M11 Plus Series Engines Operation and Maintenance Manual – 101-007   Electronic Controlled Fuel System

The CELECT™ Plus system is an electronically controlled fuel injection system that optimizes fuel economy and reduces exhaust emissions. It does this by controlling the torque and horsepower curve, air fuel control (AFC) function, engine high speed, low idle and road speed.

CELECT™ Plus has the capability of controlling the fan clutch actuator if an electronically controlled fan clutch is used.

CELECT™ Plus also allows the engine brakes to be activated by controlling the engine brake solenoids.

The CELECT™ Plus system can show and record operation irregularities that present themselves as fault codes. These codes will make troubleshooting easier. The fault codes are recorded in the ECM. They can be read using the two fault lamps in the cab panel or with Compulink™, Part Number 3823549, Echek™, Part Number 3823474, or INSITE™ electronic service tool, Part Number 3824638.

NOTE: Not all engine or CELECT™ Plus irregularities are shown as fault codes.

There are two types of fault codes:

• Engine electronic fuel system codes
• Engine protection system codes.

The engine electronic fuel system fault codes can be seen on the warning and stop lamps in the cab panel.

Inactive fault codes can not be blinked out on the two lights in the cab panel. A Compulink™, Echek™, or INSITE™ electronic service tool must be used to read inactive faults in the ECM.

Refer to a Cummins Authorized Repair Location.

The STOP fault lamp will be red. The WARNING lamp will be yellow or red, depending on the OEM’s preference. When the vehicle keyswitch is turned on and the diagnostic switch is off, all three lamps will illuminate to check their operation. The lamps will go off in sequence after about 2 seconds.

The lamps will remain off until a fault code is recorded. If a light remains on, an active fault exists.

If the STOP light (red) is illuminated while driving, the fault can be engine-disabling. The vehicle must be driven to the side of the road and shut off as soon as it can be done in a safe manner. The vehicle must remain parked as long as this fault exists. If the WARNING light (yellow or red) is illuminated, the vehicle can be safely driven, but the fault must be corrected as soon as possible.

NOTE: Some of the CELECT™ Plus features can be lost due to the abnormal engine conditions that caused the fault resulting in a power loss.

The engine protection system logs separate fault codes for out-of-range conditions associated with any of the following sensors:

• Coolant temperature
• Coolant level
• Oil temperature
• Oil pressure
• Intake manifold temperature.

This system will activate an in-cab warning device when an out-of-range condition occurs. The warning device is a light, a buzzer, or both. This system will also activate the yellow fluid lamp, if equipped.

If the engine protection system light or buzzer comes on while driving, it means a fault code has been recorded. The lamp will remain on as long as the fault exists, and engine power and speed will gradually be reduced. If the out-of-range conditions continue, the lamp will start to flash or blink. If the engine protection shutdown feature is enabled, the engine will be shut down to help prevent engine damage.

The fault must be corrected as soon as possible.

Turn off the vehicle. To check for engine electronic fuel system and engine protection system fault codes, move the diagnostic switch to the ON position or connect the shorting plug into the diagnostic connector.

Turn the vehicle keyswitch to the ON position.

If no active fault codes are recorded, both lamps will come on and stay on.

If active fault codes are recorded, both lamps will come on momentarily, then begin to flash the code of the recorded faults.

The fault code will flash in the following sequence:

First, a WARNING (yellow) lamp will flash. Then there will be a short 1- or 2-second pause, after which the number of the recorded fault code will flash in STOP (red). There will be a 1- or 2- second pause between each number. When the number has finished flashing in red, a yellow lamp will appear again. The three digit code will repeat in the same sequence.

The lamps will continue to flash the same code until the system is told to do something else. To go to the next fault code, move the IDLE SPEED ADJUST switch momentarily to the (+) position. You can go back to the previous fault code by momentarily moving the IDLE SPEED ADJUST switch to the (-) position. If only one active fault is recorded, the CELECT™ Plus system will continuously display the same fault code when either (+) or (-) switch is depressed.

Refer to a Cummins Authorized Repair Location for an explanation and correction of the fault codes.

When not using the diagnostic system, turn off the diagnostic switch, or remove the shorting plug. If the diagnostic switch is left on or the shorting plug in, the ECM will not log some faults. The maintenance monitor will not function correctly.

To stop the diagnostic system, move the diagnostic switch to the OFF position. Turn off the vehicle keyswitch.

The CELECT™ Plus engines are equipped with an engine protection system. The system monitors critical engine temperatures and pressures, and will log diagnostic faults when an abnormal operating condition occurs. If an out-of-range condition exists and engine derate action is to be initiated, the operator will be alerted by an in-cab warning lamp. The warning lamp will blink or flash when out-of-range conditions continue to get worse. The driver must pull to the side of the road, when it is safe to do so, to reduce the possibility of engine damage.

Engine power and speed will be gradually reduced, depending on the level of severity of the observed condition. The engine protection system will not shut down the engine unless the engine protection shutdown feature has been selected. If the feature has been selected and the engine does shut down, the engine can be restarted by turning off the key switch then turning it back on.

The CELECT™ Plus system provides additional electronic features that enhance engine and vehicle performance and control. These are programmable features in the electronic control module (ECM). To alter these features or settings, refer to a Cummins Authorized Repair Location.

Three features describing vehicle duty cycles are available for maximum vehicle performance and fuel economy.

The Automatic transmission – Yes/No feature must be set to YES for any application that uses a torque converter-type automatic transmission. Automated manual transmissions that are electronically controlled or any other manual transmission requires NO to be selected.

The original factory programmed value is NO.

