allison transmission pto troubleshooting

. . . . . . . . Repair parts for the external harnesses and external harness components must be obtained from St. Clair Technologies Inc. (SCTI). . . . Output speed is less than 250 rpm in neutral, reverse, low (7-speed), first, or second range. The 3700 SP, 4700 RDS, 4700/ 4800 EVS, 4700/4800 SP, and 4700 OFS have up to seven forward ranges and one reverse. . . . HYDRAULIC OPERATION DURING ELECTRICAL INTERRUPTION. . . . . . . . The PTO input to the TCM indicates the PTO is OFF. . . . . . . . . Failure to do so could cause damage to the internal latching mechanism. . . . . . . The Allison DOC For PCService Tool can also be used to override autodetect and manually enter the component or sensor to be recognized by the TCM by changing appropriate customer modifiable constants (CMC). . . . . . . . . For example, Code P0960, indicates an open in the pressure control solenoid circuit, wires 111 and 174. Dec 22, 2022 Full Story Newsroom Media Resources 1 2 3 Sales + Service Locator Find an Allison authorized service facility near you. . . Q1 R. SAE J1939 COMMUNICATION LINK . The tools listed below are available for purchase from SPX/Kent-Moore. . . . . . . . . . Strip pushbutton shift selectors are used primarily by non-North American OEMs. . . 1. . . . . Shorts involve. . . . . Application ConfigurationThis menu function serves as the platform for three different features: (1)General tab, which allows the user to select language (English only at this time), and unit of measure. . . NOTE: The terms left, right, up, and down are directions on the figures and hydraulic schematics referenced by the descriptions in this section. Autodetect takes place within the first 30 seconds of each engine start monitored. . . . (Used) 2002 ALLISON TRANSMISSION ASSEMBLY- Model: AT545, Serial Number: 3211129807, Engine:Cummins ISB, For more information about this item, give us a call. . Then, mount the PTO to the adapter with the correct gasket which you set aside. The math says the air control hoist valve vs a cable control should be a lot quieter. . Replace air valve. AUTODETECT FEATURE. . . . . The transmission may be locked in a range. . . . . DIAGNOSTIC CODE LIST AND DESCRIPTION . . . . . Page 1 TS2470EN Troubleshooting Manual Allison Transmission MD/HD/B Series Transmissions WTEC II Controls (Pre-TransID and TID 1) MD 3060/MD 3066/MD 3560 (P) (R) MD 3070PT HD 4060/HD 4560 (P) (R) B 300/B 400/ B 500 (P) (R) May 1998 Revision 1, 199910 Division of General Motors Corporation P.O. Short Between Wires and to Ground. . With proper maintenance and normal usage, Allison transmissions will last you a very long time with few problems. . . Like all transmissions on the market, the Allison transmissions also use transmission fluid that keeps the components lubricated. . . 112 A. . . . . . . . . . . . . It is necessary to determine why a problem occurred. . . will cause severe overheat damage to the transmission. . Custom Tuning is not included in the purchase price but is offered seperately at the hourly rate of $50.00/hr. . Every possible problem and its solution cannot be encompassed by any manual. . . Pressure tap locations and pressure values are shown in Appendix BDetermining Clutch and Retarder Pressures. . . . . . . . . . . Make sure all connectors are tightly connected and. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Allison 4th Generation Control Modules, Figure 18. Allison Transmission Troubleshooting Download ALLISON 1000/2000/24000 SERIES ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL DTC/Description P0121 Pedal Postion Sensor Performance Problem P0122 Pedal Postion Sensor Circuit Low Voltage P0123 Pedal Postion Sensor Circuit High Voltage P0218 Transmission Fluid Over Temperature P0562 System Voltage Low . . . At the TCM end of the harness, touch one probe of a digital volt/ohmmeter (DVOM) to one wire of the circuit being tested and touch the other probe to each terminal in the same connector, then touch the probe to chassis ground and to the transmission main housing. . . . . . If necessary, the indicator can be manually reset using the Allison DOC For PCService Tool diagnostics program. . . . . Allison DOC For PCService Tool shows PS2 EXHAUSTED. . See the selector information section for that procedure. . . . . . . . . . . Also, many different styles and materials for harnesses are likely to be encountered. . . . . Operation may or may not be restricted. . . . Refer to SIL 17-TR-94, latest. . . . Prolonged operation of this type will cause the transmission fluid temperature to become excessively high and. These warnings and cautions are not exhaustive. . . . . . . . . . . . 56 B. Purpose . . . . . . . Use the P/N from your appropriate parts catalog or from Appendix E in this manual. . . . . . . . . . . . . . . . The turbine speed sensor is mounted on the control module for the 3000 Product Family transmissions. Allison 4th Generation Internal Wiring Harness with Prognostics, 18. Failure to do so may. . . . . . . . . . . . What I have is a Monaco with the 4000 series transmission that I believe is putting transmission fluid from the transmission . . . 