Table of Contents General Information Warnings and Cautions ................. 1 Operation Transmission Driver Interface Device Modes ........3 Gear Display ..................4 Start-Up and Power Down ..............6 Start-Up ..................6 Power Down ................... 7 Reverse Mode ..................8 Neutral Mode ..................9 Drive Mode (Auto Mode) ..............
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Table of Contents Service and Maintenance General Model Information ..............29 Serial Tag and Model Nomenclature ..........29 Model Number ................29 Serial Number ................29 Troubleshooting .................. 30 Diagnostics .................. 30 Transmission Reset Procedure ............ 30 Transmission Air Supply .............. 31 Proper Transmission Lubrication ............
General Information Warnings and Cautions The alert symbol, signal words (DANGER, WARNING and CAUTION) and state- ments throughout this manual indicate the potential severity of a situation. Ensure to read, understand and follow each statement to avoid vehicle damage, component damage, personal injury, severe injury and/or death. DANGER: Indicates an immediate hazard.
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General Information • Before working on a vehicle, parking the vehicle, or leaving the cab with the engine running, select Neutral (N) mode using the transmission driver interface device, confirm a solid “N” in the gear display, set the vehicle parking brake, and chock the wheels. •...
Operation Transmission Driver Interface Device Modes The transmission driver interface device is an OEM component. Refer to OEM for more information on operation, including engine brake operation. Selects Reverse mode (see page 8 for details) Selects Neutral mode, used for (see page 9 for details) Start-Up and Power Down Selects Drive mode...
Operation Gear Display The gear display indicates the current gear position of the transmission. During an Upshift or Downshift the display may momentarily flash the target gear posi- tion. Gear Shift Transition Successful Gear Current Gear Shift Solid Solid May Momentarily Flash A dash “-”...
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Operation Note: Gear display indicators, messages, and tones will vary based on how the transmission system features and functions are configured in the Transmission Control Module (TCM) and how the OEM has implemented them. Refer to OEM for more information on the dashboard display. Low Transmission Air Message: Allow the vehicle air system pressure to reach normal operating range prior to transmission system operation.
Operation Start-Up and Power Down Start-Up 1. Turn ignition key to On with the engine off to allow the transmission system to power-up. Note: Engine cranking is delayed until the transmission system power-up is complete and the gear display shows a solid “N” indicating the transmis- sion is in neutral gear position.
Operation Power Down 1. Safely bring vehicle to a complete stop. 2. Continue to depress and hold the vehicle service brake. 3. Select Neutral (N) mode using the transmission driver interface device. Note: A solid “N” in the gear display indicates the transmission is in neutral gear position.
Operation Reverse Mode • Selects Reverse (R) mode and a reverse gear position. Note: If the vehicle service brake is not depressed prior to selecting Reverse (R) mode using the transmission driver interface device, the request will be denied. If the request was denied, select Neutral (N) mode, depress and hold the vehicle service brake and re-select.
Operation Neutral Mode • Selects Neutral (N) mode and neutral gear position. • Neutral is the initial gear position after Start-Up and the final gear posi- tion before Power Down. WARNING: Apply vehicle parking brake and follow OEM parking instruc- tions.
Operation Drive Mode (Auto Mode) • Selects Drive (D) mode and a forward gear position. Note: If the vehicle service brake is not depressed prior to selecting Drive (D) mode using the transmission driver interface device, the request will be denied.
Operation MANUAL Mode MANUAL mode allows the driver to manually shift gears instead of letting the transmission system select gears automatically. • The driver requests gear shifts using the transmission driver interface device to Upshift or Downshift to the desired gears. Multiple gear Upshifts and Downshifts may be allowed, each Upshift/Downshift request equals one gear change.
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Operation MANUAL / Hold Mode Gear Hold Mode Gear is used to limit the use of MANUAL mode. When Hold Mode Gear is configured in the Transmission Control Module (TCM) to a specific gear, MANUAL mode becomes a hold gear function only. The default configuration for this function in the TCM is Disabled.
Operation LOW Mode LOW mode allows the driver to maximize engine braking and minimize the use of the vehicle service brake when driving down long grades or coming to a stop. • The driver may select LOW mode using the transmission driver inter- face device while the vehicle is moving to prevent the transmission sys- tem from Upshifting, and support Downshifting at the earliest opportunity to enable higher engine RPM to promote maximum engine...
