KIT-SEAL 1257006 - Caterpillar

Illustration 1 g02038754
Schematic of the forward propel solenoidThis fault is recorded when the ECM reads the current of the solenoid as below normal (open circuit).The results of this diagnostic code are listed below:
A category 2 warning is shown on the computerized monitoring system (CMS) for the solenoid which affects the propulsion, steering or rotor control.The possible causes of this diagnostic code are listed below:
The energizer circuit of the solenoid is open.
The return circuit of the solenoid is open.
The solenoid had failed.
The ECM has failed. This is unlikely.Note: The following test procedure may create other diagnostic codes. Ignore these created diagnostic codes and clear these diagnostic codes when the original diagnostic code has been corrected. Ensure that the diagnostic code of CID 391 FMI F05 is active before performing this procedure..Note: Use the 146-4080 Digital Multimeter for the measurements in this procedure.Test Step 1. CHECK THE SOLENOID
Turn the disconnect switch to the ON position.
Turn the key start switch to the ON position.Note: Do not start the engine.
Observe the status of the diagnostic code CID 390 and FMI 05.
Disconnect the solenoid from the machine harness.
At the machine harness connector for the solenoid, place a jumper wire from contact 1 (L940-GY) to contact 2 (wire 229-BK).
Observe the status of the diagnostic code CID 390 and FMI 05.Expected Result:The diagnostic code CID 390 and FMI 05 remains active as the jumper is installed and removed.Results:
YES - The diagnostic code remains active. The jumper wire does not affect the diagnostic code. Proceed to Test Step 2.
NO - The diagnostic code is no longer active. The solenoid has failed. Repeat this Test Step "CHECK THE SOLENOID" in order to verify the failure of the solenoid.Repair: Replace the solenoid. Verify that the new solenoid corrects the problem.STOPTest Step 2. CHECK THE HARNESS FOR AN OPEN
Turn the key start switch to the OFF position.
Turn the disconnect switch to the OFF position.
Disconnect the machine harness connector(s) from the ECM.
The jumper wire that was installed in the previous Test Step remains in place.
At the machine harness connector, measure the resistance from signal contact 10 (L940-GY) to return contact 39 (229-BK).Expected Result:Each resistance measurement is less than 5 ohms.Results:
OK - Each resistance measurement is less than 5 ohms. The machine harness is correct. Proceed to Test Step 3.
NOT OK - The resistance is greater than 5 ohms. The resistance measurement is not correct. There is an open circuit in the machine harness.Repair: Repair the machine harness or replace the machine harness.STOPTest Step 3. CHECK IF THE DIAGNOSTIC CODE REMAINS
Perform the following:
Visually inspect the harness connectors.
Clean the contacts of the harness connectors.
Visually inspect the insulation of the wires for damage that is caused by excessive heat, battery acid, or chafing.
Perform a 45 N (10 lb) pull test on each of the wires that are associated with the circuit.
Reconnect all harness connectors. Verify the following:
Connectors are fully seated.
The clips for each connector are completely fastened.
Turn the disconnect switch to the ON position.
Turn the key start switch to the ON position.
Operate the