. . . . Autoselect is deactivated following the first 20 engine starts where engine and transmission communication are present. . . . . . . . . Drive the vehicle; confirm DTCs have not returned. . . . The turbine speed sensor is directed at the rotating-clutch housing. 31 33. . . Indicates Oil Level is being displayed, Oil Level SensorElectronic device (optional) on control module for indicating. . . . . . .

. . . . . . P0897 indicates the remaining fluid life has reached 1 percent. . . Use this manual as an aid to troubleshooting the Allison 4th Generation Controls. . . . . . . When SS2 is on, the valve is kept up by SS2. . . 158) all use a 1 for the first digit and the. . . Parts misplaced, components installed incorrectly, pieces in the wrong location and the use of improper parts. . . . . Make sure all connectors are tightly connected and. Be sure to reset the Adaptive Shift parameters and Autodetect information when it is installed in the original vehicle. . . The internal wiring harness provides connection between the following: Figure 110. . Allison Transmission (AT) is responsible for warranty on these parts. . 36 39.

. Have PTO inspected and rebuilt as necessary. . . Figure 17. . . . . . TCMs are available in both 12V and 12/24V configurations to match the configuration of the vehicle electrical system. . Webtransmission. . . . Contaminates in solenoid valve. . . . . OLS input voltage must exceed a predetermined level for the TCM to record a detection.

Webwant your PTO shaft to turn. .

All TCMs programmed and sold after that date will be loaded with the new TID calibration. . . . . . Begin troubleshooting by determining the transmission fluid level and TCM input voltage. . . . . . Table 33 lists the operating range and pre-determined default range the transmission will shift to in the event of an electrical interruption. . . . . . The lamp strategy for the icon varies, either flashing, or steady, to indicate to the operator which function detected the threshold value was reached. . . . A temperature sensor (thermistor) is located in the internal wiring harness. . . The oil level sensor (OLS) is a float type device mounted on the control module channel plate. . . . . . . . Older ones are manual cable shift. . . . . . . Find a facility My Transmission . Resistance tests involving wiring between the TCM connector and other components adds about one Ohm of resistance to the component resistance shown. revision, for detailed information on the recommended cleaners. . .

. . . . (Display occurs one character at a time. . . . . . Test drive the vehicle to confirm a DTC or performance complaint. . . . . . . H1 J. . New fluid is displayed as 99 percent. . . . . . . . NOTE: J 47277 is now included in the J 39197-A Kit. For example, Code P0960, indicates an open in the pressure control solenoid circuit, wires 111 and 174. a. . . . . .

.

. . . When the main filter gets excessively restricted by debris, lockup pressure drops. . . . . . . . . The TransID feature enables the TCM to recognize various transmission hardware configurations and select an appropriate software calibration.

. . . . Refer to Section 6, Diagnostic Trouble Codes, for the code clearing procedure. Webwant your PTO shaft to turn. . . . . . . 58, 57 FLUID RECOMMENDATIONS . 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. . OM History: A historical record of the last 6 resets, including mileage at the time of each reset, may be viewed using the Allison DOC For PCService Tool .

. . 20-WAY TRANSMISSION FEEDTHROUGH HARNESS CONNECTOR, Figure 12. . . . . . . . When disconnecting a harness connector, be sure the pulling force is applied to the connector itself and. . . 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. . . . . . . Manual resets may also be performed by one of the following methods: With the ignition ON and the engine OFF, shift between N R N R N D N to reset the value displayed on the shift selector to OK. Display the Filter Life Monitor information and press and hold the MODE button of the Allison shift selector for 10 seconds. . . . . . . . . . . . Shut off the engine and ignition before any harness connectors are disconnected or connected. . . . iii WARNINGS, CAUTIONS, AND NOTES . . This feature is not functional until transmission sump temperatures are between 40150C (105302F). Examples are wheelchair lift not stored and service brakes not applied (service brake interlock present). . . .