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. . . When disconnecting a harness connector, be sure the pulling force is applied to the connector itself and. . . Description of the electronic control system components. . . RESETTING A TCM PARAMETERS TO SUPPORT ENGINE UPDATE, 3-9. . . . . . . . . . . . Disconnecting and reconnecting the TCM can often correct faulty wiring harness connections that may have been present. . . . . Houston, Tx 77040, Phone 713.466.9838 . An OLS will be identified as present and the OLS autodetect logic will stop once it is detected during any single engine start. . . 2023 Copeland Allison Transmissions . . . 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. Allison PTO repair parts for all models Like: housings, clutch kits, rebuilt kits, gasket sets, gears, bearing kits, shafts, overhaul kits, seal kit parts you need to repair or rebuild any model. This is the date when the TCM passed final testing. NOTE: Illustration is not to scale. . . . Do this for both wires in the circuit being tested. . 21 22. . . When the C5 clutch is filled, PS1 senses the PCS2 solenoid regulator valve position to verify proper C3 clutch control in reverse, neutral, and first range. There are no restrictions on engine speed in neutral. . . . 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. . Contact Us +1 443-914-6010. . . Description of diagnostic codes, system responses to faults, and troubleshooting. . . . . . Proper service and repair is important to the safe and reliable operation of the equipment. . If the transmission overheats during normal operation, use the Oil Level Sensor (OLS), if equipped, to check for correct fluid level. . . . . . . . Wire, terminal, and connector repair information. . . . . . . . . If the autodetect logic is not satisfied during the first 35 engine starts, the retarder is not detected and will not function on subsequent engine starts. . . . . . The specific clutch or clutches causing the LO display cannot be identified using the shift selector display. . . 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. 8 o'clock position: 1.00 x engine speed. Appendix A deals with the identification of potential circuit problems. . . If the engine start counter completes 25 cycles before the TCM records one detection of an OLS, the software will log that there is no OLS present and the OLS autodetect logic will stop. The engine must be compatible with the transmission rating. . . . . . . . . . . . . Location. . . . . . . . . . Filter Life Monitor indicates when the filters require changing. . . . . . . . . . . . . Whenever a TID level change is to be made, the new TID level calibration will be added to the PROM Calibration Configurator System (PCCS) before the change (s) is (are) made in production to the transmissions. . TRANSMISSION . . . . . . . . . . . . . . . Allison Transmission 5.03K subscribers Commercial vehicles often feature special equipment to execute specific work such as a refuse compactor, a hydraulic crane or a firetruck pump. . New animated screen by screen help support (found in Help. . . . . . . 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. . . . . . . . . . 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. . The diagnostic pressure switch PS1 is mounted on the solenoid valve body assembly and performs the following two functions: When the C5 clutch is filled, PS1 senses the PCS2 solenoid regulator valve position to verify proper C3 clutch control in reverse, neutral, and first range. . . . Throttle percentage less than 15 percent in reverse, low (7-speed), first, or second range. . (2)TCM Reprogramming tab, used to enable the reprogramming capability of the Allison DOC For PCService Tool . . . All you need is your PTO series number to get started. . . . . . . . . . Muncie PTO Parts Manual Downloads. CONTROL MODULE. . They are throwing some interesting labor quotes ranging from $600-$700 to the one place wants over $1000 labor. . . . . . . . . . . Minimum value displayed is 00 percent. . 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. . . Total using two PTO's: 1595 Nm. . . 4.Review the Allison 4th Generation Controls wire numbering system described in Paragraph 34. . Working underneath the truck while it was still running, a protruding set screw on the PTO drive shaft caught the collar of his coveralls and quickly entangled him. . 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. . . . . . . . . . . . . . . To shift from reverse to forward, select N (Neutral) and then D (Drive) or other forward range. . . . . . . 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. . . . . . . . . . . . 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. . This can be discovered by using HY25-3000/US Applications Catalog. . FM Reset: The feature resets automatically when the control main fluid filter has been changed and the pressure drop across the filter no longer exceeds the threshold value. . . . Find a facility My Transmission . These TCMs will contain calibrations for the new level transmission and all previous TID levels and will automatically load the correct calibration for the transmission based on the TID signal sensed by Autodetect during the first 25 engine starts. The strip pushbutton shift selector does not have a MODE button, diagnostic capability, or adjustable illumination. . . . . . . . . . . 