793F and 797F Off-Highway Truck VIMS and Truck Payload Measurement System Caterpillar

“Flashing” is loading software into an electronic control module (ECM). Flashing an ECM must be done if the ECM has been replaced. Cat^® Electronic Technician (Cat ET) contains the program WinFlash which is used to load software into the ECM.

The following procedure is used to flash software into an ECM. The following worksheet should be completed prior to flashing any new VIMS^TM onboard software. The worksheet will help prevent the loss of stored data and user settings.

Reference: Troubleshooting, "Service Tools"

Illustration 1	g06195498

Note: Verify that a copy of the current VIMS software is available.

1. Connect the cable between the communication adapter and the pc running Cat ET.

2. Connect the cable between the communication adapter and the machine diagnostic connector.

3. Use WinFlash to load the new software.

Note: Winflash will indicate that the ECM is "BLANK" if the ECM is not flashed.