IK1201010 ­ Service Interval and Maintenance Lamp information ISX and ISB Cummins

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IK1201010

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Keith
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Title : Service Interval and Maintenance Lamp information ISX and ISB
Cummins
Applies To : 13 and newer Cummins ISX and ISB

Maintenance Monitor Feature Description and
Manual Reset Procedure
Description
This feature, when enabled will cause the electronic control module (ECM) to flash a
lamp
for 30 seconds when the keyswitch is turned ON, alerting the operator when it is time to
service the engine. This feature can be adjusted, based on ECM measured distance or
engine running time. Once the ECM determines the maintenance interval has expired, it
will
flash either the MAINTENANCE or the amber CHECK ENGINE lamp (refer to the OEM
specifications for appropriate lamp that will be illuminated) for 30 seconds when the
keyswitch is turned ON.
Furthermore, the feature can be customized (use Cummins® INSITE. electronic service
tool) to illuminate the lamp at sometime prior to the end of the maintenance interval
(Example: The feature can be adjusted to illuminate the lamp at any point when 50 to
100
percent of the maintenance interval has expired. This is accomplished by selecting an
appropriate value for Alert Percentage.)
Finally, some applications (specifically ISM and ISX) can have the ECM determine the
maintenance interval using the Auto mode of the Maintenance Monitor. If these
instances,
the user must enter an Interval Factor (use Cummins® INSITE. electronic service tool).
The Interval Factor will be based on the vehicle's duty cycle and engine oil grade. The

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IK1201010 ­ Service Interval and Maintenance Lamp information ISX and ISB Cummins

Page 2 of 5

ECM
will then calculate the end of the maintenance interval, based on engine operating
conditions.

Adjustable Parameters
Name: Maintenance Monitor
Range: Enable/Disable
Description: Allows the user to enable the Maintenance Monitor feature.

Name: Mode
Range: Auto, Distance, Time (or Manual)
Description: Choosing Auto, Distance, Time (or Manual) mode will determine how the ECM
enacts the Maintenance Monitor Feature.
Auto - If the Auto mode of Maintenance Monitor is available, it is necessary that an interval
factor be entered (see Interval Factor in this Service Bulletin), and the maintenance interval
will be based on an ECM determination of oil life.
Distance - If the Distance mode is chosen, it is necessary that a distance be entered, and
the maintenance interval will be based on ECM measured distance traveled. It is necessary
that the vehicle have a working vehicle speed sensor for this mode of Maintenance Monitor
to work properly.
Time (or Manual) - If the Time mode is chosen, it is necessary that a time be entered, and
the maintenance interval will be based on ECM measured engine run time.

Name: Distance
Range: Varies for different engines (KM/Mi)
Description: When operating in the Distance mode, the distance entered defines the
maintenance interval. See the appropriate Operation and Maintenance Manual for a specific
engine application for the correct oil drain interval.

Name: Time
Range: Varies for different engines (Hours)
Description: When operating in the Time mode (also called Manual mode in some industrial
engines), the time entered defines the maintenance interval. See the appropriate Operation
and Maintenance Manual for a specific engine application for the correct oil drain interval.

Name: Alert Percentage
Range: 50 percent to 100 percent
Description: This value must be entered. The ECM uses the Alert Percentage to determine
when to illuminate the appropriate lamp. For example: If the Alert Percentage is entered as

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IK1201010 ­ Service Interval and Maintenance Lamp information ISX and ISB Cummins

Page 3 of 5

90 percent, the ECM will illuminate the appropriate lamp at a time or distance corresponding
to 90 percent of the total maintenance interval.

