ENGINE AR-CORE 2823829 - Caterpillar

Table 3
FMI 14 Troubleshooting
Troubleshooting Test Steps Values Results
1. Inspect The Harness Connections
A. Turn key start switch and disconnect switch OFF.
B. Inspect all harness connections related to the CAN data link. Make sure that the connectors are clean and tight.
C. Check the connectors for proper mating. Ensure that all the seals are present and in place.
D. Check the harness for signs of damage or abrasion.
E. Check the wires at the connector. Ensure that the wires are secured tightly into the connector. Take care not to pull the wire out of the connector.
F. Check the exposed wires at the connectors for nicks or signs of abrasion.
G. Check for moisture inside the connector.
The machine harness connectors are tight and free of corrosion. OK - The machine harness connectors are tight and free of corrosion.
Proceed to Test Step 2.
NOT OK - The machine harness connectors are in need of repair.
Repair: Repair or replace the machine harness.
Proceed to Test Step 3.
2. 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 of the part numbers are correct OK - All of the part numbers are correct
Proceed to Test Step 3.
NOT OK - All of 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 3.
3. Check If The Diagnostic Code Remains
A. Turn the key start switch and the disconnect switch ON.
B. Clear all diagnostic codes.
C. Operate the machine.
D. Stop the machine and engage the safety lock lever.
E. 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 has not been corrected. If the diagnostic code has not been corrected after performing the procedure a second time, the ECM may require replacement.
Prior to replacing the ECM, always contact the Technical Communicator at your dealership for possible consultation with Caterpillar. This consultation may effect repair time.
Follow the steps in Troubleshooting, "ECM - Replace" if the ECM needs to be replaced.
STOP.
(1) Consult your Caterpillar Authorized Dealer for the correct part numbers of the flash software.
Table 4
FMI 19 Troubleshooting
Troubleshooting Test Steps Values Results
1. Check For Diagnostic Codes Related To Data Link
A. Connect a laptop loaded with the latest version of Cat ET to the service connector.
B. Note all diagnostic codes related to the data link.
C. Perform the troubleshooting procedure to correct the active diagnostic codes.
All troubleshooting has been performed, the diagnostic code is no longer active. OK