TUBE 4604922 - Caterpillar

Table 4
FMI 12 Troubleshooting
Troubleshooting Test Steps Values Results
1. Verify The Hardware And The Software Part Numbers(1)
A. Verify that the following information is correct:
-The part number of the flash software for the ECM is correct.
-The part number of the ECM is correct.
-The part numbers of the sensors are correct.
All the part numbers are correct OK - All the part numbers are correct
Proceed to Test Step 2.
NOT OK - All the part numbers are not correct
Repair: The ECM or the sensors have the wrong part number or incorrect flash software is installed. Flash the correct software or replace the incorrect ECM or the sensor with a module that has the correct part number. Refer to the Troubleshooting, "ECM - Flash Program" section for additional information
Proceed to Test Step 2.
2. Check If The Diagnostic Code Remains
A. Reconnect all harness connectors. Return machine to normal operating condition.
B. Turn the key start switch and the disconnect switch ON.
C. Clear all diagnostic codes.
D. Operate the machine.
E. Stop the machine and engage the safety lock lever.
F. Check if the diagnostic code is active.
The diagnostic code is no longer present. OK - The diagnostic code does not exist at this time. The initial diagnostic code may have been caused by poor electrical connection or short at one of the harness connections. Resume machine operation.
STOP.
NOT OK - The diagnostic trouble code