SWITCH GP 4865177 - Caterpillar

Procedure to Flash Program the ECM
Note: Before flashing any ECM, ensure that the transmission direction switch is in the neutral position. Ensure both the implement lockout and parking brake switches are in the locked position. Turn key start switch to the ON position. Wait a full 2 minutes to allow all ECMs to initialize communications.
Connect the Data Link cable between Comm Adapter III and machine service port.
Connect the USB PC connector cable between Comm Adapter III and laptop.
Start Cat ET.
Verify that the correct Cat ET preferences are selected for Comm Adapter III.Note: To verify that Cat ET preferences are correct for the Comm Adapter III. Navigate to Utilities>Preferences>Modify. Under the "Communications" tab, select "Caterpillar Comm Adapter 3(RP 1210)" from the drop-down box. Ensure the "Enable Dual Data Link Service" box is selected.
Connect to Cat ET.
Run Product Status Report (PSR).
Copy the ECM Replacement Files for all ECMs.
Take note of any active diagnostic codes, and clear logged diagnostic codes.
Connect to WinFlash.
Determine which ECM is to be flashed, and then load flash file.Note: If flashing multiple ECMs, take note if a specific order is to be followed.
Verify that flash file is correct for the specific ECM, and then begin flash.
Once complete, return to Cat ET.
Run the post-flash Product Status Report.
Before powering down, perform all calibrations, clock sync etc. Allow machine to operate for at least 10 minutes to allow new parameters to be accepted.
After powering down the machine, wait 3 minutes before cycling the machine to the ON or START/RUN state. Waiting 3 minutes provides the ECM(s) time to shut down.