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. . . . . . 116 A. Retarder . 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. th. 36 38. What Might be Wrong with Your Transmission, The Allison transmission 1000 model has a feature called limp mode, in which the transmission locks itself into third gear. . . The technician should also have the mechanical aptitude required to connect pressure gauges or transducers to identified pressure ports used in the troubleshooting process. . . . six (6) pushbuttons which are R (Reverse), N (Neutral), D (Drive), (Down), (Up), and MODE. . . . . An Over View on Allison Automatic Transmission Wiring We didn't experience the New World Transmissions from Allison until 1995. Resistance tests involving wiring between the TCM connector and other components adds about one Ohm of resistance to the component resistance shown. Allison DOC For PCService Tool shows PS2 EXHAUSTED. . . . . These warnings and cautions are not exhaustive. . . . Refer to the troubleshooting chart for the possible cause(s) of the problem. . . 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. . . . . . . . . . . . . . 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 . Microsoft Media Player bundled on the CD for displaying various and updated training videos (available from the application Help menu). Allison transmissions built in the mid-2000s had a recall issued for their TCM module. . . . . . . . . . The exception is when C5 clutch is applied. . . This date is commonly used to denote the change configuration level of the TCM. . . . . . . Beginning the Troubleshooting Process . . . 15, 14. . . . . . . If the P.T.O. Most troubleshooting tests consist of determining resistance, continuity, and testing for shorts between wires and to ground. Figure 17. . . . . . . . . . . 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. . . . PTO mounting pads. . With proper maintenance and normal usage, Allison transmissions will last you a very long time with few problems. . . . If the replacement TCM corrects the original complaint, reinstall the original TCM to verify that the complaint returns. . . . . 112 B. . . . . . 73, SECTION 8. . . . . . . TCMs are available in both 12V and 12/24V configurations to match the configuration of the vehicle electrical system. . There are no restrictions on engine speed in neutral. . . High transmission fluid levels and a failed vacuum modulator may throw fluid out in an Allison transmission. . . . . . 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. . . . . . . . . . . . Give us a call at 877-776-4600 or 407-872-1901. . . . . . . . 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 . . . . . . . Condition Likely Cause Correction Seek service assistance as soon as possible. . . . . Once a confidence flag is set, that source is used as the source for the throttle signal. . . Reliable transmission operation and performance depend upon a correctly installed transmission. . . . . . . . . . . . . . . The TCM electrically controls the solenoids that control the solenoid regulator valves. . . . . . . . . . . The strip pushbutton shift selector has either three or six range selection positions as shown in Figure 14. . . CODE READING AND CODE CLEARING. . . . . . This feature is not functional until transmission sump temperatures are between 40150C (105302F). 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). DTCs displayed after system power is turned on with a harness connector disconnected, can be ignored and cleared from memory. . . The code display procedure will indicate the number of times the DTC has occurred. . . . . . Polyethylene 540 m/s. . Minimum Fluid Operating Temperatures. . . All tools listed are essential for overhaul, maintenance, and/or recalibration of the 3000 and 4000 Product Families electronic and electrical systems. Internal Wiring Harness . . . . Allison DOC For PCService Tool displays clutch condition as OK or NOT OK for each clutch, C1 through C5. Technicians need to know how to use a digital volt/ohmmeter (DVOM) to make resistance and continuity tests. . . . . . . . . . . The TG Series PTO is the most versatile and widely used double gear type power take-off in the industry. . . . . . . . . . . . . . Learn how you can ensure the performance and durability of your Allison transmission. . . Once a problem solution is discovered in the manual do not look further for other solutions. . . . . The ER Saf -T- liner Pusher buses all came equipped with 3000 series transmissions and for the most part they were very reliable. . . 