Operation Transmission MANUAL / LOW Mode Override The transmission system may automatically override or prevent the driver's Upshift or Downshift request on the transmission driver interface device or automatically initiate a gear change based on vehicle operating conditions. If the transmission system overrides or prevents a mode request, an audible tone may be emitted.
Operation Snow/Ice Operation This transmission system is designed to work in coordination with the vehicle's traction control system to ensure optimal operation. • If the driver observes low friction road conditions (rain, ice, snow, etc.) and does not want the transmission system to make a gear shift, the driver may select MANUAL (M) mode using the transmission driver interface device.
Operation Trailer Operation Trailer Connecting and Sliding Trailer Axle • Prior to backing the vehicle under the trailer, ensure proper trailer height. • Select the lowest available start gear for Drive (1st) or Reverse (R1) using the Downshift function as needed on the transmission driver interface device.
Operation Features Hill Start Aid • Hill Start Aid (HSA) requests the vehicle foundation brake system to temporarily hold (3 seconds) the vehicle in place when stopped on a grade of 3% or greater to allow the driver to transition from the vehicle service brake pedal to the vehicle accelerator pedal to achieve a con- trolled launch.
Operation Vehicle Facing Uphill – Forward Mode (HSA) 1. The transmission system must be in Drive (D) mode and on an incline greater than the Hill Start Aid Threshold configuration setting (1%, 2% or 3%) in the Transmission Control Module (TCM). 2.
Operation Clutch Abuse Protection • Clutch Abuse Protection alerts the driver that the clutch is overheating due to improper use. When a Clutch Abuse Protection event occurs, a “CA” is indicated in the gear display and/or a clutch temperature mes- sage is shown on the dashboard display and an audible tone may be emitted.
Operation Engine Overspeed Protection • The transmission system will automatically Upshift if necessary to pre- vent engine overspeed in Drive, MANUAL and LOW modes. Shuttle Shifting • Shuttle shifting the transmission system between a forward or reverse mode is allowed if the vehicle speed is approximately 2 MPH or less. Smart Gear Selection •...
Operation Auto Neutral • Auto Neutral automatically shifts the transmission system into a neutral state if the vehicle is left in a forward or reverse mode and the vehicle parking brake is set. When this occurs, an “AN” is indicated in the gear display and an audible tone is emitted.
Operation Coast Mode • Coast Mode prevents the transmission system from downshifting through each lower gear when the driver is bringing the vehicle to a stop. If the transmission system determines the vehicle is coasting and is in a gear below the Coast Down Gear configured in the Transmission Control Module (TCM), the transmission system will automatically shift into a neutral state, allowing the vehicle to roll uninterrupted as the driver brings it to a stop.
Operation Neutral Coast Mode Neutral Coast Mode automatically shifts the transmission system into a neutral state on slight downhill grades when all of the following conditions are met: • Vehicle Cruise Control is on • Transmission is in Drive (D) mode •...
Operation Urge to Move (AutoLaunch) • Urge to Move allows the vehicle to automatically start moving at engine idle speed when the transmission system is in a forward or reverse mode and the driver releases the vehicle service brake. After the vehicle has launched and begun moving, the transmission system will transi- tion into Creep Mode.
Operation Force Hold / Force Neutral Operation Force Neutral and Hold Neutral operation allow the driver the use of a separate vehicle switch circuit to place and hold the transmission system in a neutral state while a vehicle specific vehicle operation is performed. Note: The Force Neutral and Hold Neutral features are configured in the Trans- mission Control Module (TCM) at the OEM or body builder.
Operation Transmission Power Take Off Operation A transmission Power Take Off (PTO) feature is available for Stationary PTO operation in Neutral and Mobile PTO operation in a forward or reverse start gear. For Mobile PTO operation the transmission system automatically selects a start gear based on vehicle operating conditions such as: grade, load, and vehi- cle weight.
Operation Stationary PTO Operation To engage a PTO for stationary operation: 1. Ensure the vehicle is at a complete stop. 2. Select Neutral (N) mode using the transmission driver interface device. 3. Set the vehicle parking brake. 4. Switch the PTO switch to On. Note: PTO is engaged when the PTO indicator lamp is illuminated and/or a display message is indicated.