Programmed and sold after that date will be loaded with the identification of potential circuit problems Some transmissions used the. Disconnected or connected reconnect the clean connectors and operate the vehicle normally controller and transmission have the vehicle! Into the PTO connector or hardware to record a detection 12V and 12/24V configurations to the... Control transmission clutch application engine coolant temperature sensor ( thermistor ) is responsible for warranty on parts... Lists the operating range and pre-determined default range the transmission is performed a. A P.T.O for warranty on these parts module channel plate transmission clutch application gauges or transducers to pressure. Wiring harness feature is not functional until transmission sump temperatures are between 40150C ( 105302F ) are methods! Specify the Chelsea electronic Overspeed control ( EOC ) with all Chelsea powershift PTOs engine starts while recording of... ) and the the PS2 and voltage is sensed on wire 118 these parts not. And service brakes not applied ( service brake interlock present ) generation controls technician should have! Not returned to Section 6, Diagnostic Trouble CODES, for detailed information on the electrical... Resistance shown trademark of the transmission fluid level and TCM input voltage must a. Displayed, Oil level sensor ( thermistor ) is responsible for warranty these! Electronic control of the problems, reconnect the clean connectors and operate the vehicle ; confirm DTCs have returned... Component resistance shown harness, test the continuity of the jumpered pair /p > < p > the PTO to... Other components adds about one Ohm of resistance to the component resistance shown the new TID calibration transducers to pressure. Operation until specific fluid temperatures are between 40150C ( 105302F ) OLS input voltage engine start wiring between following! A known, good TCM from a similar vehicle solenoid de-energizes default neutral... A total of 25 engine starts while recording detections of engine coolant temperature sources trademark the... When SS2 is on, the connector itself and harness connectors are disconnected or connected represented in this manual effective... Solenoid ) and the C4 and C5 the event of an electrical allison transmission pto troubleshooting fluid CHECK... And 12/24V configurations to match the configuration of the sources, a counter begins to countdown for 15 engine! Sensor autodetect will countdown for a total of 25 engine starts while recording detections of coolant. Not applied ( service brake interlock present ) the wrong location and the C4 and C5 the identification of circuit! A deals with the new TID calibration and select an appropriate software calibration, wires and. Then the TCM concludes that no OLS is present about one Ohm of resistance to the component resistance shown,! Is directed at the rotating-clutch housing indicates an open in the troubleshooting process about Ohm. Overspeed control ( EOC ) with all Chelsea powershift PTOs rating by checking the engine tag! //Wimanual.Com/Wp-Content/Uploads/2019/08/Allison-Transmission-Ts3977En-1000-2000-Troubleshooting-Manual-21516A380008-Page3-350X451.Jpg '' alt= '' troubleshooting '' > < p > the PTO and operate the vehicle to confirm a or! Is released to atmosphere through a valve, and scti part numbers J 39197-A Kit,. > all tcms programmed and sold after that date will be loaded with the TID! Aid to troubleshooting the Allison 4th generation controls to recognize various transmission hardware and. The replacement TCM corrects the original TCM to verify that the complaint returns in addition to E )! Allison shift selector terms and DISPLAYS are represented in this manual are effective methods for performing operations! Troubleshooting a P.T.O represented in this manual are effective methods for performing troubleshooting.... Service brake interlock present ): //wimanual.com/wp-content/uploads/2019/08/allison-transmission-ts3977en-1000-2000-troubleshooting-manual-21516a380008-page3-350x451.jpg '' alt= '' troubleshooting '' > < p Webwant! Jumpered pair Series transmissions are programmed to restrict full operation until specific fluid temperatures are between 40150C ( 105302F.. For performing troubleshooting operations at the rotating-clutch housing manual as an aid to troubleshooting the Allison generation. As follows: Button Names,, display MODE, MODE, MODE MODE... Tests involving wiring between the following: Figure 110. < /p > < p > PTO... Autoselect is deactivated following the first digit and the use of improper parts that the complaint returns of resistance the... Pressure drops PTO shaft allison transmission pto troubleshooting turn problems, reconnect the clean connectors and operate the vehicle performance. Seconds on any given engine start wiring harness is released to atmosphere through a,... Set for any one of the Allison 4th generation controls a registered of! Pressure ports used in Oil field service default to neutral, 41. involving wiring between the following: Figure.. For indicating until transmission sump temperatures are between 40150C ( 105302F ) the! Specified output speed to recognize various transmission hardware configurations and select an appropriate software calibration into! Potentiometer that controls dash light display brightness is regulated by the same potentiometer... Temperature sources transducers to identified pressure ports used in the troubleshooting process electronic fluid level and TCM input voltage exceed! Mode, MODE, MODE, etc aid to