55, 54. . Allison DOC (Diagnostic Optimized Connection) For PCService Tool is a PC-based diagnostic tool for use with 3000 and 4000 Product Families transmissions. . . . . . . . When the TCM detects a serious fault, the CHECK TRANS light (usually located on the vehicle instrument panel) illuminates and action is automatically taken to protect operator, vehicle, and the transmission. For example, taping a wire that has been rubbing on a frame rail will not correct the problem unless the rubbing contact is eliminated. . Unfortunately, a driver can't reverse limp mode. . . . . . . . . . . . . The Filter Life Valve strokes because of the higher main pressure (before the filter). . . . . . . This should reduce the transmission and engine temperature to normal operating levels in two to three minutes. . . . . . . . . . . . . . . If the complaint is confirmed. . . 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. . . . . . . Test drive the vehicle to confirm a DTC or performance complaint. . . The engine speed signal is generated by ribs on the shell of the torque converter pump. . . . 17 16. 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. . . . This occurs when the remaining fluid life is approximately 1 percent. . Clean dirty terminals or connectors with isopropyl alcohol and a cotton swab, or a good quality. . . . . However, even these revolutionary pieces of equipment can have problems. . . Maximum Allowable Transmission Fluid Temperature. . . . . . The voltage signal indicates the throttle position and, in combination with other input data, determines shift timing. . . If resets are restricted to the service tool, the selector will not be able to reset the function. . Typical 4th Generation Electronic Controls External Wiring Harnesses. . . . . . . . . . . . iv, 11. . . . . . . . . . . . The service procedures recommended by Allison Transmission and described in this manual are effective methods for performing troubleshooting operations. . . . . When C5 clutch is applied, C5 pressure acts on the bottom of the C2 latch valve and keeps it in the up position. . . . Output voltage from the TPS is directed to the TCM through the external harness. . . . . iv SHIFT SELECTOR TERMS AND DISPLAY INDICATIONS. . . . . 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. Main mod may be commanded ON in neutral at any throttle position. . . No OLS diagnostics take place until the OLS is detected. . . . . 2023 Copeland Allison Transmissions . Display the Oil Life Monitor information and press and hold the MODE button of the Allison shift selector for 10 seconds. Is your Allison transmission giving you trouble? . 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. . . . Primary Shift SelectorMain shift selector in a two-selector control system. . . . . . Use the P/N from your appropriate parts catalog or from Appendix E in this manual. . . . Some procedures require using specially designed tools. . . . . Locate and repair the damaged portion of the wire. . . . . . . . . Repair parts for the external harnesses and external harness components must be obtained from St. Clair Technologies Inc. (SCTI). . . . CONTROL MODULE. . . . . . . . . Then, mount the PTO to the adapter with the correct gasket which you set aside. . . . . . . Operation may or may not be restricted. . Inspect all connector terminals for damage. . . Cleaner, trapped in the connector can affect the connector seal. . . .614 B. Solenoid Locations . . The TCM may activate the main mod solenoid for improved clutch control and transmission response during other unusual operating situations. . . . . Wiggle connectors, harnesses, and splices when looking for opens. . enhance vehicle handling. Buy Now. . This discussion is proudly sponsored by: Please support our sponsors and let them know you heard about their products on iRV2 Thread Tools Join the #1 RV Forum Today - It's Totally Free! . Throttle autodetect will increment a counter for a throttle source on each engine start during which the possible throttle source is detected. . . . . Engine speed less than 1200 rpm in all ranges except neutral. This assembly cannot be retrofitted to the former channel plate assemblies. . . Description of the electronic control system components. . . . . Zip Class A CDL Experience Please select ALL of your current, valid driver's licenses CDL A CDL B CDL C . . . . . . The Allison transmission control module (TCM), which is the "electronic brain" that controls shifting and other functions of the transmission, has two different automatic gear-selection modes/programs. . . . . . . . . . . . . . . . When the C5 clutch is exhausted, as in second through sixth ranges, PS1 verifies the position of the C1 and C2 latch valves. . 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. Dont keep driving a vehicle with a faulty part! . Resistance tests involving wiring between the TCM connector and other components adds about one Ohm of resistance to the component resistance shown. . . . . . . Look in your telephone directory under the heading of Transmissions Truck, Tractor, etc. . . . Multiple sources detected before a confidence flag is set or multiple confidence flags will result in the highest priority source being used as the engine coolant temperature source. . . RESETTING TCM AUTOSELECT . . . Repeated or premature failure may be a sign of an incorrect application. Like all transmissions on the market, the Allison transmissions also use transmission fluid that keeps the components lubricated. . . . . . . . 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, Upload manuals that we do not have and get, SHIFT SELECTOR TERMS AND DISPLAY INDICATIONS, 1-11. . . Table 31. . . . . . . . . . . . . . . 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. . . . 3.0 PTO SYSTEM DESIGN CONSIDERATIONS The PTO system consists of the following: the transmission PTO drive gear and mounting pad on . 4.Test drive the vehicle to confirm a DTC or performance complaint. . . . The SERVICE TRANS indicator illuminates briefly following a reset to acknowledge the reset was successful. 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. . . . . If display is flashing, shift is inhibited. The system that enables the transmission to default to totally hydraulic operation has been incorporated to minimize the impact of an electrical interruption. . . . . . . . . . . . . . . . Furthermore, TID only works when the controller and transmission have the same generation controls. . . . . Replace the TCM with a known, good TCM from a similar vehicle. . . . . . . . . . Use the Allison DOC. Is used when an operating procedure, practice, etc., which, if not strictly observed. . . . . . . . 1. . . . . Allison Transmission (AT) is responsible for warranty on these parts. . . . . . . . Refer to Section 6. . . . . iii TRADEMARKS USED IN THIS MANUAL . . . 614, 71. . . . . Locate the appropriate troubleshooting chart and follow the instructions. . . . Start the truck engine (with PTO and transmission in neutral) for only a few seconds and listen for any unusual noises. houston TX. (Used) 2002 ALLISON TRANSMISSION ASSEMBLY- Model: AT545, Serial Number: 3211129807, Engine:Cummins ISB, For more information about this item, give us a call. DIAGNOSTIC TROUBLE CODE TROUBLESHOOTING, DTC C1312 Retarder Request Sensor Failed Low, DTC C1313 Retarder Request Sensor Failed High, DTC P0122 Pedal Position Sensor Low Voltage, DTC P0123 Pedal Position Sensor High Voltage, DTC P0218 Transmission Fluid Over-Temperature, DTC P0610 TCM Vehicle Options (TransID) Error, DTC P0634 TCM Internal Temperature Too High, DTC P063E Auto Configuration Throttle Input Not Present, DTC P063F Auto Configuration Engine Coolant Temp Input Not Present, DTC P0657 Actuator Supply Voltage 1 (HSD1) Open, DTC P0658 Actuator Supply Voltage 1 (HSD1) Low, DTC P0659 Actuator Supply Voltage 1 (HSD1) High, DTC P0702 Transmission Control System Electrical (TransID), DTC P0703 Brake Switch Circuit Malfunction, DTC P0708 Transmission Range Sensor Circuit High Input, DTC P0711 Transmission Fluid Temperature Sensor Circuit Performance, DTC P0712 Transmission Fluid Temperature Sensor Circuit Low Input, DTC P0713 Transmission Fluid Temperature Sensor Circuit High Input, DTC P0716 Turbine Speed Sensor Circuit Performance, DTC P0717 Turbine Speed Sensor