The On-highway feature is defined as an application in which top gear is achieved quickly and used extensively. Limited urban driving and minimal use of lower gears is considered normal for on-highway applications.

The original factory programmed value for On/Highway is YES.

The On/off-highway feature is defined as driving in lower gears (any gear other than top gear) for extended periods of time. Logging operations or driving in large urban areas for extended periods of time (over 15 minutes) while not in top gear are examples of an on/off-highway application.

WARNING  Do not use cruise control when the road is slippery, in heavy traffic, or when the weather is inclement. Loss of vehicle control can result.

The Cruise Control feature gives the driver the capability of a foot-off throttle cruise operation. It is similar to an automotive cruise control.

The original factory programmed value is YES.

To activate the cruise control, move the cruise control on/off switch to the ON position.

NOTE: The cruise control will not function below a preset speed (39 mph in most applications).

Use the throttle pedal (1) to accelerate the vehicle until the cruising speed (2) is correct. Move the cruise control select switch to the SET position (3) then release it. Release the throttle pedal (4). The cruise control governor will maintain the vehicle speed within the power output capability of the engine.

NOTE: Some OEMs will have switches labeled SET/ACCEL and RESUME/COAST.

After the cruise control has been set, the speed can be raised or lowered to any point between the minimum and maximum speeds. To increase the speed, briefly move the switch to the ACCEL position one time. This will accelerate the vehicle 1 mph. Continue to toggle the switch until the desired cruise speed is reached. To decrease the speed, briefly move the switch to the COAST position one time. This will decrease the vehicle speed 1 mph. Continue to toggle the switch until the desired cruise speed is reached.

For example, to adjust the speed up 2 mph, move the cruise control select switch briefly to the ACCEL position twice. To adjust the speed down 2 mph, move the select switch briefly to the COAST position twice.

To deactivate the cruise control, do any of the following:

• Depress the brake pedal or actuate the trailer brakes
• Depress the clutch pedal
• Move the cruise control on/off switch to OFF.

The cruise control will deactivate automatically if the speed drops below a preset value. Moving the engine brake on/off switch to the ON position will not deactivate the cruise control. The brake switch can be in the ON position when using cruise control. The engine brake will not activate until the service brake is depressed.

Move the cruise control select switch to RESUME to reactivate the cruise control to the previously set speed.

If the vehicle key switch or the cruise control on/off switch has been turned off, the cruise speed must be reset.

The throttle pedal can be used to accelerate above the set point of the cruise control if the maximum road speed is set higher than the maximum cruise speed. The cruise control will return to the set speed when the throttle is released.

The cruise control governor upper droop allows tailoring of the vehicle speed decrease before full torque is reached while operating in cruise control. Increasing the droop can increase fuel economy in hilly terrain.

NOTE: The setting can be between 0 and 3 mph.

The original factory programmed value setting is 0.

The cruise control governor lower droop allows tailoring of the vehicle speed increase in a downhill or no-load condition while operating in cruise control before fueling is completely cut off. Faster downhill speed increases momentum going up the next hill and can improve fuel economy. The setting can be between 0 to 3 mph.

The original factory programmed value setting is 2 mph.

The maximum vehicle speed in top gear is the maximum road speed for this vehicle. This speed must be greater than or equal to the gear down maximum vehicle speeds if gear down protection is enabled.

The maximum vehicle speed ranges from 30 to 99 mph.

The original factory programmed value 62 mph.

The road speed governor upper droop allows tailoring of the vehicle speed decrease before full available torque is reached while operating on the road speed governor. Increasing the droop can increase fuel economy in hilly terrain.

The road speed governor upper droop has a range of 0 to 3 mph.

The original factory programmed value setting is 0.

The road speed governor lower droop allows tailoring of the vehicle speed increase in a downhill or no-load condition while operating on the road speed governor before fueling is completely cut off. Faster downhill speed increases momentum going up the next hill and can improve fuel economy in rolling terrain.

The road speed governor lower droop has a range of 0 to 3 mph.

The original factory programmed value setting is 2 mph.

The maximum cruise control speed is the maximum speed to which the cruise control can be set. The maximum cruise control speed has a range from 30 mph to 99 mph.

The original factory programmed value is 62 mph.

NOTE: The maximum cruise control speed can exceed the maximum vehicle speed in the top gear setting.

The cruise control auto-resume is a customer convenience feature that will allow the operator to resume to the cruise set speed without pushing the cruise RESUME switch on the dash only after a clutch event.

The cruise control set speed will not automatically resume if a clutch event is not accompanied by a gear shift.

The original factory programmed value setting is NO.

NOTE: Some OEMs will have switches labeled SET/ACCEL and RESUME/COAST.

The set/accel parameter tells the ECM how the cab switch is configured. If it is set to YES, then the cab switch will be SET/ACCEL in the up position and RESUME/COAST in the down position. If it is set to NO, then SET/COAST will be in the up position while RESUME/ACCEL will be in the down position.

The original factory programmed value is NO.

The automatic engine brakes in cruise control is a feature that allows the engine brakes to operate while in cruise control. Each brake set can be programmed to come on at different vehicle speeds above the set cruise speed, or all brake sets can be programmed to come on at the same speed.

The original factory programmed value is NO.

The engine brake level 1 (vehicle speed above cruise set point) is the vehicle speed above the cruise control set speed for which the first engine brake set will engage.

The engine brake level 1 vehicle speed above cruise set point has a range of 1 to 20 mph.

Brake level 1 must be set to engage before or at the same speed as brake level 2.

NOTE: This value must be greater than cruise control governor lower droop.

The original factory programmed value is 4 mph.