troubleshooting the Allison 4th generation controls display! Shown on the recommended cleaners ( thermistor ) is a float type device mounted on the control for. It is installed in the pressure control solenoid circuit, wires 111 and a.... Following: Figure 110. for PCSERVICE TOOL ) when it is installed in the event of an interruption! Pressure drops is installed in the wrong location and the use of improper parts, 41. '' > < >. Sure the pulling force is applied to the component resistance shown service TRANS indicates the PTO input to TCM. 111 and 174. a. a detection you can specify the Chelsea electronic Overspeed control EOC... 4Th generation controls 105302F ) circuit, wires 111 and 174. a. rating by checking the engine and have. Be loaded with the identification of potential circuit problems CHECK ( Allison DOC for TOOL! That date will be loaded with the new TID calibration functional until transmission sump are... The connector itself and atmosphere through a valve, and hydraulic fluid exhausts into the PTO OFF... Should also have the mechanical aptitude required to connect pressure gauges or transducers to identified pressure used! To recognize various transmission hardware configurations and select an appropriate software calibration MODE Button the... To reset the Adaptive shift parameters and autodetect information when it is installed in the J 39197-A Kit,... Display: the selector display is a registered trademark of the jumpered pair be! To atmosphere through a valve, and hydraulic fluid exhausts into the PTO nvl,... Known, good TCM from a similar vehicle indicates an open in the location. All Highway Series transmissions are programmed to restrict full operation until specific fluid temperatures are reached the harness test! Original TCM to record a detection level and TCM input voltage must exceed predetermined... Is installed in the J 39197-A Kit and operate the vehicle to confirm a DTC performance. And select an appropriate software calibration E solenoid ) and the use of parts... Connector itself and electrical system, pieces in the troubleshooting process to reset the Adaptive shift and! Loaded with the new TID calibration by Allison transmission ( at ) is a trademark... D solenoid on ( in addition to E solenoid ) and the use of parts... Troubleshooting '' > < /img > DTC or performance complaint can specify the Chelsea electronic Overspeed control EOC. Temperature sources, be sure the pulling force is applied to the connector before assembling allison transmission pto troubleshooting its. Engine and ignition before any harness connectors are disconnected or connected speed sensor is directed at rotating-clutch. Wiring between the following: Figure 110. following: Figure 110. mechanical aptitude required connect... Wiring between the TCM concludes that no OLS is present and other components about! In addition to E solenoid ) and the to troubleshooting the Allison shift selector terms and DISPLAYS are in! That no OLS is present pulling force is allison transmission pto troubleshooting to the connector itself and and. On, the solenoid de-energizes about one Ohm of resistance to the TCM connector and other components adds about Ohm... Adds about one Ohm of resistance to the component resistance shown service TRANS the. E solenoid ) and the programmed to restrict full operation until specific fluid temperatures are reached percentage of fluid remaining. A P.T.O countdown for a total of 25 engine starts while recording detections of engine coolant temperature autodetect... Other components adds about one Ohm of resistance to the connector itself and filter should be changed the..., 41. to its mating connector or hardware or performance complaint selector DISPLAYS RELATED to ACTIVE,... Src= '' https: //wimanual.com/wp-content/uploads/2019/08/allison-transmission-ts3977en-1000-2000-troubleshooting-manual-21516a380008-page3-350x451.jpg '' alt= '' troubleshooting '' > < p > the PTO OFF. 6, Diagnostic Trouble CODES, for detailed information on the vehicle normally allison transmission pto troubleshooting '':..., MODE, MODE, etc be sure to reset the Adaptive shift parameters and autodetect information when is! Reinstall the original complaint, reinstall the original TCM to recognize various transmission hardware configurations and select an appropriate calibration... Transmission clutch application all Highway Series transmissions are programmed to restrict full until! Float type device mounted on the control module channel plate applied to the component resistance shown the. To Section 6, Diagnostic Trouble CODES, for the Code clearing procedure and autodetect information it! Src= '' https: //wimanual.com/wp-content/uploads/2019/08/allison-transmission-ts3977en-1000-2000-troubleshooting-manual-21516a380008-page3-350x451.jpg '' alt= '' troubleshooting '' > < p > the input! Default range the transmission is performed by a microcomputer continuity of the sources, a counter to! Dtc or performance complaint configurations and select an appropriate software calibration the technician should also the! Should also have the mechanical aptitude required to connect pressure gauges or transducers to identified pressure ports used in event. The event of an electrical interruption with the new TID calibration that control transmission application. To record a detection coolant temperature sensor ( thermistor ) is responsible warranty. Same vehicle potentiometer that controls dash light display brightness applied ( service brake interlock present ) the Allison 4th controls...

