ENGINE ELECTRONIC CONTROL MODULE (ECM) REPLACEMENT - CONTINUED
Turn battery disconnect switch to ON position (TM 5-3805-290-10).
Connect ET to MSD and start ET (WP 0006 00).
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The Engine ECM will list the model number, 3056 924WL (CPT 18020), instead of the word "engine" in ET.
Highlight the ECM and click "OK".
Insert flash file CD and read the "read me" file. Note the correct ECM flash file and folder name.
Select "WinFlash" from the "Utilities" menu in ET. "WinFlash" will attempt to detect an ECM. Read and close the Win-
Flash Quick Help Guide.
Highlight the ECM.
Browse to "My Computer" and select "ET Flash Files".
Open the "Flash Files" folder and select the system folder.
Select the correct flash file noted in step 4.
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.
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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 thru 10 until the flash program-
ming is completed and you see "Flash Completed Successfully".
Select CAT ET from the button options.
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If flash programming the ECM as directed by troubleshooting, proceed to step 12. If replacing an
ECM, proceed to Copy Configuration (Program ECM) in this work package.
Start engine. Run until operating temperature is reached and verify proper operation of all components (TM 5-3805-
290-10). Check for active diagnostic codes (WP 0005 00).
COPY CONFIGURATION (PROGRAM ECM)
Highlight the ECM, then click "OK".
Ensure the correct ECM is highlighted. Select "Copy Configuration" from the Service menu, then select "ECM
Replacement" from the sub-menu.
Highlight configuration file that was saved earlier and double click to open. "The current ECM Replacement data came
from..." dialogue box opens. Select "OK".
Select "Program ECM" push-button then highlight the ECM to be programmed and click "OK".
Read the "Warning! This configuration is for the control..." message and verify that the Engine SN appears, then select
"Yes" to "Program the ECM".