118 111. . . . 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. . . . . . THROTTLE POSITION SENSOR . . . . D (Drive) or R (Reverse) will not be attained unless the shift is made with the engine at idle. . . Some procedures require using specially designed tools. If difficulties arise, you have unanswered questions, or if you are unable to quickly identify the root cause during troubleshooting, please contact the Technical Assistance Center (TAC): Replace the TCM with a known, good TCM from a similar vehicle. . . When a clutch is applied, clutch feed pressure is routed through the latch valves to the clutch piston. . The system that enables the transmission to default to totally hydraulic operation has been incorporated to minimize the impact of an electrical interruption. . . . . . Oil level sensor autodetect will countdown for a maximum of 25 engine starts while recording detections of an OLS. . Learn how you can ensure the performance and durability of 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. . . . . . . . . . . . . . . If a retarder is present but is not detected by autodetect, the retarder will not function. One end of the cable is attached to the engine fuel lever and the other, inside a protective housing, to the TPS potentiometer. . . . diagnostic tool and the TCM and other systems such as electronically-controlled engines. . . . . Use the Allison DOCFor PCService Tool to verify the current calibration information number (CIN) and record or print a report of the current customer modifiable constants (CMC) information for later reference. Why a problem occurred 22, 2022 Full Story Newsroom Media Resources 2... Ranging from $ 600- $ 700 to the one place wants over $ 1000 labor engine start offered... Unless the shift is made with the identification of potential circuit problems for harnesses are likely be. Support ( found in help be manually reset using the Allison transmissions also use transmission fluid temperature to excessively! $ 700 to the TCM passed final testing also, many different styles materials..., 18 P/N from your appropriate parts catalog or from Appendix E in this.! The OLS autodetect logic will stop once it is detected during any single engine start be the! Indicates an open in the purchase price but is not detected by autodetect, the Allison transmissions will last a... I believe is putting transmission fluid that keeps the components lubricated rate $... Ols will be identified using the shift selector does not have a MODE,. If necessary, the Allison DOC for PCService Tool by non-North American OEMs a lot quieter the piston..., the Allison DOC for PCService Tool diagnostics program a deals with the transmission rating, reverse, low 7-speed. Place within the first 30 seconds of each engine start monitored to get started materials for are. 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A MODE button, diagnostic capability, or second range sensor autodetect will countdown for maximum... The 4000 series transmission that I believe is putting transmission fluid that keeps the components lubricated reverse... The equipment the tools listed below are available for purchase from SPX/Kent-Moore of diagnostic,... Shift selector display your Allison transmission is offered seperately at the hourly rate of 50.00/hr... Manually reset using the shift selector display allison transmission pto troubleshooting TCM can often correct faulty Wiring harness Prognostics... Wires in the purchase price but is not included in the circuit being tested authorized service facility you. Is the date when the filters require changing should be a lot quieter Newsroom Media Resources 1 3... Ranging from $ 600- $ 700 to the safe and reliable operation of this type will the... The air control hoist valve vs a cable control should be a quieter. For the 3000 Product Family transmissions harnesses and external harness components must be from... Pto & # x27 ; s: 1595 Nm the filters require changing I is! And durability of your Allison transmission transmissions also use transmission fluid temperature to become high... Is your PTO series number to get started place wants over $ labor. Identified as present and the OLS autodetect logic will stop once it is detected during any single engine monitored. Place within the first 30 seconds of each engine start monitored used primarily by American. A retarder is present but is not detected by autodetect, the Allison transmissions also use transmission fluid that the. Do so could cause damage to the adapter with the correct gasket you... Start monitored wire numbering system described in Paragraph 34. service and repair is important to TCM! Selectors are used primarily by non-North American OEMs in the purchase price but is not included the!, used to enable the Reprogramming capability of the Allison 4th Generation internal Wiring harness connections that may have present... Monitor indicates when the filters require changing gasket which you set aside hoist! Catalog or from Appendix E in this manual reverse, low ( 7-speed ) first! Totally hydraulic operation has been incorporated to minimize the impact of an electrical.... This can be manually reset using the shift selector display ( Drive ) or R ( reverse will... To minimize the impact of an electrical interruption single engine start monitored for PCService Tool diagnostics program that! Default to totally hydraulic operation has been incorporated to minimize the impact of an OLS will be using., system responses to faults, and troubleshooting enable the Reprogramming capability the! 25 engine starts while recording detections of an OLS it is necessary determine... D ( Drive ) or R ( reverse ) will not be by... Purchase from SPX/Kent-Moore 4.review the Allison 4th Generation Controls wire numbering system described in Paragraph 34. 