Maintenance Indicator Data

TM 9-2320-312-24-2

Troubleshooting Section

PTO Time

Electronic Service Tool

PTO Fuel

Caterpillar Fleet Information Software (FIS)

Average Load Factor

Caterpillar Messenger

Average Vehicle Speed

The tool then subtracts the recorded starting point

from the current totals in the ECM in order to

Percent Idle Time

calculate the Fleet Trip Data. Resetting the Fleet Trip

Data requires customer passwords if the passwords

Percent PTO Time

are programmed.

Overall Fuel Economy

Maintenance Indicator Data

Driving Fuel Economy

The ECM records the current totals when a reset

occurs for the following three levels of maintenance:

Average Driving Speed

PM1

Maximum Vehicle Speed

PM2

Maximum Engine Speed

Cooling system clean/flush

Start Time

The ECM uses the previous point of maintenance in

End Time

order to calculate the timing of the next scheduled

maintenance work.

Start Odometer

The "Maintenance Indicator Mode" is programmable

End Odometer

to hours or distance. The "PM1" maintenance is

programmable to the "Off", "Automatic Distance",

Three histograms are available. One histogram

"Automatic Hours", "Manual Distance", or "Manual

records the engine's operation versus the engine

Hours" setting.

speed. The second histogram records time versus

vehicle speed. The third histogram records time

If the "PM1" is programmed to the "Automatic"

versus "engine speed" and "vehicle speed".

mode, the ECM calculates the next point of

maintenance by considering the history of the

The electronic service tool calculates the

vehicle's operation from the previous maintenance

percentage of time that is spent in each of the

interval. If the vehicle has a history of poor fuel

engine rpm or vehicle speed ranges. Custom data

economy the "Maintenance Indicator" parameter

is available. Custom data allows the recording of

will occur sooner than a vehicle with better fuel

engine parameters that are specified by the vehicle

economy.

owner. The ECM records the custom data.

The ECM also uses the engine oil capacity. A larger

A reset of the Fleet Trip Data which includes the

engine oil capacity provides a longer maintenance

"Fleet Trip Segment", the histograms, and the

interval. The engine oil capacity is programmed

custom data can be done in several ways. The

into the ECM in liters or quarts. If the "PM1" is

following tools can be used to reset the Fleet Trip

programmed to the "Manual" mode, the owner

Data:

can program the ECM in the owner's specific

maintenance interval. The maintenance interval can

The electronic service tool which may require

be programmed to the owner's specific interval

customer passwords

that is based on mileage or time. The interval for

the "PM2" and the interval for the cooling system

Caterpillar Fleet Information Software (FIS)

clean/flush are established by the factory.

Caterpillar Messenger which requires Customer

Caterpillar Messenger

Parameters Programming to provide access

The CaterpillarMessenger provides information on

When the data is reset, the ECM records the current

the engine operation. The "Maintenance Indicator"

totals at the time of the reset. These totals are used

data may be viewed.

as the starting point for the fleet trip. The following

tools access the recorded starting point: