Programmable Parameters

TM 9-2320-312-24-2

Troubleshooting Section

The CaterpillarMessenger provides the ability to

When the Caterpillar FIS downloads the information,

enter an ID code for an operator in order to divide

the Caterpillar FIS also resets the ECM in order to

the information for two operators.

prepare the ECM for the next interval of engine

operation. The information can be downloaded to

The CaterpillarMessenger may be used in order to

a computer with the Caterpillar FIS program, or

tag portions of the operating information into two ID

the information can be downloaded to an Argo

codes. The ID code and the information regarding

Mobile Data Tool (MDT). The Argo Mobile Data Tool

the operation of the engine cannot be viewed from

(MDT) is then connected to a computer in order to

the display. Only the Caterpillar Fleet Information

download the information.

Software (FIS) can view this information. The ability

to reset any of these parameters is dependent on

Programmable Parameters

customer parameters in the ECM.

Certain parameters that affect the operation of

The CaterpillarMessenger will display operating

the HEUI truck engine may be changed with the

information such as engine rpm, coolant

electronic service tool. The parameters are stored

temperature, boost pressure, etc.

in the ECM, and the parameters are protected

from unauthorized changes by passwords. These

The CaterpillarMessenger will also display engine

parameters are either system configuration

diagnostic codes with the PID-FMI Diagnostic

parameters or customer parameters.

Codes. The Caterpillar Messenger will also display

a brief text description of the diagnostic codes.

System configuration parameters are set at the

factory. System configuration parameters affect

An available feature of the Caterpillar Messenger

emissions or power ratings within an engine family.

is the Theft Deterrent. The Theft Deterrent allows

Factory passwords must be obtained and factory

the driver to input a password prior to shutdown.

passwords must be used to change the system

The Theft Deterrent will prevent the engine from

configuration parameters.

restarting until the password is successfully entered.

The CaterpillarMessenger must have the version of

Customer parameters are variable. Customer

software that is capable of supporting this feature.

parameters can be used to affect the following

characteristics of the engine within the limits that

An "Auto-Enable" option is available as a Theft

are set by the factory, Caterpillar Engine Monitoring,

Deterrent on personality modules which are

and PTO operation:

datedJUL99 and newer. If this option is selected,

the Theft Deterrent feature will automatically be

Cruise control

activated when the engine is shut down. The driver

must input the correct password in order to start

Vehicle speed limits

the engine.

Progressive shifting

Fleet Information Software (FIS) (JUL99

and Newer Personality Modules)

Rpm ratings

Power ratings

The Caterpillar Fleet Information Software (FIS) is

another method that can be used to review engine

Customer passwords may be required to change

operating information. Engine operating information,

customer specified parameters.

which includes the following elements of data may

be accessed with Caterpillar FIS:

Some of the parameters may affect engine operation

in an unusual way. A driver might not expect this

Histograms

type of effect. Without adequate training, these

parameters may lead to power complaints or

Custom data

performance complaints even though the engine's

performance is to the specification.

Information that is tagged by the ID code

Refer to Troubleshooting, "Customer Specified

Maintenance indicator information can also be

Parameters".

accessed by using the Caterpillar FIS.