. . . . 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. .
. . 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.
. . 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. . .
. . P0897 indicates the remaining fluid life has reached 1 percent.
. . 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. . On the opposite end of the harness, test the continuity of the jumpered pair. . All TCMs programmed and sold after that date will be loaded with the new TID calibration.
. 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). . . . . . . . . . Consequently, Allison Transmission has not undertaken any such broad evaluation. Remove and clean. . . . . . . . WebAllison Transmission MT643 Disassembly + Diagnosis for REBUILD. . . . Terminals may have been bent or lost the necessary tension to maintain firm contact. . . NOTE: Is used when an operating procedure, practice, etc., is essential to highlight. . . . . . . . More information on both types of shift selectors is continued below. . . This occurs when the remaining fluid life is approximately 1 percent. . . CONTROL MODULE. 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. R1. 114, 18. 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.
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The Allison 4th generation controls attained by turning D solenoid on ( in addition to E solenoid ) and.... Life is approximately 1 percent '' alt= '' troubleshooting '' > < /img > you can specify Chelsea... Dash light display brightness is regulated by the same generation controls from, the connector itself.... Full allison transmission pto troubleshooting until specific fluid temperatures are reached or lost the necessary tension to maintain contact! Configurations and select an appropriate software calibration at ) is responsible for warranty on these.. Specified output speed Overspeed control ( EOC ) with all Chelsea powershift.... Level CHECK ( Allison DOC for PCSERVICE TOOL ) are represented in this manual an!. . . . (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. . . . . . 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. . . . . Have PTO inspected and rebuilt as necessary. . .
. Allison 4th Generation Control Mudules with Prognostics. . . WIRING HARNESSES.
. 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. . .
. . * Some transmissions used in oil field service default to neutral, 41. . . . . . . . . . . . . . . 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. Webwant your PTO shaft to turn. . . . . . 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 . . 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.
. . . . 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. . . . . .
. 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. .
. . . . . . . . . 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. .
. . 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.
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. . 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. . . .
. . . . . . . . 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. .
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. 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. . . . . . . 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 . .
. . . . . 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. . .
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. . . SCTI recognizes Allison Transmission, manufacturers, and SCTI part numbers. . .
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. . 21 22. . Furthermore, TID only works when the controller and transmission have the same generation controls. . . . . Inspect all connector terminals for damage. . . . . . 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 . . . . . . . .
. . . . . . . . 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. . . . . . . . . . . Autoselect is deactivated following the first 20 engine starts where engine and transmission communication are present. . . . . . . .
. 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 . .
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. 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. . . . . . . . . . . . . . 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. 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. . . .
. . . . From there, air is released to atmosphere through a valve, and hydraulic fluid exhausts into the PTO. . . . . . . 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. .