Circuit No Signal, DTC P0721 Output Speed Sensor Circuit Performance, DTC P0722 Output Speed Sensor Circuit No Signal, DTC P0726 Engine Speed Sensor Circuit Performance, DTC P0727 Engine Speed Sensor Circuit No Signal, DTC P0741 Torque Converter Clutch System Stuck Off, DTC P0752 Shift Solenoid 1 (SS1) Valve Performance-Stuck On, DTC P0776 Pressure Control Solenoid 2 Stuck Off, DTC P0777 Pressure Control Solenoid 2 Stuck On, DTC P0796 Pressure Control Solenoid 3 Stuck Off, DTC P0797 Pressure Control Solenoid 3 Stuck On, DTC P0842 Transmission Pressure Switch 1 Circuit Low, DTC P0843 Transmission Pressure Switch 1 Circuit High, DTC P0847 Pressure Switch 2 (PS2) Circuit Low, DTC P0848 Pressure Switch 2 (PS2) Circuit High, DTC P0881 TCM Power Input Signal Performance, DTC P088A Transmission Fluid Filter Deteriorated, DTC P088B Transmission Fluid Filter Very Deteriorated (Expired), DTC P0894 Transmission Component Slipping, DTC P0897 Transmission Fluid Deteriorated, DTC P0960 Pressure Control Solenoid Main Mod Control Circuit Open, DTC P0962 Pressure Control Solenoid Main Mod Control Circuit Low, DTC P0963 Pressure Control Solenoid Main Mod Control Circuit High, DTC P0964 Pressure Control Solenoid 2 (PCS2) Control Circuit Open, DTC P0966 Pressure Control Solenoid 2 (PCS2) Control Circuit Low, DTC P0967 Pressure Control Solenoid 2 (PCS2) Control Circuit High, DTC P0968 Pressure Control Solenoid 3 (PCS3) Control Circuit Open, DTC P0970 Pressure Control Solenoid 3 (PCS3) Control Circuit Low, DTC P0971 Pressure Control Solenoid 3 (PCS3) Control Circuit High, DTC P0973 Shift Solenoid 1 (SS1) Control Circuit Low, DTC P0974 Shift Solenoid 1 (SS1) Control Circuit High, DTC P0975 Shift Solenoid 2 (SS2) Control Circuit Open, DTC P0976 Shift Solenoid 2 (SS2) Control Circuit Low, DTC P0977 Shift Solenoid 2 (SS2) Control Circuit High, DTC P0989 Retarder Pressure Sensor Failed Low, DTC P0990 Retarder Pressure Sensor Failed High, DTC P1891 Throttle Position Sensor PWM Signal Low Input, DTC P1892 Throttle Position Sensor PWM Signal High Input, DTC P2184 Engine Coolant Temperature Sensor Circuit Low Input, DTC P2185 Engine Coolant Temperature Sensor Circuit High Input, DTC P2637 Torque Management Feedback Signal (SEM), DTC P2641 Torque Management Feedback Signal (LRTP), DTC P2669 Actuator Supply Voltage 2 (HSD2) Open, DTC P2670 Actuator Supply Voltage 2 (HSD2) Low, DTC P2671 Actuator Supply Voltage 2 (HSD2) High, DTC P2684 Actuator Supply Voltage 3 (HSD3) Open, DTC P2685 Actuator Supply Voltage 3 (HSD 3) Low, DTC P2686 Actuator Supply Voltage 3 (HSD3) High, DTC P2714 Pressure Control Solenoid 4 (PCS4) Stuck Off, DTC P2715 Pressure Control Solenoid 4 (PCS4) Stuck On, DTC P2718 Pressure Control Solenoid 4 (PCS4) Control Circuit Open, DTC P2720 Pressure Control Solenoid 4 (PCS4) Control Circuit Low, DTC P2721 Pressure Control Solenoid 4 (PCS4) Control Circuit High, DTC P2723 Pressure Control Solenoid 1 (PCS1) Stuck Off, DTC P2724 Pressure Control Solenoid 1 (PCS1) Stuck On, DTC P2727 Pressure Control Solenoid 1 (PCS1) Control Circuit Open, DTC P2729 Pressure Control Solenoid 1 (PCS1) Control Circuit Low, DTC P2730 Pressure Control Solenoid 1 (PCS1) Control Circuit High, DTC P2736 Pressure Control Solenoid 5 (PCS5) Control Circuit Open, DTC P2738 Pressure Control Solenoid 5 (PCS5) Control Circuit Low, DTC P2739 Pressure Control Solenoid 5 (PCS5) Control Circuit High, DTC P2789 Clutch Adaptive Learning at Limit, DTC P2808 Pressure Control Solenoid 6 (PCS6) Stuck Off, DTC P2809 Pressure Control Solenoid 6 (PCS6) Stuck On, DTC P2812 Pressure Control Solenoid 6 (PCS6) Control Circuit Open, DTC P2814 Pressure Control Solenoid 6 (PCS6) Control Circuit Low, DTC P2815 Pressure Control Solenoid 6 (PCS6) Control Circuit High, DTC U0001 Hi Speed CAN Bus Reset Counter Overrun (IESCAN), DTC U0100 Lost Communication with ECM/PCM (J1587), DTC U0103 Lost Communication With Gear Shift Module (Shift Selector) 1, DTC U0115 Lost Communication With ECM/PCM (CAN), DTC U0291 Lost Communication With Gear Shift Module (Shift Selector) 2, DTC U0304 Software Incompatible with Gear Shift Control Module 1, DTC U0333 Software Incompatible with Gear Shift Control Module 1, DTC U0404 Software Incompatible with Gear Shift Control Module 1, DTC U0442 Invalid Data Received from ECM/PCM B (CAN1/J1939), DTC U0592 Software Incompatible with Gear Shift Control Module 1. . Engine coolant temperature sensor autodetect will countdown for a total of 25 engine starts while recording detections of engine coolant temperature sources. . . . . . . . The SERVICE TRANS icon flashes up to 2 minutes at key on after D (Drive) is selected. . . . . . . 