SHAFT AS 4866738 - Caterpillar

Table 1
Troubleshooting Test Steps Values Results
1. Programming a Flash File
A. Establish communication between Cat ET and the engine ECM.
B. Select "WinFlash" from the "Utilities" menu on Cat ET.
If "WinFlash" will not communicate with the ECM, refer to Troubleshooting, "Electronic Service Tool Does Not Communicate".
C. Program the flash file into the ECM.
D. Select the engine ECM under the "Detected ECMs".
E. Press the "Browse" button in order to select the name of the flash file that will be programmed into the ECM.
F. When the correct flash file is selected, press the "Open" button.
G. Verify that the "File Values" match the application. If the "File Values" do not match the application, obtain the correct flash file.
H. When the correct flash file is selected, press the "Begin Flash" button.
I. Cat ET will indicate when flash programming has been successfully completed.
J. Start the engine and check for proper operation. Repair any active diagnostic or event codes.
Flash file
Result: The flash programming was successfully.
Return the unit to service.
Result: The flash programming was not successfully.
Repair: Repair any active diagnostic or event codes.
If the problem is not resolved, proceed to Test Step 2.
2. "WinFlash" Error Messages
A. If you receive any error messages during flash programming, click on the "Cancel" button in order to stop the process. Access the information about the "ECM Summary" under the "Information" menu. Make sure that you are flashing the correct file for your engine.
B. Record all error messages. The recorded error messages will be necessary if further assistance is needed.
Error messages
Result: There are no error messages.
Return the unit to service.