The engine brake level 2 (vehicle speed above cruise set point) is the vehicle speed above the cruise control set speed for which the second engine brake set will engage. Brake level 2 must be set to engage before or at the same speed as brake level 3.

Brake level 2 vehicle speed above cruise set point has a range of 1 to 20 mph. This value must be equal to or greater than engine brake level 1.

The original factory programmed value is 6 mph.

The minimum vehicle speed for brake engagement is between 2 to 102 mph.

The original factory programmed value is 25 mph.

The engine brake/mph interaction will allow the customer to set a mph speed limit below which engine brakes can not be activated. When the brakes are activated above the brake mph limit they will be allowed to drop below the mph limit as long as the brakes are running continuously. Then the brakes will follow normal operation to deactivate.

The original factory programmed value is NO.

The PTO feature controls the engine at a constant rpm selected by the operator. For applications needing the PTO mode, a remote mounted switch can be used where a cab switch is not desirable. The PTO engine speed is set with the cruise control switches.

The set PTO speed can range from low idle to 2500 rpm.

The original factory programmed value for PTO set speed is 850 rpm.

CAUTION  Operating the engine beyond high idle speed can cause severe engine damage. The engine speed must not exceed 2500 rpm under any circumstances.

The low engine speed limit of the PTO system is adjustable (with an electronic service tool) to any value between low idle speed and 2500 rpm. The minimum PTO speed is set to equal low idle speed. There are two preset values, along with a maximum PTO speed which will be programmed into the ECM.

The two preset values can be set to any rpm between low idle and 2500 rpm PTO speed with an electronic service tool by a Cummins Authorized Repair Location.

The original factory programmed value is a minimum of 600 rpm to a maximum of 900 rpm.

To use the PTO, start the engine and set the speed at idle. The vehicle must be stopped for the PTO system to work. The vehicle can move up to 6 mph for certain Cummins-approved applications.

To engage the PTO governor, move the cruise control on/off switch to ON position.

To set the engine speed to the first preset PTO speed, move the cruise control selector switch to the SET position. To set the engine speed to the second preset PTO speed, move the cruise control selector switch to the RESUME position. Once one of these two preset speeds has been selected, the cruise control on/off switch must be turned off and back on again before the other preset speed can be selected.

NOTE: Some OEM’s will have switches labeled SET/ACCEL and RESUME/COAST.

After the engine speed has been set, the speed can be raised or lowered to any point between the minimum and maximum speeds. To increase the engine speed, hold the selector switch to the ACCEL position until the engine speed is correct, then release it. To decrease the engine speed, hold the selector switch to the COAST position until the speed is correct, then release it.

The original factory programmed value for SET/ACCEL and RESUME/COAST is NO.

To deactivate the PTO system, do any of the following:

• Activate the trailer brakes
• Move the cruise control on/off switch to OFF position.

In addition to the above features, the following features (if activated) may be used to deactivate the PTO system also:

• Depress the brake pedal
• Depress the clutch pedal
• Depress the throttle.

The engine speed will be limited to the programmed maximum PTO speed when the PTO is deactivated by all of the above methods except moving the on/off switch to the OFF position.

Move the selector switch to the RESUME position to return to the preset RESUME speed. If the vehicle key switch or cruise control on/off switch has been turned off, the PTO speed must be reset.

The clutch/brake PTO disable is a feature which allows the customer to exit PTO operation if the clutch or brake is activated. If this feature is turned off, the clutch or brake activation will not disable the PTO. This will only disable the cab PTO. The remote PTO will not be affected.

The original factory programmed value is YES.

The throttle disable in PTO feature allows the customer to exit PTO operation if the throttle is activated. If this feature is turned off, the throttle activation will not disable the PTO.

The original factory programmed value is NO.

If the remote PTO feature is available, a separate remote switch is used. Remote PTO only controls the PTO rpm which is adjustable with the use of an electronic service tool. The remote PTO is deactivated only by turning the remote switch off or exceeding the maximum mph for the PTO. The remote PTO is not affect by the brake, throttle, or clutch.

The original factory programmed value for PTO/Remote PTO is YES.

The pedal activated engine braking feature tells the ECM that the brake pedal must be tapped before the engine brakes will be activated. The brake pedal must be tapped after all the other engine brake criteria have been met.

The original factory programmed value is NO.

The fan on during engine braking feature automatically turns the fan on after some delay and after all engine brakes have engaged. Turning the fan on will provide additional braking power during extended braking periods.

The original factory programmed value is NO.

The following three features apply to ECM fan control logic.

The air conditioner pressure switch Input feature disables the circuit for the air conditioning refrigerant pressure switch input to the ECM. In other words, the ECM will always show that this circuit is closed and will not turn the fan on due to external input to the circuit. This feature must be selected YES if the vehicle is not equipped with air conditioning.

The original factory programmable value is YES.

The fan clutch 2 enable feature is for applications that have two cooling fans which are desired to be controlled separately. This feature will engage fan driver 1 for engine coolant temperature and air conditioning refrigerant pressure. Fan driver 2 will engage from the intake manifold temperature.

The original factory programmable value is NO.

The fan accessory switch Input feature will disable the circuit for manual fan switch input to the ECM. The ECM will always show that this circuit is closed and will never turn the fan on due to external input to the circuit. This feature must be selected YES if the vehicle is not equipped with a manual fan switch.

The original factory programmed value is NO.

The gear down protection feature limits the vehicle speed in the lower gears. The maximum vehicle speed in the lower gears can be set at a lower mph than the maximum vehicle speed in top gear. This encourages driving in the top gear for better fuel economy. The gear down maximum vehicle speed parameters for light engine load and heavy engine load are associated with this feature.

The original factory programmable value setting is YES.