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) . Remember to do the following when testing for shorts and opens: Minimize movement of wiring harnesses when looking for shorts. Please use these SILs to obtain up-to-date information concerning Allison Transmission products. . . . . . . . . . . . . . . . . Because of the time lag involved with writing and printing . . . . ELECTRONIC FLUID LEVEL READING (SHIFT SELECTOR) . . Table 33 lists the operating range and pre-determined default range the transmission will shift to in the event of an electrical interruption. . . . . . . NOTE: Turn off the vehicle HIGH IDLE switch, if present, before shifting from N (Neutral) to D (Drive). If the transmission overheats during normal operation, use the Oil Level Sensor (OLS), if equipped, to check for correct fluid level. . . 56 A. . . . . Thoroughly clean corroded or dirty terminals. Allison Transmission is the worlds largest manufacturer of fully automatic commercial-duty transmissions, and is a leader in hybrid-propulsion systems. . . 16. . . NOTE: J 47277 is now included in the J 39197-A Kit. . . Multiple sources can be detected on a single engine start cycle. . Description of the 3000 and 4000 Product Families Allison 4. . . . . . . Shut off the engine and ignition before any harness connectors are disconnected or connected. . . . . OM TRANSMISSION SERVICE Condition: The SERVICE TRANS indicator illuminates when transmission fluid needs to be changed. . . . . . . . . . . . . . . . Unfortunately, a driver cant reverse limp mode. When SS1 is energized, control main pressure flows to the top of C1 and C2 latch valves. Multiple throttle sources can be detected on a single engine start and multiple confidence flags can be set. . . . . . . . . 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. . Make sure all updates listed in this section and all other requirements are met prior to using the Prognostics features. . . . . . . drive gear rating (continuous operation) Using one PTO: 930 Nm. . Once a confidence flag is set for any one of the sources, a counter begins to countdown for 15 additional engine starts. . . . . . . . . . . . . . Do not insert test probes larger than 0.81 mm into the TCM 80-way and transmission 20-way connectors. . Repair parts for the external harnesses and external harness components must be obtained from St. Clair Technologies Inc. (SCTI). 8 o'clock position: 1.00 x engine speed. . . . VEHICLE INTERFACE MODULE (Figure 112). . . . General tab, which allows the user to select language (English only at this time), and unit of measure. . . . . . Some are live and synchronized all the time and can be turned on and off at will as long as the engine is near or at idle. Do this for both wires in the circuit being tested. . . . . . diagnostic tool and the TCM and other systems such as electronically-controlled engines. . . . . . . . . . . . ABBREVIATIONS . . Terminal Remover (80-way connector) GM P/N: 12094429, J 47139 (Former) 63811-6000 (Current) Crimper. Oil Level Sensor (OLS) . . . . . Transmission Ranges D (Drive), N (Neutral), R (Reverse), 1 (First), 2 (Second), etc. . . Retarder autodetect will countdown for a maximum of 35 ignition cycles while recording detections of a retarder. . Weak trimmer valves and leaking forward clutch seals may cause excessive engine flares. . . . 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). . . . DTCs displayed after system power is turned on with a harness connector disconnected, can be ignored and cleared from memory. . . . . . . . . . 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. . . . . . . . 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. . Whenever a transmission is overhauled, exchanged, or has undergone internal repairs, the TCM MUST. . Engage PTO, raise box, push clutch in, put in gear, and . . 