LOCKWASHER 434297 - Caterpillar

Remove power from the ECM.
Verify that the ECM connector J2/P2 and the injector connectors are properly connected.
Restore power to the ECM.
Start the engine.
Apply a load to the engine.
Perform the following steps on all suspect cylinders (solenoids).
Use the diagnostic tests on Cat ET to initiate the "Cylinder Cutout Test".
Run the "Cylinder Cutout Test". Run the "Cylinder Cutout Test". Disable the suspect cylinder(s) during the test.Expected Result:The results indicated that the remaining injectors used more fuel when the "Cylinder Cutout Test" disabled the suspect injector(s).Results:
OK - There was a noticeable change in fuel usage.Repair: The injectors are firing in all cylinders. Reset the system and check for diagnostic codes.STOP
Not OK - There was no noticeable change in fuel usage.Repair: Verify that the engine valve lash for that injector is set correctly. Rerun the "Cylinder Cutout Test". If the problem is still present, replace the injector. If the new injector has a trim code that is different from the old injector, change the trim code in the ECM.STOPTest Step 4. Check the Harness between the ECM and the Injector Connectors for an Open Circuit
This engine uses high voltage to control the fuel injectors.Disconnect electronic fuel injector enable circuit connector to prevent personal injury.Do not come in contact with the fuel injector terminals while the engine is running.
Remove power from the ECM.
Disconnect the connectors for the suspect injector(s).
Fabricate a jumper wire 100 mm (4 inch) long with Deutsch pins on both ends of the wire.
Insert one end of the jumper wire into the socket for the suspect injector's supply wire. Insert the other end of the jumper wire into the socket for the suspect injector's return wire. This will replace the injector solenoid with a short circuit.
Restore power to