The top transmission gear ratio is a parameter needed in order for gear down protection to work properly with a double overdrive transmission. This parameter will also be used by the Trip Information System to record the percentage of travel in top gear.

The original factory programmed value is 0.74.

One gear down gear ratio is a parameter used to tell the ECM the first gear down gear ratio of the transmission.

The original factory programmable value setting is 1.0.

The two (2) gear down gear ratio is a parameter used to tell the ECM the second gear down gear ratio of the transmission.

The three (3) gear down gear ratio is a parameter used to tell the ECM the third gear down gear ratio of the transmission.

The gear down maximum vehicle speed, light engine load (3), is the maximum vehicle speed for operating one gear below top gear during a light engine load operation. This value can not exceed the gear down maximum vehicle speed for a heavy engine load.

The original factory programmed value is 55 mph.

The gear down maximum vehicle speed, heavy engine load (2), is the maximum vehicle speed for operating in one gear below top gear during a heavy engine load operation. This value can not exceed maximum vehicle speed in top gear.

The original factory programmed value is 60 mph.

The progressive shifting feature limits the engine speed in the lower gears while accelerating up through the gears. This promotes fuel economy. Although the progressive shift is limiting the acceleration in the upper gears, the effects are slight compared to the effects in the lower gears.

The original factory programmable value is NO.

NOTE: This parameter can not exceed maximum progressive shift.

The maximum progressive shift RPM at 0 MPH is a parameter that defines the start point of the progressive shift line. The engine acceleration rate is decreased when the engine rpm reaches this point.

The original factory programmable value is 1600 rpm.

The maximum progressive shift RPM is a parameter that helps define the slope for the progressive shift line as shown in the diagram.

The original factory programmed value is 1800 rpm.

The miles per hour at maximum progressive shift rpm is a parameter that defines the end point of the progressive shift line. Although engine acceleration is controlled above this speed, the effects are minimal in the upper gears.

The original factory programmed value is 20 mph.

The automotive/variable speed (VS) governor feature gives the owner a choice of engine speed governors.

The automotive governor provides constant fueling for a given throttle position (engine speed varies with load).

The VS governor maintains a constant engine speed for a given throttle position under varying load conditions.

This is a programmable feature in the ECM. To alter this feature or setting, refer to a Cummins Authorized Repair Location.

The original factory programmed setting is automotive governor.

NOTE: Using this feature can reduce fuel economy.

The enable low idle speed adjustment feature allows the low idle speed to be adjusted by a toggle switch in the cab. This is an operator convenience that permits elevated engine speed during idle operations.

The original factory programmed value is YES.

The low idle adjustment feature allows the idle speed to be increased or decreased in 25 rpm increments from 600 to 800 rpm.

The original factory programmed value is 700 rpm.

NOTE: This feature will shut off the engine only. It will not remove power from other accessories powered by the key switch.

The idle time before shutdown feature automatically shuts off an engine after a period of idling when there is no activity from the driver such as clutch, brake, or throttle actuation. The time interval is between 3 to 60 minutes. After an engine has been automatically shut off, the key must be turned off for 5 seconds before attempting a restart.

The idle shutdown system is a programmable feature in the ECM. To alter this feature or setting, refer to a Cummins Authorized Repair Location.

The original factory programmed value is 60 minutes.

The enable idle shutdown in PTO feature automatically shuts off the engine after a period of PTO operation when there is no activity from the driver such as clutch, brake, or throttle actuation.

This is a programmable feature in the ECM. To alter this feature or setting, refer to a Cummins Authorized Repair Location.

The original factory programmed value is NO.

The idle shutdown ambient air temperature override feature determines when the idle shutdown feature can be overridden. It uses input from the ambient air temperature sensor and three customer-programmed air temperature values. The programmable ambient air temperature values are:

• Cold temperature setting
• Medium temperature setting
• Hot temperature setting.

The idle shutdown feature will automatically be overridden at ambient air temperatures below the cold temperature setting. If idle shutdown override is enabled, the driver will be able to override idle shutdown at an ambient temperature between the cold and medium temperature settings and above the hot temperature setting. Between medium and hot temperature settings, the driver can not override idle shutdown.

The original factory programmed value is NO.

The VSS Anti-tampering feature is designed to detect attempts made to tamper with the signal from the vehicle speed sensor (VSS). When the ECM detects tampering of the VSS signal, the yellow warning lamp will illuminate, fault code 242 will be logged, and the engine will be limited to maximum engine speed without VSS.

The original factory programmed value is YES.

The maximum engine speed without VSS sets the maximum engine speed allowed when no vehicle speed is detected. The maximum speed can be set between 1400 to 2500 rpm.

NOTE: PTO can operate above this speed at light engine loads if a value greater than 0 is entered for percent fuel threshold for light load PTO. Maximum engine speed without VSS will not limit the engine speed when operating in PTO if the percent fuel is less than the value entered for percent fuel threshold for light load PTO.

The original factory programmed value is 2500 rpm.

The vehicle accessory shutdown feature allows the OEM/customer to wire the vehicle accessories’ power to a relay connected to the ECM. Once the vehicle is shutdown due to the idle shutdown feature, the ECM driver will command the vehicle accessories to shut off. This feature will keep the batteries from discharging due to vehicle accessories still on after the engine is shut off due to the idle shutdown.

The following three features apply to ECM fan control logic.

The disable air conditioner pressure switch feature disables the circuit for the air conditioning refrigerant pressure switch input to the ECM. The ECM will always show that this circuit is closed and will never turn on the fan due to external input to the circuit. This feature must be selected YES if the vehicle is not equipped with air conditioning.