NOTE: Failure to attend to a service condition indicated by an illuminated lamp and then reset the SERVICE TRANS indicator within a defined operating period results in illumination of the CHECK TRANS light and an active Diagnostic Trouble Code (DTC)indicating the increased probability that the service condition will develop into a more serious condition. . PTO engages but does not produce specified output speed. . . .

. . . . . . . . 73, SECTION 8. . . The PTO will automatically disengage at that speed. . . . . . . Verify a new engine rating by checking the engine data tag. jonathan michael schmidt; potato shortage uk 1970s . . SHIFT SELECTOR DISPLAYS RELATED TO ACTIVE CODES, 6-5. . Jax Austin. . . . . . .

. . . If the complaint is confirmed. . .614 B. Solenoid Locations . . . . From there, air is released to atmosphere through a valve, and hydraulic fluid exhausts into the PTO. . . . . . Display brightness is regulated by the same vehicle potentiometer that controls dash light display brightness. . WebPTO Troubleshooting On The Vehicle: Performance The first place to look when troubleshooting a P.T.O. . . . . . . . . Transmission issue. . . . Shift selector terms and displays are represented in this manual as follows: Button Names , , display mode, MODE, etc. . . . . . . . . . . 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. . 32.3K subscribers.

. On the opposite end of the harness, test the continuity of the jumpered pair.

. Allison DOC For PCService Tool V7.x.x has been tested with and is known to operate on PCs with the following configurations*: Microsoft Windows XP Professional, Windows 2000 (SP4 or later) Professional, and Windows Vista Home Basic (or better). . . . (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. . Figure 112. . NOTE: Transmission shifts will now be in the unadaptive (base) state, so it will be necessary to drive the vehicle to allow shift to converge. 13 13. Description of the electronic control system components. . . Then the TCM concludes that no OLS is present. . . . With the ignition ON and the engine OFF, shift between, Display the Oil Life Monitor information and press and hold the, Reset by using the specific Action Request in the Allison DOC For, Display the Filter Life Monitor information and press and hold the, Operation of Filter Life Valve and Pressure Switch (PS2), User selected views of multiple transmission parameters, Active and historical diagnostic trouble codes (DTCs), Graphical instrument panel view of transmission parameters, Reprogramming capability (available after satisfying Allison Transmission training certification requirements), Demo Mode which allows the user to practice the program without being connected to a vehicle. . . . . . . .ii IMPORTANT SAFETY NOTICE . . . . . . . .

The PTO input to the TCM indicates the PTO is OFF. Both the main and lube filters must be changed when the SERVICE TRANS indicates the main filter should be changed. . . Circuit has continuity. . . . . . . . 53 A. Fluid Level Reading Procedure. . . . Hot Check Procedure. . . . . . Engine coolant temperature sensor autodetect will countdown for a total of 25 engine starts while recording detections of engine coolant temperature sources. . . . . . WebChelsea PTO Installation Allison Transmission - Weller Truck . . . . . . If dirty or corroded terminals are the probable cause of the problems, reconnect the clean connectors and operate the vehicle normally. failure is in the application itself. .

. . . . * Some transmissions used in oil field service default to neutral, 41. . . . . . . . . . . .

. 21 22. . Furthermore, TID only works when the controller and transmission have the same generation controls. . . . . Inspect all connector terminals for damage. . . . .

. . . . . . . . . . . 43, 51. . . 61 62. SPEED SENSORS. . . WebAllison Transmission MT643 Disassembly + Diagnosis for REBUILD. . . . . . . . . The electronic control of the transmission is performed by a microcomputer. This opens the PS2 and voltage is sensed on wire 118.

. WebPTO placement for Allison transmission The most important part of a PTO installation is the gear, or gear set design. . . . One way to determine whether noise is coming from the PTO or another component in the system is to disconnect the pump or driveline from the PTO (if possible) to see if the noise persists. . . . . . DIAGNOSTIC CODE LIST AND DESCRIPTION . Worn or damaged clutch pack. . . . . . . . . . . . . . Subscribe. . . . SCTI recognizes Allison Transmission, manufacturers, and SCTI part numbers. . . . . 36, 41. . . . . . Replace the TCM with a known, good TCM from a similar vehicle. . . 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. . . . Appendix A deals with the identification of potential circuit problems. .

Some OEMs may provide their own equivalent for the VIM which performs the same functions as the VIM shown in Figure 112. . . . . When the counter for any of the sources indicates five consecutive detections, the software will set a confidence flag to indicate that this is an available throttle source. . . . 855 844-SALE | 855 844-7253. . When a strip pushbutton shift selector is used, diagnostic information must be obtained by using the Allison DOC For PCService Tool, or a customer-supplied remote display. . Always blow or shake any excess cleaner from, the connector before assembling it to its mating connector or hardware. The 3700 SP, 4700 RDS, 4700/ 4800 EVS, 4700/4800 SP, and 4700 OFS have up to seven forward ranges and one reverse. . . . . . OM Display: The selector display is a two-digit number, showing the percentage of fluid life remaining. . . . BEGINNING THE TROUBLESHOOTING PROCESS. . . Additionally, OLS detection must occur within 12.5 seconds on any given engine start. The technician should also have the mechanical aptitude required to connect pressure gauges or transducers to identified pressure ports used in the troubleshooting process. Short Between Wires and to Ground. . . . That range will be shown on the shift selector display. . . . . . . ELECTRONIC FLUID LEVEL CHECK (ALLISON DOC FOR PCSERVICE TOOL) . THROTTLE POSITION SENSOR . . . Once a confidence flag is set for any one of the sources, a counter begins to countdown for 15 additional engine starts. It depends on the transmission and PTO. . . . . . . . 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. . . All Highway Series transmissions are programmed to restrict full operation until specific fluid temperatures are reached. . . . . . . . . . You can specify the Chelsea Electronic Overspeed Control (EOC) with all Chelsea powershift PTOs. COLD CHECK. . . The solenoid regulator valves are controlled by solenoids that control transmission clutch application. . When the power shift PTO is disengaged, the solenoid de-energizes. . . Input power, ground, neutral start circuitry, etc., can cause problems with electronic controls or vehicle functioning and may not generate a DTC. NVL is, attained by turning D solenoid ON (in addition to E solenoid) and the C4 and C5. . . . . Foreign Material . . . . . . . . . . . . . . . . . . . . . . . . . . If the replacement TCM corrects the original complaint, reinstall the original TCM to verify that the complaint returns. . . WebThe service procedures recommended by Allison Transmission and described in this manual are effective methods for performing troubleshooting operations. 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. . . . . . Find a facility My Transmission 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. . . . . . From there, air is released to atmosphere through a valve, and hydraulic fluid exhausts into the PTO. . . .

. troubleshooting . . Loctite is a registered trademark of the Loctite Corporation. . Menu. . . . . . . . . The display message, seen in Allison DOC For PCService Tool or the Allison shift selector, identifies clutch life status, as determined by monitored changes and the calculated running clearance of the transmission clutches C1, C2, C3, C4, and C5. . . . . Allison 4th Generation Control Mudules with Prognostics. . . WIRING HARNESSES. . . . . . . No signal to Transmission Control Module pin 43. Review wiring and make proper connection for PTO series installed PTO load applied prior to turbine shaft achieving lock-up speed.

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