TM 5-3805-291-23-2
MESSENGER ECM REPLACEMENT - CONTINUED
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INSTALL MESSENGER
1.
Connect wiring harness (3) to messenger (1).
2.
Install messenger (1) in console (2).
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Proceed to Flash Programming in this work package.
3.
FLASH PROGRAMMING
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1.
Turn Battery Disconnect Switch to ON position (TM 5-3805-291-10).
2.
Connect MSD to machine and start ET (WP 0005 00).
N OT E
ET lists "Messenger" as "Monitor-966".
3.
Highlight the ECM and click "OK".
4.
Insert flash file CD and read the "read me" file to determine the correct ECM flash file name.
N OT E
ET lists "Messenger" as "Graphical Display Module".
5.
Select "WinFlash" from the "Utilities" menu in ET. "WinFlash" will attempt to detect an ECM. Read and close the
WinFlash Quick Help Guide.
6.
Highlight the ECM.
7.
Browse to "My Computer" and select "ET Flash Files".
8.
Open the "Flash Files" folder and select the system folder.
9.
Select the correct flash file noted in step 4.
10.
Click the "Begin flash" button located in the bottom right corner of the display screen to start flashing the ECM. From
this point, the flash process will proceed automatically.
N OT E
If any error messages are received during the flash programming, click "Cancel" to stop the process, then
verify the file and engine being flashed match. Repeat steps 3 through 10 until the flash programming is
completed and you see "Flash Completed Successfully."
11.
Select ET from the button options.
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