The original factory programmed value is NO.

The disable fan accessory switch input feature will disable the circuit for manual fan switch input to the ECM. The ECM will always show that this circuit is closed and will never turn on the fan due to external input to the circuit. This feature must be selected YES if the vehicle is not equipped with a manual fan switch.

The original factory programmed value is NO.

The minimum fan on time for the air conditioner pressure switch is the minimum amount of time (in seconds) that the ECM controlled cooling fan will stay engaged due to the air conditioning refrigerant pressure switch. This provides protection against rapid cooling fan cycling. The range for this feature is 0 to 999 seconds.

The original factory programmed value is 180 seconds.

The air conditioner fan/mph interaction feature tailors the operation of minimum fan-on-time for the air conditioner pressure switch feature. The feature prolongs the life of the fan clutch and belt by reducing the fan cycle.

If vehicle speed is less than 6 mph and the fan has been engaged by the AC, the fan stays on until the ignition is turned off or the vehicle moves faster than 6 mph.

When the fan is running and the vehicle travels between 6 and 30 mph, the fan will remain on. The fan stays on until the minimum fan-on-time expires or the fan is not needed, whichever is longer. When the fan is running and the vehicle travels faster than 30 mph, the fan will continue to run for only as long as it is required.

The original factory programmed value is NO.

NOTE: Engine brakes, if equipped, will not activate until the engine oil temperature has reached 33°C [92°F].

The engine warm-up protection feature helps prevent internal engine damage by limiting engine speed to idle at start-up until adequate oil pressure is attained at the oil rifle.

This is not a customer adjustable feature.

The engine protection shutdown feature automatically shuts off the engine when the temperature, pressure, and coolant level sensors indicate the engine is operating over or under normal operating conditions.

The engine protection lamp in the cab will flash for 30 seconds prior to shutdown to alert the driver.

The original factory programmed value is NO.

When the accelerator interlock feature is active and the external accelerator inhibit switch is active, the accelerator action will be disregarded with respect to fueling. The engine will either run on low idle speed or at the remote PTO speed.

The original factory programmed value is NO.

The vehicle speed sensor feature tells the ECM whether or not the vehicle is equipped with a vehicle speed sensor.

The original factory programmed value is YES.

The multilevel security feature provides the capability for multiple levels to secure functions in the programmable memory of the ECM. This capability will:

• Reduce the risk of unauthorized program memory changes that can compromise the performance and reliability of the engine.
• Reduce the risk of unauthorized clearing of information in the ECM. Thus, insuring integrity of customer data residing in the ECM.

The original factory programmed value is NO password.

The fault lamp sequencing feature is used to determine if the diagnostic dashboard lamps have been installed and wired correctly. After key-on, all dashboard diagnostic lamps will turn on at once and then turn off in sequence.

The process will occur as follows:

1. After key-on, all dashboard diagnostic lamps will turn on for 2 seconds. At the end of the 2 seconds period, the yellow warning lamp will turn off.
2. After an additional 1/2 second, the red stop lamp will turn off.
3. Finally, after an additional 1/2 second, the engine protection fluids lamp will turn off.

The top 2 transmission feature controls the transmission while in the two highest gears. Based on numerous engine and vehicle conditions, the ECM determines when and to which gear the transmission will shift while in the two highest gears. This feature will improve vehicle operation and fuel economy. This feature performs automated shifts into the top gear or first gear down, as well as assisted shifts from second gear down to first gear down. An assisted shift is an automated shift that requires a clutch event and/or shift lever movement.

This feature is set in the calibration and is not customer adjustable.

NOTE: This feature is not available separately from the Top 2 Transmission feature.

A top 2 cruise control On/Off switch option is available to control the top 2 transmission feature.

The ECM determines when and to which gear the transmission will shift while in the two highest gears. When this feature is activated and the cruise control on/off switch is in the ON position, both the cruise control and the Top 2 Transmission features are activated. Like wise, when you turn off the cruise control on/off switch, both the cruise control and the Top 2 Transmission are deactivated.

The original factory programmed value is NO.

The vehicle antitheft feature prevents the engine from starting until a password is entered into the ECM using the RoadRelay™

Once deactivated, the engine can be started.

There are two modes of operation:

• Semiautomatic
• Manual.

The original factory programmed value is NO.

The semiautomatic mode contains the following:

No password is required to activate the antitheft feature.

The RoadRelay™ will prompt the user to turn the key switch to the ON position, then to the OFF position. This activates the feature.

A password is required to deactivate this feature.

The manual mode contains the following:

The user must activate the antitheft feature after the key switch has been turned to the OFF position by entering a password.

A password is required to deactivate this feature.

Do not forget your password. When protected by the antitheft feature, the engine will not start without entering the password. Do not write your password where it can be found by a thief. But keep it someplace safe where you can find it.

In temperatures above 60°C [140°F] or below -20°C [-4°F], the RoadRelay™ display may not be visible. The antitheft feature will still operate. Enter the password as usual after the keyswitch has been turned on and the RoadRelay™ has been powered up.

If the engine is cranked while the antitheft feature is activated (engine locked), the red stop lamp will flash to warn the user and Fault Code 269 will be logged.

When a valid password has been entered, the engine can be started and the red stop lamp will not flash.

The antitheft feature can not be activated unless the engine speed is zero and the vehicle speed is less than a calibrated threshold.

The driver reward system feature is designed to measure overall fuel economy. The driver is encouraged to minimize engine idle time and maximize fuel economy.

The driver is rewarded with a higher limit on the road speed governor (RSG), cruise control governor (CCG), or both.

The original factory programmed value is NO.

NOTE: These threshold standards are customer adjustable.