Name: Warn While Running
Range: Enable or Disable
Description: Some engines will have this component of the Maintenance Monitor feature
available. When Warning While Running is enabled, the appropriate lamp will illuminate as
soon as the mileage or time threshold is reached. Otherwise, the appropriate lamp will only
illuminate at key ON. This component of the Maintenance Monitor feature is useful in some
industrial applications where the engines are not turned off on a daily basis.
Name: Interval Factor
Range: Varies for different engines (a unit-less number that is used by the ECM to calculate
the vehicle's duty cycle and oil grade).
Description: This value is used when operating in the Auto mode. Some engines have
calibrations that will base the maintenance interval on duty-cycle and engine operating
conditions. In this mode, the engine will allow the maximum oil life if the engine is lightly
loaded, and at the same time alert the operator to change the oil sooner if a more severe
duty cycle is detected.

Name: Reset
Range: Reset
Description: Resets the Maintenance Monitor interval data. See the following tables in this
Service Bulletin to properly select an Interval Factor for various engine types. If the engine
type is not specifically listed below, it is recommended that Maintenance Monitor be run in
either the Distance or Time mode only.

ISX and Signature Engines
First, use Table 1 to select a duty cycle. Evaluate the vehicle's duty cycle based on all
three
Operational Criteria. The correct duty cycle for the vehicle is the worst case duty cycle
based
on the three Operational Criteria (Example: A dump truck that averages 6.5 MPG and
GVW
is 30844 kg [68,000 lbs] will be considered as a Severe Duty cycle if the vehicle is
operated
in dusty environments).
Table 1

Operational
Criteria

Severe
Duty

Normal Duty

Light Duty

Average Fuel
Consumption

Less Than
5.5 MPG

5.5 to 6.5 MPG

Above 6.5
MPG

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IK1201010 ­ Service Interval and Maintenance Lamp information ISX and ISB Cummins

Gross Vehicle
Weight (GVW)

Does the Vehicle
Operate in Dusty
Environments?

Above
36,287 kg
(80,000
lbs)

31,752 to 36,287 kg
(70,000 to 80,000 lbs)

Below
31,752 kg
(70,000 lbs)

YES

NO

NO

Page 4 of 5

Pick the correct interval factor based on Table 2.
NOTE: The correct interval factor on both the duty cycle and the grade of oil used by
the customer, if the grade of oil used by the customer changes, the interval factor
must be evaluated again.
Table 2

Oil
Grade

Severe
Duty

Normal
Duty

Light
Duty

Standard
CG-4

Intercal
Factor
1.0

Interval
Factor
1.5

Interval
Factor
2.0

CES
20071
(CH­4)

Interval
Factor
1.25

Interval
Factor
2.71

Interval
Factor
3.43

CES
20076

Interval
Factor
1.5

Interval
Factor
3.07

Interval
Factor
3.79

Driver Activation/Deactivation
Use INSITE. electronic service tool to enable this feature.
The only driver or user interaction is to reset the appropriate lamp manually. Otherwise,
Cummins® INSITE. electronic service tool can be used to reset the appropriate lamp.
The Maintenance Monitor reset, on engines without aftertreatment, can be
accomplished by
clicking the reset button on the Maintenance Monitor screen, using INSITE. electronic
service tool, or by using one of the following procedures.

1.
2.
3.
4.
5.

Turn the keyswitch to the ON position.
Release the service brake pedal.
Depress the throttle pedal and hold at 100% throttle.
Press and release the service brake pedal 3 times.
Release the throttle pedal.

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IK1201010 ­ Service Interval and Maintenance Lamp information ISX and ISB Cummins

6.
7.
8.
9.
10.
11.
12.

Page 5 of 5

Press and release the service brake pedal 1 time.
Depress and hold the throttle pedal at 100% throttle again.
Pres and release the service brake pedal 3 more times.
Release the throttle pedal.
Press and release the service brake pedal 1 time.
The appropriate lamp will flash 3 times.
Turn the keyswitch to the OFF position.

Other Resources
Cummins Service Bulletin 2883397 - Requires QuickServe Login
Cummins QuickServe Online (QSOL) - Requires QuickServe Login
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