Operation Transmission Oil Display Message The transmission contains a fluid pressure sensor that monitors the transmis- sion oil lubrication system pressure. If the sensor indicates a low oil condition to the Transmission Control Module (TCM) a transmission low oil message is displayed and an audible tone may be emitted.
Service and Maintenance General Model Information Serial Tag and Model Nomenclature Transmission identification information is stamped on the serial tag located on the lower right side of the clutch housing. When calling for service assistance or parts, have the model and serial numbers handy.
Service and Maintenance Troubleshooting Diagnostics In the event there is a problem with the transmission system, there are three primary tasks the driver should perform: 1. Note the driving condition under which the problem occurred. 2. Note the condition of the transmission under which the problem occurred (i.e.
Service and Maintenance Transmission Air Supply For optimal performance, the transmission requires a nominal air supply oper- ating range between 90 psi (620 kPA) and 130 psi (896 kPA). Air supply outside this range can result in degraded or complete loss of transmission engagement and shift capabilities.
CAUTION: Additives and/or friction modifiers are not approved. Additives of any kind will affect the transmission performance and the warranty coverage. For a list of Eaton approved lubricant suppliers, see Eaton Approved Lubricant Suppliers Lubrication Guide (TCMT0020).
Service and Maintenance Transmission Oil Level Inspection Procedure 1. Park vehicle in a safe area on level ground. 2. Key off. 3. Set vehicle parking brake and chock wheels. WARNING: Apply vehicle parking brake and follow OEM parking instruc- tions. Failure to follow these instructions could cause unintended vehicle movement and may result in major vehicle component damage, property damage, severe injury or death.
(expressed in degrees). Transmission Lubrication Change Intervals Lubricant changes should be based on the intervals shown in TCMT0021 Eaton Lubrication Product Specification Manual. Extending drain intervals beyond those indicated are not recommended and will affect the transmission perfor-...
Service and Maintenance Vehicle Towing When towing the vehicle, do not allow the output shaft of the transmission to rotate. If the vehicle is towed with the drive wheels still in contact with the road surface, the vehicle axle shafts or driveline must be removed or discon- nected prior to towing vehicle.
Service and Maintenance Limited Driveline-Connected Towing In an urgent situation and after specified vehicle and transmission system requirements are met, the vehicle may be towed a limited distance at a limited road speed and with the driveline connected and the drive wheels in contact with the road surface.
Service and Maintenance Dynamometer Test Mode In cases when vehicle dynamometer testing is required, the transmission sys- tem can be put into a dyamometer test mode. Note: Transmission Control Module (TCM) software 5516062 or greater is required to support dynamometer test mode. Use the following procedure to activate Dynamometer Test Mode in the TCM.
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Service and Maintenance 4. When complete, a 12 second audible tone indicates Dynamometer Test Mode is active in the TCM. 5. Perform required vehicle dynamometer testing. 6. When vehicle dynamometer testing is complete, key off to deactivate Dynamometer Test Mode. Note: Gear display indicators, messages, and tones will vary based on how the transmission system features and functions are configured in the Transmission Control Module (TCM) and how the OEM has implemented...
Endurant HD N Overview The Endurant HD-N transmission and clutch system is designed specifically for the Cummins ISX12N Compressed Natural Gas (CNG) engine to match the unique operating characteristics of the CNG engine compared to a diesel engine. Drivers will notice a significant difference in operation and performance with the HD-N and ISX12N combination when compared to the base Endurant HD trans- mission and diesel engine combination.
Endurant HD N Accelerating and Shifting The delayed response of the CNG engine also impacts how the vehicle acceler- ates and shifts through the gears. Drivers will notice that the engine does not build torque as fast as a diesel engine, so accelerating and shifting gears through an intersection from a stop or merging onto an expressway can take a little longer;...
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For spec’ing or service assistance, call 1-800-826-HELP (4357) or visit www.eaton.com/roadranger. In Mexico, call 001-800-826-4357 . Roadranger: Eaton and trusted partners providing the best products and services in the industry, ensuring more time on the road. Eaton Cummins Automated Transmission Technologies P .O.
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