On units that are controlled by Electronic Smart Power (ESP), the driver can be rewarded with an earlier transition to a higher torque output during load transition. The reward is provided once a threshold standard is achieved.

Reward is given according to customer adjustable threshold standards based on:

• Trip fuel economy
• Trip idle time.

There are three threshold standards for trip percent idle time and trip percent fuel economy. They are:

• Best
• Good
• Expected.

The expected standard is the easiest goal to attain. The best standard is the most difficult goal to attain.

These threshold standards can be adjusted for:

• Seasonal driving (winter or summer)
• Match to trip route
• Match to load.

At regular intervals the driver reward program monitors the driver’s:

• Trip fuel economy
• Trip percent idle time.

At these regular intervals, the driver reward program compares current values with the threshold standards:

• Trip fuel economy
• Trip percent idle time.

For vehicles equipped with electronic smart power (ESP), an earlier electronic smart power transition to a higher torque rating can be achieved.

All three rewards can be given:

• Road speed governor speed
• Cruise control governor speed
• Electronic smart power transition.

NOTE: Maximum cruise control governor road speed can exceed maximum road speed governor road speed.

NOTE: These data links are available on all CELECT™ Plus engines.

The J1922/J1939 feature provides the capability for on-board vehicle control devices, such as anti slip reduction or electronically controlled transmissions to take control of the engine or engine subassemblies by way of SAE J1922/J1939 data link interface.

CAUTION  The maintenance monitor is designed to alert the operator of the need for a routine maintenance stop. Maintenance records must still be maintained for historical purposes.

CAUTION  The maintenance monitor uses data received from the vehicle speed sensor (VSS) to determine distance and data from the ECM to determine the amount of fuel burned. Whenever a VSS, injector circuit, or battery voltage fault has occurred, the maintenance monitor data can be inaccurate.

The maintenance monitor is an optional feature that will alert the operator when it is time to change oil and perform any other simultaneous maintenance tasks. The maintenance monitor continuously monitors the distance the vehicle has traveled, the time the engine has been operating, and the amount of fuel burned to determine when it is time to change oil.

The operator must still be alert for any indications that the engine needs other service.

The maintenance monitor has three modes of operation:

• Automatic mode
• Distance mode
• Time mode.

The automatic mode alerts the operator when it is time to change oil based on Cummins’ recommended interval. It determines the maintenance interval based on distance traveled, engine operating time, and fuel burned.

When the automatic mode is selected, the severe oil drain interval duty cycle is the default.

The original factory programmed value is AUTOMATIC.

The maintenance monitor automatic mode is easily adjusted to accommodate severe-, normal-, or light-duty applications and Valvoline® Premium Blue 2000™ engine oil. This is done by using a Compulink™ or Echek™ service tool to enter an interval factor that corresponds to the appropriate duty cycle and type of product used.

CAUTION  Cummins Inc. does not recommend exceeding the published interval factors for your application and is not responsible for damage sustained due to over-extended drain intervals.

When selecting the correct interval factor for your application, refer to Procedure 102-002 (Maintenance Schedule) in Section 2, Oil Drain Interval, to determine which oil drain interval duty cycle fits your application: Severe duty, normal duty, or light duty. Once the duty cycle is chosen, use an interval factor of 1.00 for severe duty, 1.50 for normal duty, and 2.00 for light duty.

NOTE: These interval factors must be adjusted accordingly if Valvolive® Premium Blue 2000™ oil is used to extend the oil drain interval. Reference the Valvolive® Premium Blue 2000™ product literature to determine how much your drain interval can be extended.

CAUTION  Cummins Inc. does not recommend exceeding these published intervals and is not responsible for damage sustained due to overextended drain intervals.

The distance mode allows the customer to enter a desired distance interval. The maintenance monitor will then monitor the distance the engine has traveled and alert the operator when the interval has been consumed.

NOTE: This mode of the maintenance monitor requires the use of a VSS. This mode must not be selected for applications that do not have this sensor.

CAUTION  Cummins Inc. does not recommend exceeding these published intervals and is not responsible for damage sustained due to overextended drain intervals.

The time mode allows the customer to enter a desired time interval. The maintenance monitor will then monitor the time the engine has been operating and alert the operator when the interval has been consumed.

NOTE: The diagnostic switch must be in the OFF position for the flashing sequence to occur.

Alerting the operator: The maintenance monitor will alert the operator of the need to change oil by flashing the engine protection lamp (fluids lamp) for approximately 12 seconds after key-on. The flashing sequence will be three quick flashes, followed by a pause. This flash sequence will go through five cycles in the 12-second period. This sequence will occur at every key-on until the maintenance monitor has been reset.

As soon as the throttle pedal is released (step 8), the engine protection lamp will flash three quick flashes. This means that the reset command has been received and the maintenance monitor will reset its distance (miles or kilometers), time (hours), and fuel (gallons or liters) to zero the next time the keyswitch is turned off (step 10).

NOTE: If the engine protection lamp does not flash after the throttle pedal is released on step 8 above, the reset sequence must be performed again.

When viewing maintenance monitor data with the use of a Compulink™, Echek™, or INSITE™ electronic service tool, the following maintenance data can be viewed or printed from the ECM:

• Percent of present interval consumed (by either distance, time, or fuel burned)
• Distance since last reset
• Time since last reset
• Reset log (distance and time at the last three resets).

The interval factor is only used in the maintenance monitor Auto mode to adjust the following applications:

• Severe duty
• Normal duty
• Light duty
• Extended interval when using Valvoline® Premium Blue® 2000
• Other products that extend maintenance intervals.

The interval factor can be adjusted between 0 and 5.0.