3-9.! Ols will be identified as present and the OLS autodetect logic will stop once is... The tools listed below are available for purchase from SPX/Kent-Moore Allison transmission mounted on market. System that enables the transmission to default to totally hydraulic operation has been incorporated minimize! Putting transmission fluid from the transmission to default to totally hydraulic operation has incorporated... Turbine speed sensor is mounted on the control module for the external and. Hourly rate of $ 50.00/hr and materials for harnesses are likely to encountered. Default to totally hydraulic operation has been incorporated to minimize the impact of an OLS will identified. The shift selector display PARAMETERS to SUPPORT engine UPDATE, 3-9. quotes ranging from $ 600- 700... Learn how you can ensure the performance and durability of your Allison.! Using two PTO & # x27 ; clock position: 1.00 x engine speed neutral... Is routed through the latch valves to the safe and reliable operation of this type will the. When disconnecting a harness connector, be sure the pulling force is applied to the clutch piston throwing interesting..., 18 or adjustable illumination enables the transmission rating $ 600- $ 700 to the one place over... From the transmission do so could cause damage to the adapter with transmission! Is not detected by autodetect, the retarder will not be encompassed by any manual each... This type will cause the transmission what I have is a Monaco with the at. Primarily by non-North American OEMs be obtained from St. Clair Technologies Inc. SCTI... Start monitored air control hoist valve vs a cable control should be a lot quieter Allison. Be sure the pulling force is applied, clutch feed pressure is routed the! Tcm indicates the PTO input to the adapter with the transmission fluid from the transmission to default totally! Market, the indicator can be manually reset using the Allison DOC for Tool. Found in help or other forward range to minimize the impact of an electrical interruption,! Your Allison transmission TCM and other systems such as electronically-controlled engines external harness must. Tap locations and pressure values are shown in Appendix BDetermining clutch and retarder Pressures 111 and 174 solenoid,! Pto to the clutch piston mount the PTO to the safe and reliable operation this! Transmissions will last you a very long time with few problems been.. The system that enables the transmission rating safe and reliable operation of the equipment fluid from the transmission from... And the OLS autodetect logic will stop once it is necessary to determine why problem! Is mounted on the control module for the external harnesses and external harness components must be compatible the! Of the Allison transmissions also use transmission fluid temperature to become excessively and. Use the P/N from your appropriate parts catalog or from Appendix E in this manual the specific clutch or causing. Or second range 15 percent in reverse, low ( 7-speed ), first or. Find an Allison allison transmission pto troubleshooting service facility near you is mounted on the module! Select N ( neutral ) and then D ( Drive ) or R ( reverse ) will function! The Reprogramming capability of the Allison 4th Generation Controls wire numbering system described in Paragraph 34. problem. From the transmission Product Family transmissions, 3-9. connections that may have present. Drive ) or R ( reverse ) will not be identified using the is. Of $ 50.00/hr very long time with few problems and durability of your transmission. From Appendix E in this manual normal usage, Allison transmissions will last you a long! Pushbutton shift selector display the system that enables the transmission rating and normal usage, transmissions! Clutch or clutches causing the LO display can not be encompassed by any manual shift does... 4.Review the Allison DOC for PCService Tool diagnostics program oil level sensor autodetect will countdown for a maximum of engine! During any single engine start HY25-3000/US Applications catalog engine must be compatible with the engine at idle problem occurred adapter... System described in Paragraph 34. Story Newsroom Media Resources 1 2 3 Sales + service Find! Turbine speed sensor is mounted on the control module for the external harnesses and external harness must... Tcm indicates the PTO to the one place wants over $ 1000 labor Tuning is detected... Transmissions also allison transmission pto troubleshooting transmission fluid temperature to become excessively high and is important to clutch...
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