SENDER AS-FUEL LEVEL 8I3814 - Caterpillar

Illustration 1 g01449681
Schematic of the Solenoid Valves (Ride Control)This diagnostic code is associated with Ride Control Solenoid Valve 2. The FMI 06 means that the ECM has determined that the current of Ride Control Solenoid Valve 2 is above normal. The possible causes of this diagnostic code are listed:
The energizer circuit of Ride Control Solenoid Valve 2 is shorted to ground.
Ride Control Solenoid Valve 2 has 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 2347 FMI 06 is active before performing this procedure.Note: Use the 146-4080 Digital Multimeter for the measurements in this procedure.System Response:When this diagnostic code occurs, the ride control function will always remain active.Test Step 1. CHECK THE SOLENOID.
Turn the disconnect switch and the key start switch to the ON position. Do not start the engine.
Disconnect Ride Control Solenoid Valve 2 from the machine harness.
At the machine harness connector for the solenoid, place a jumper wire from contact 2 to contact 1.
Observe the status of the CID 2347 FMI 06.Expected Result:The CID 2347 FMI 06 remains active. The FMI has not changed and the "06" is still active.Results:
YES - The diagnostic code remains active. The jumper wire does not affect the diagnostic code. Proceed to Test Step 2.
NO - The diagnostic is no longer active. The solenoid has failed.Repair: The solenoid has failed. Repeat this Test Step "CHECK THE SOLENOID" in order to verify the solenoid failure. Replace the solenoid. Verify that the new solenoid corrects the problem.STOPTest Step 2. CHECK THE SOLENOID ENERGIZER CIRCUIT FOR A SHORT TO GROUND
Turn the key start switch and the disconnect switch to the OFF position.
Ride Control Solenoid Valve 2 remains disconnected from the machine harness.
Disconnect the machine harness connector(s) from the ECM.
At the machine harness connector for the ECM, measure the resistance from J2-6 (wire N936-YL) to all contacts that are used in the machine harness connectors for the ECM.Expected Result:Each resistance measurement is greater than 5000 ohms.Results:
OK - Each resistance measurement is greater than 5000 ohms. The machine harness is correct. Proceed to Test Step 3.
NOT OK - Each resistance measurement is not greater than 5000 ohms. There is a short in the machine harness. The short is between the signal circuit for Ride Control Solenoid Valve 2 and the circuit with the low resistance measurement.Repair: Repair the machine harness or replace the machine harness. STOPTest Step 3. CHECK IF THE DIAGNOSTIC CODE REMAINS
Inspect the contacts of the harness connectors and clean the harness connectors.
Reconnect all harness connectors.
Turn the disconnect switch and the key start switch to the ON position.
Operate the machine.
Check the status of the CID 2347 FMI 06.Expected Result:The CID 2347 FMI 06 is active.Results:
YES - The CID 2347 FMI 06 is active. The diagnostic code has not been corrected. The ECM may have failed.Repair: It is unlikely that the ECM has