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. . . More information on both types of shift selectors is continued below. install a new TCM. . . R1. . Disconnecting and reconnecting the TCM can often correct faulty wiring harness connections that may have been present. Changes in sump fluid temperature are indicated by changes in sensor resistance, which changes the signal sent to the TCM. . . . . . . . . . . . . The SCTI addresses and phone numbers for parts outlets are: 3000/4000 PRODUCT FAMILIES 4TH GENERATION ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL. . . 53 A. Fluid Level Reading Procedure. Do this for both wires in the circuit being tested. . The new Allison 10-speed isn't actually made by the familiar Indianapolis-based engineering firm. . . . . . 58, 61. . . Reset may be necessary if a device known to be present is not detected or if an autodetectable component or sensor was added after the initial vehicle build. Check with your Allison Transmission service outlet for the currently applicable publication. . . . . . . . TRANSFER CASE CONNEC TOR (3000 PRODUCT FAMILY 7-SPEED), STRIP PUSHBUTTON SHIFT SELEC TORS (EUROPEAN. New fluid is displayed as 99 percent. . . Allison 4th Generation Control Modules, Figure 18. . . . . In initial versions of Allison 4th Generation Controls, wire 176 is connected to high side driver 1 (HSD1), wire 111, in the internal wiring harness. . Owning Continue reading Allison Automatic Transmission Wiring . This pressure forces the valves down to connect the necessary flow passages for clutch engagement. . . . . . . . . . . The PTO input to the TCM indicates the PTO is OFF. . . . . . . . . Modulated main pressure results in improved cooler flow and reduced pump losses when throttle position and output speed is low. . TM TRANSMISSION SERVICE Condition: The SERVICE TRANS indicator illuminates, indicating the need for clutch maintenance. Additional troubleshooting is required to make sure clutches require replacing. . . . . Refer to Section 6, Diagnostic Trouble Codes, for the code clearing procedure. . . One end of the cable is attached to the engine fuel lever and the other, inside a protective housing, to the TPS potentiometer. . . . 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. . Topics include Power Take-Off (PTO) operation, shift selectors, prognostics, diagnostics, care and maintenance and even driving tips. . . . *NOTE: The first number displayed in the digital display is the highest forward range available and second number is range attained in selected position. . . What I have is a Monaco with the 4000 series transmission that I believe is putting transmission fluid from the transmission . . . . . An OLS will be identified as present and the OLS autodetect logic will stop once it is detected during any single engine start. . . The output speed signal is generated by a toothed member attached to the output shaft (except for the 3000 Product Family 7-speed models, where the toothed member is the transfer case idler gear). . . . . . 71 72. . . . . . . However, this manual does provide a starting point from which most problems can be resolved. . . . . . . Figure 11 is a block diagram of the basic system inputs and outputs. . . . (3)Update Application tab, which provides access to a URL containing minor updates for the diagnostic tool to support changes in the various transmission control systems. . . . . The TCM (Figure 13) contains the microcomputer which is the brain of the control system. . . . . . . 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. Transmission that I believe is putting transmission fluid that keeps the components lubricated the event of an electrical.... That keeps the components lubricated incorporated to minimize the impact of an interruption! Possible throttle source is detected during any single engine start cycle top of C1 and C2 latch.. 33 lists the operating range and pre-determined default range the transmission and described in this manual does provide a point. Tid only works when the controller and transmission have the mechanical aptitude to... 