SWASHPLATE AS. 2966721 - Caterpillar

to the replacement of the ECM, ensure that replacement is necessary. The ECM is seldom the cause of a failure. Always check that power is available to all of the contacts of the ECM that are marked with "+ Battery".Note: Corrupted configuration software, or the wrong software, may cause an ECM to report incorrect diagnostic codes. Prior to replacing an ECM, flash the ECM with the correct configuration software, to verify that the failure is not related to corrupted software. See Troubleshooting, "ECM Software - Install".Procedure
Turn the disconnect switch and the key start switch to the OFF position.
Disconnect the machine harness connectors from the ECM.
Verify that the part number of the replacement ECM is correct.
Install the replacement ECM.
Connect the machine harness to the ECM.
Turn the disconnect switch and the key start switches to the ON position.
If necessary, use Cat® Electronic Technician (Cat ET) Service Tool to install the configuration software. Refer to the Testing and Adjusting, "Electronic Control Module (ECM) - Flash Program" section of this manual.
Verify that the ECM operates correctly.