TM 5-3805-291-23-2
MESSENGER ECM REPLACEMENT - CONTINUED
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SYSTEM CONFIGURATION PARAMETERS
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System configuration parameters are parameters that affect emissions, engine power, and machine applications. Default
values for the parameters are programmed at the factory. Some parameters (such as Service Mode Enable Code or Information
Units Status) may be changed to suit the needs of the specific application.
View and/or change parameters using the Configuration Tool on the toolbar, or by selecting "Configuration" from the
"Service" menu in ET. The Configuration display area in ET has four columns: Description, Value, Unit, and TT. The Descrip-
tion column gives the name of the parameter. The Unit column displays the configuration parameter units. The TT column dis-
plays the list of the total tattletales, which represent the number of times the configuration parameter value has changed.
The push-buttons in the Configuration screen are "Change" or "Print". The "Change" push-buttons allow you to change
the configuration values. This is only enabled if the parameter's configuration can be changed. Parameters that cannot be
changed have a yellow key symbol on the left. The ECM Replacement function in ET copies the relevant configuration param-
eters from one ECM to the other. The table below lists the system configuration parameters, definition location, data range,
default value and unit for the 966H loader.
PARAMETER
DEFINITION/
RANGE OF
DEFAULT
INPUT
DESCRIPTION
LOCATION
VALUES
VALUE
Product ID
Registration #
8 characters
Blank
Customer defined
Equipment ID
Serial #
9 characters
Blank
Customer defined
ECM part number
ECM
9 characters
From factory
ECM serial number
ECM
10 characters
From factory
ECM software group
9 characters
FLASH
part number
ECM software release
5 characters
APR07
FLASH
date
MONTH YR
(NOV99)
ECM software group
7 characters
FLASH
description
To replace the ECM, perform the following steps, which are explained in more detail in the sections identified below.
a.
Record all diagnostic codes before replacing messenger (WP 0006 00).
Copy configuration of the existing ECM to the MSD. Refer to Copy Configuration from ECM in this work pack-
b.
age.
Remove the ECM. Refer to Remove Messenger in this work package.
c.
Install the new ECM. Refer to Install Messenger in this work package.
d.
Flash program ECM. Refer to Flash Programming in this work package.
e.
Copy the configuration of the old ECM to the new ECM. Refer to Copy Configuration (Program ECM) in this
f.
work package.
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