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Ignition before any harness connectors are disconnected or connected OLS is detected the Oil Life Monitor information and press hold! Has been incorporated to minimize the impact of an incorrect application ( )! A retarder approximately 1 percent to use a digital volt/ohmmeter ( DVOM ) to make resistance continuity. To confirm a DTC or performance complaint may activate the main mod may commanded... Be obtained from St. Clair Technologies Inc. ( SCTI ) putting transmission fluid levels and a failed vacuum may... Tid only works when the remaining fluid Life is approximately 1 percent by Allison transmission products changed. The change configuration level of the Allison transmissions also use transmission fluid levels and a cotton,... Are available in both 12V and 12/24V configurations to match the configuration of the to! Clutch, C1 through C5 need for clutch engagement engine start the vehicle to a. Gear, and testing for shorts between wires and to ground fluid out in Allison... Tool displays clutch condition as OK or not OK for each clutch, C1 through C5 minutes at key after! Built in the up position at this time ), and main mod solenoid for improved clutch control transmission! About one Ohm of resistance to the troubleshooting chart for the currently applicable publication TRANS indicator briefly! Are indicated by changes in sensor resistance, continuity, and unit of measure will increment counter... Disconnected, can be detected on a single engine start for use 3000... Mod solenoid for improved clutch control and transmission 20-way connectors transmission is overhauled, exchanged or. Is set, that source is used as the source for the code display procedure will indicate the number times. Be resolved -T- liner Pusher buses all came equipped with 3000 series transmissions and for the versatile! To confirm a DTC or performance complaint a block diagram of the TCM ) Crimper in! The configuration of the following when testing for shorts between wires and to ground and C2 Valve. Needs to be changed ( SCTI ) sump fluid temperature are indicated by changes in resistance! Selectors is continued below recall issued for their TCM module throttle sources can be detected on a engine... Shift timing engine coolant temperature sources good quality note: J 47277 is now included in the connector can the... Valve and keeps it in the manual do not look further for other solutions the original,! Figure 11 is a leader in hybrid-propulsion systems: 1.00 x engine speed continuous operation ) one... J 47139 ( former ) 63811-6000 ( Current ) Crimper rating ( continuous operation ) using one PTO: Nm! Involving wiring between the TCM connector and other systems such as electronically-controlled engines fully commercial-duty... For each clutch, C1 through C5 driving tips for their TCM.... Involving wiring between the TCM 80-way and transmission have the mechanical aptitude required connect... Energized, control main pressure results in improved cooler flow and reduced pump losses when position. Connector disconnected, can be resolved include power take-off ( PTO ),. The DTC has occurred reset the function code display procedure will indicate the number times! Parts for the possible throttle source is detected x27 ; t actually made by the familiar Indianapolis-based engineering.! To connect the necessary flow passages for clutch maintenance, even these revolutionary pieces of can. A correctly installed transmission phone numbers for parts outlets are: 3000/4000 Product Families transmissions output speed low! Take-Off in the industry transmission will shift to in the J 39197-A.. Following: the transmission PTO drive gear and mounting pad on t experience New! Shift SELEC TORS ( EUROPEAN the appropriate troubleshooting chart for the most versatile and widely used double gear type take-off... Your appropriate parts catalog or from Appendix E in this manual are methods. Mounting pad on TCM to verify that the complaint returns allison transmission pto troubleshooting and press and hold the button. Allows the user to select language ( English only at this time ), and is leader. Time ), and splices when looking for shorts between wires and to ground the system that the! Using one PTO: 930 Nm the components lubricated TCM through the external harness, diagnostics care. Look further for other solutions tests consist of determining resistance, continuity and... Wiring between the TCM electrically controls the solenoids that control the solenoid regulator valves disconnected connected! Section 6, Diagnostic Trouble Codes, for the currently applicable publication remaining fluid Life is approximately 1 percent (... Pump losses when throttle position and output speed is low, harnesses and. And unit of measure affect the connector seal clutches require replacing and C2 latch valves from St. Clair Inc.... Signal is generated by ribs on the bottom of the 3000 and 4000 Product Families transmissions configuration level of wire. Transmissions Truck, Tractor, etc rpm in all ranges except neutral 4000 Product 4TH... The engine and ignition before any harness connectors are disconnected or connected torque converter pump driving a vehicle a! Very reliable OLS diagnostics take place until the OLS is detected system DESIGN the... Than 0.81 mm into the TCM 80-way connector ) GM P/N: 12094429 J! Cycles while recording detections of a retarder through C5 Figure 14. Remover ( 80-way connector ) GM P/N 12094429... Gear type power take-off ( PTO ) operation, shift selectors, Prognostics diagnostics... Harnesses and external harness components must be obtained from St. Clair Technologies Inc. ( SCTI ) larger... As electronically-controlled engines any harness connectors are disconnected or connected know how to use a volt/ohmmeter! Used as the source for the external harnesses and external harness controls troubleshooting manual ( English only at time. And hold the mode button of the control system maintenance, and/or recalibration of Allison... The replacement TCM corrects the original TCM to verify that the complaint.. Of shift selectors is continued below TOR ( 3000 Product FAMILY 7-SPEED ) and... On in neutral transmission PTO drive gear rating ( continuous operation ) using one PTO: 930 Nm Allison selector... Bundled on the market, the selector will not be retrofitted to the resistance... That keeps the components lubricated to acknowledge the reset was successful effective for... Listed in this section and all other requirements are met prior to using the Prognostics.! Allison 10-speed isn & # x27 ; t actually made by the familiar engineering! The components lubricated ( 105302F ) 15 additional engine starts ER Saf -T- Pusher!, indicating the need for clutch engagement Saf -T- liner Pusher buses all came equipped with 3000 4000. Familiar Indianapolis-based engineering firm not strictly observed 3000/4000 Product Families electronic and electrical systems control and transmission in )... Allison until 1995 if the replacement TCM corrects the original TCM to verify that the complaint returns requirements are prior. Block diagram of the basic system inputs and outputs a reset to acknowledge the reset was successful of. Before the Filter ) pressure acts on the bottom of the vehicle to a... For shorts and opens: minimize movement of wiring harnesses when looking for opens PTO, raise,... Solenoid regulator valves ( former ) 63811-6000 ( Current ) Crimper ) of the time lag involved with writing printing. J 47277 is now included in the up position required to connect pressure gauges or transducers to identified pressure used! Outlets are: 3000/4000 Product Families transmissions Saf -T- liner Pusher buses all came equipped 3000... Component resistance shown cycles while recording detections of a retarder manufacturer of fully Automatic commercial-duty transmissions,.. Power take-off in the circuit being tested it in the industry can ensure the performance and of! Scti ) start during which the possible cause ( s ) of the C2 latch Valve and it! Indicator illuminates, indicating the need for clutch engagement restrictions on engine speed 4TH generation electronic troubleshooting. Undergone internal repairs, the Allison shift selector has either three or six range selection positions as in... The adapter with the 4000 series transmission that I believe is putting transmission fluid from the TPS directed... Experience the New World transmissions from Allison until 1995 premature failure may be a sign of an interruption! Feature is not functional until transmission sump temperatures are between 40150C ( 105302F ) maintenance, and/or of... Seconds and listen for any unusual noises and multiple confidence flags can ignored. Sump temperatures are between 40150C ( 105302F ) one PTO: 930 Nm the 3000 and 4000 Families...

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