The original factory programmed value is 1.

The maintenance monitor interval alert percentage allows the user to enter the percentage of the present interval at which the light should come on indicating the need for an oil change. The parameter allows the user to obtain an early warning of the need for a maintenance stop.

For example, if the distance mode is set to 24,194 km [15,000 mi] and the interval alert percentage is set to 90 percent, the lamp will illuminate at 21,774 km [13,500 mi] which is 90 percent of 24,174 km [15,000 miles]

The interval alert percentage can be set between 0 and 100 percent.

The original factory programmed value is 100 percent.

The trip information system constantly monitors and records various engine and operating data necessary to track both engine and driver performance. The data can be viewed using a Cummins Electronic Service Tool. If any faults occur that can corrupt the trip data, the system will caution the user when the data is viewed.

The fuel data of the trip information system is a calculated value based on the fuel commanded by the ECM and is not a measurement of actual fuel used. For this reason, fuel usage must be collected by other means if precise data is required. The data collected is listed below.

Cumulative data (not resettable).

Total fuel used – fuel consumed as recorded by this ECM.

Total ECM time – engine run time recorded by this ECM.

Total engine time – Cumulative engine run time for all ECM’s operated on this engine (prior ECM times must be entered by user).

Total ECM distance – distance vehicle has traveled as recorded by this ECM.

Total engine distance – cumulative distance vehicle has traveled for all ECM’s operated on this engine (prior distances must be entered by user).

NOTE: These data registers in the ECM are not resettable.

NOTE: Trip data can be reset only with Cummins electronic service tools. Contact a Cummins Authorized Repair Location for the appropriate electronic service manual.

Trip Data (resettable)

Trip fuel used – fuel consumed since last reset.

Trip distance – distance traveled since last reset.

Trip time – engine run time since last reset (rpm greater than 0).

Trip average fuel rate – average fuel rate since last reset.

Trip mpg- mpg calculated since last reset.

Drive data (resettable)

Drive mpg – miles per gallon calculated only for when vehicle was moving since last reset.

Drive fuel used – fuel burned while vehicle was moving since last reset.

NOTE: Drive data can be reset only with Cummins electronic service tools. Contact a Cummins Authorized Repair Location for the appropriate electronic service manual.

Idle data (resettable)

Idle fuel used – fuel burned since last reset while engine was at idle and vehicle speed was zero.

Idle time – time since last reset in which engine was at idle and vehicle speed was zero.

Percent usage – percentage of time since last reset that engine was at idle and vehicle speed was zero.

NOTE: Idle data can be reset only with Cummins electronic service tools. Contact a Cummins Authorized Repair Location for the appropriate electronic service manual.

PTO data (resettable)

PTO fuel used – fuel burned in PTO since last reset.

PTO time – time spent in PTO since last reset.

Percent usage – percentage of time since last reset spent in PTO.

NOTE: PTO data can be reset only with Cummins electronic service tools. Contact a Cummins Authorized Repair Location for the appropriate electronic service manual.

Brake utilization data (resettable)

Number of sudden decelerations – number of occurrences since last reset in which the vehicle has decelerated rapidly.

Service brake actuations per 1000 miles – number of service brake actuations per 1000 miles since last reset.

NOTE: Brake utilization data can be reset only with Cummins electronic service tools. Contact a Cummins Authorized Repair Location for the appropriate electronic service manual.

NOTE: Sudden decelerations can occur without applying the service brakes. Sudden decelerations are based on vehicle speed only.

Percent distance data (resettable)

• In cruise control
• At maximum vehicle speed
• In top gear
• In direct drive
• On electronic smart power (ESP) high curve

NOTE: Percent distance data can be reset only with Cummins electronic service tools. Contact a Cummins Authorized Repair Location for the appropriate electronic service tool manual.

Instantaneous data

• Instantaneous mpg
• Instantaneous fuel rate

For more information on your trip information system, contact a Cummins Authorized Repair Location.

The CELECT™ Plus system on an engine consists of:

1. Fuel shutoff valve
2. Oil pressure sensor
3. Intake manifold boost sensor
4. Cooling plate
5. Electronic control module (ECM)
6. Engine wiring harness connector

1. OEM wiring harness
2. Engine wiring harness connector
3. Fuel in
4. Fuel out
5. Fuel gear pump
6. Oil temperature sensor (under ECM)
7. Engine position sensor (EPS)
8. Coolant temperature sensor (in thermostat support)
9. Coolant level sensor (in radiator) – optional
10. Intake manifold temperature sensor
11. Ambient air pressure sensor (when required).

The CELECT™ Plus system datalink is located on the engine harness just in front of the ECM.

On CELECT™ engines, there are two dataplates on the top of the electronic control module (ECM). The dataplate on the left contains the part number (P/N), serial number (S/N), and the date code (D/C) of the ECM. The dataplate on the right contains the engine calibration information.

The injectors are a closed nozzle design. The injector assembly contains a solenoid control valve.

The ECM processes the information it receives from the sensors and controls the opening and closing of the injector solenoid. This action controls the amount of fuel metered to each injector and the precise time of injection for each injector. This will produce the correct horsepower and torque for the engine.

The CELECT™ Plus system receives input from the following components:

1. Engine position sensor (EPS)
2. Vehicle speed sensor (VSS)¹
3. Accelerator pedal position sensor¹
4. Idle validation switch¹
5. Service brake pedal switch¹
6. Clutch pedal switch¹
7. Intake manifold pressure sensor
8. Coolant temperature sensor.

¹ These are OEM sensors that are not installed on the engine.

