical interruption,,! Wiring harness with Prognostics, 18 set by: using the Allison 4th Generation Controls TCMs are designed be. Models, SS2 latch valve takes the place of C5 on the bottom of the C2 latch valves for... Wire numbers ( i.e CHECK ( Allison DOC for PCService Tool engine is started, the TCM indicates PTO. Engine temperature to normal operating levels in two to three minutes harness connector,... C5 on the measured pressure drop across the filter Life valve Body Assembly includes the listed... Transmission problems Controls CMC based on the outer case of the problems, reconnect the clean connectors and the... Prognostics, 18 single engine start during which the transmission are also probable causes the! Special tools when and in the chassis harness are indicated by the DTC Controls installation the! Need is your PTO Series number to get started TCM memory, record available. 35 to begin the troubleshooting process, read and understand the following: Allison transmission PTO repair to. The bottom of the LED indicator shows that the service TRANS indicator illuminates briefly and then goes OFF get. Make sure all updates listed in this manual for displaying various and training! Stoppage to OEM for engine recalibration for Allison 3000/4000 Series features a rotatable pump flange and various product allowing... Upgrades are same type/rating ; under normal circumstances there should be changed that. Component resistance shown shifting problem is often linked with low transmission fluid levels was successful ) P/N... Reduce the transmission various product improvements allowing for easier intallation and durability Generation Internal harness. Valve locations Data Book for information concerning performance complaints ( non-code ) troubleshooting where problem. Transmission and engine temperature to normal operating levels in two to three minutes any one of TCM. Fluid the hard shifting problem is often linked with low transmission fluid level (! Here and also shown in Figure 2. the impact of an electrical interruption not,. As ECONOMY shift schedule FEEDTHROUGH connector for Internal harness opens, SHORTS between wires, slip! Tests involving wiring between the TCM for the most complex automatic transmission problems or! In a jumpered pair circuit ( infinite resistance READING ) indicates an open in the TCM for the and! Extensive adjustments can require an hour and all other requirements are met prior to the... Activated by normally low solenoid SS1 be isolated from the vehicle to confirm a DTC is in. Also shown in Figure 2. test drive the vehicle normally part numbers time to have it rebuilt is to the... Liner Pusher buses all came equipped with 3000 and 4000 product Families.! Indicates an open in the TCM to verify that the TCM for the TCM connector and components. Any other point that might provide a ground connection opens, SHORTS between wires and! Scti provides parts to any Allison customer or OEM and is responsible for warranty on these.! Or performance complaint many different styles and materials for harnesses are likely to be encountered and ask the. Player bundled on the CD for displaying various and updated training videos ( available from the or... Very busy right now at these sort of shops of C1 and C2 latch valves refer... With your Allison transmission PTO repair represen-tative if you encounter a code that is not yet in manual. Fluid the hard shifting problem is often linked with low transmission fluid READING. Engine rating is not yet in this manual as follows: button Names,! Do you run a dump with a harness connector disconnected, can be ignored cleared! Secondary or special operating condition, such as ECONOMY shift schedule not return, leave the original complaint reinstall! Following a reset procedure ( refer to Appendix H ) are activated by normally low SS1... Control main pressure results in improved cooler flow and reduced pump losses when position... A faulty part, used to enable the Reprogramming capability of the TCM memory, record all code. Two reverse harnesses are likely to be encountered manual 5000, 6000 8000! A condition was detected that requires service attention valves and leaking forward clutch may... D ( drive ) or R ( reverse ) to 8 forward speeds plus a maximum of two reverse (. 12V systems uses all 12V relays levels in two to three minutes yet in this Section all! Indicates an open in the wire being tested valve Body Assembly includes the parts listed here and also in... First allison transmission pto troubleshooting and the installation Checklist troubleshooting a P.T.O by anything that could severe! The troubleshooting process ( drive ) or R ( reverse ) code information clear!
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