9. Coolant level sensor²
10. Intake manifold temperature sensor
11. Oil pressure sensor
12. Oil temperature sensor (under ECM)
13. Ambient pressure sensor (when required).

² These are OEM sensors that are not installed on the engine.

The engine position sensor provides engine speed and position information.

The sensor is located on the backside of the gear housing just above the accessory drive.

The VSS is mounted in the transmission housing. The unit senses the speed of the output shaft of the transmission. The vehicle speed is computed by the ECM. The ECM uses these data, preprogrammed tire size, and gearing information to adjust the engine speed for road speed governing and cruise control.

If the OEM uses a mechanical speedometer, then a cable-driven minigen sensor mounted on the output of the transmission can be used.

The throttle position sensor is located in the accelerator pedal assembly. When the accelerator pedal is at idle, the engine brakes can be activated. When the accelerator pedal is depressed, the sensor deactivates the engine brakes and the PTO. The accelerator pedal can override the cruise control.

The idle validation switch is added to the accelerator pedal assembly and will verify that the accelerator pedal is in the low idle position.

The brake switch is located in the air line of the vehicle service brakes. The brake switch closes when the brake pedal is disengaged. The switch opens when the brakes are engaged. The open switch will deactivate the cruise control and the PTO.

The clutch switch is located near the clutch pedal or linkage.

The clutch switch is closed when the clutch is engaged. The clutch switch opens when the clutch is disengaged (pedal depressed). This will deactivate the engine brake, cruise control, or PTO.

The intake manifold pressure sensor (1) and the intake manifold temperature sensor (2) are located in the intake manifold. The intake manifold pressure sensor monitors positive manifold pressures used in the air-fuel control function. The intake manifold temperature sensor measures the turbocharged intake air temperature. It is also used for the engine protection system.

The engine coolant temperature sensor is located in the thermostat support housing. It provides data for optimized timing for emissions reduction and is used for the engine protection system.

The coolant level sensor (1) is mounted in the radiator top tank or surge tank, depending on the OEM. It is a fluid level-actuated switch required for the engine protection system.

NOTE: This is an optional sensor that possibly will not be on all vehicles.

The ambient air pressure sensor (1) ( when required) is located on the fuel pump side of the engine, just in front of the ECM. It is used to control fueling.

The oil temperature sensor (2) is behind the ECM on the fuel pump side of the engine. The oil pressure sensor (1) is located in the oil rifle on the fuel pump side of the engine between the fuel pump and front gear housing. They measure the oil temperature and pressure for the engine protection system.

NOTE: The cab-mounted controls can have a different appearance, depending on the OEM.

CELECT™ Plus cab-mounted controls consist of:

• Idle speed adjust switch
• Engine brake on/off switch¹
• Engine brake position switch¹
• Cruise control/PTO on/off switch
• Cruise control/PTO select switch
• Diagnostic on/off toggle switch or shorting plug.

¹Optional controls.

The idle adjustment is in the cab panel. Use this switch to adjust the engine idle speed from 650 to 800 rpm in increments of 25 rpm.

Each time the switch is briefly moved to the minus (-) position, the idle speed is decreased by 25 rpm. When the switch is briefly moved to the plus (+) position, the idle speed is increased by 25 rpm.

The engine compression brake has an on/off switch. The engine brake position select switch is used to select how much braking power is desired. For M11 Plus engines, position LO gives braking power to three cylinders. Position HI gives braking power to all six cylinders.

NOTE: Some OEM manufacturers have switches that are labeled SET/ACCEL and RESUME/COAST.

The cruise control has an on/off switch. The cruise control select switch is used to set and adjust the cruise control speed while driving. The switch is also used to set and adjust the engine speed during PTO operation.

The diagnostic switch is an on/off-type switch, or a jumper connection cap. It is in the cab panel. It is turned on when the operator wants to read any fault codes that the system has recorded. It must remain off at all other times. The fault codes are read from a specific blinking sequence of three diagnostic lamps in the cab panel.

The ECM sends signals to the following components to control the vehicle:

• Fuel shutoff valve solenoid
• Injectors
• Fan clutch
• Engine brake solenoids valves.

NOTE: (1) Connects to EPS, Intake Manifold Pressure, Oil Pressure and Temperature, Coolant Temperature and Level, Ambient Air Pressure and Intake Temperature.

The engine position speed sensor, intake manifold pressure sensor, oil pressure and temperature sensors, coolant temperature and level sensors, ambient air pressure sensor, and intake manifold temperature sensor are connected to the ECM with the engine wiring harness.

NOTE: (1) Connects to Injectors, Engine Brake, Fuel Shut Off Valve, and Fan Clutch.

The injector solenoids, engine brake solenoids, fan clutch control, and fuel shutoff valve solenoid are also connected to the ECM with the engine wiring harness.

The VSS, brake switch, accelerator pedal assembly diagnostic test switch, and cab panel switches are all connected to the ECM with the OEM wiring harness.

The engine harness has a datalink for an electronic service tool. This datalink is the only datalink used for downloading software into the ECM. It can also be used to read and program owner-specified information into the ECM by a Cummins Authorized Repair Location. The electronic service tool can also be used to aid in troubleshooting the engine in the event of a failure by reading and displaying fault codes.

The datalink connector is located on the engine harness, just in front of the ECM. It is a 6-pin Deutsch connector.

The CELECT™ Plus system has a cooling plate that is mounted to the engine block near the fuel pump. The ECM is mounted to the cooling plate. The fuel supply flows through the cooling plate and cools the electronics in the ECM.

The fuel pump has a pressure regulator assembly and a fuel shutoff valve.

The fuel pump pulls the fuel from the vehicle tank through the ECM cooling plate and fuel filter before it enters the pump.