8F4897 BEARING Caterpillar parts
Rating:
Alternative (cross code) number:
CA8F4897
8F-4897
8F4897
CA8F4897
8F-4897
8F4897
Weight: 16 pounds 7 kg.
Information:
Illustration 1 g02433146
Schematic of the "Ride Control" solenoid circuit.This diagnostic code is associated with the attachment "Ride Control" solenoid. The FMI 06 diagnostic code means that the Implement ECM 2 has detected that the current for the solenoid circuit is above normal. The Ride Control Solenoid is a 24 VDC solenoid that is controlled by the Implement ECM 2 ON/OFF output. The Implement ECM 2 will energize or de-energize the solenoid depending on the status of the ride control button on the soft switch panel. This solenoid can be overridden in Cat ET.Conditions that can cause this diagnostic code are listed below:
The energize circuit of the solenoid is shorted to a ground source.
The solenoid has failed.
The Machine ECM has failed. This situation is unlikely. Before performing this procedure, inspect the harness connectors that are involved in the circuit. Poor connections can often be the cause of a problem in an electrical circuit. Verify that all connections in the circuit are clean, secure and in good condition. If a problem with a connection is found, correct the problem and verify that this diagnostic code is active before performing this procedure. 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.Test Step 1. CHECK THE SOLENOID
Turn the disconnect switch and the key switch to the ON position. Do not start the engine.
Observe the status of the diagnostic code.
Disconnect the solenoid with the active diagnostic code from the machine harness. Expected Result:The active FMI 06 diagnostic code changes to an FMI 05 diagnostic code when the solenoid is disconnected.Results:
YES - The active FMI 06 diagnostic code changes to an FMI 05 diagnostic code when the solenoid is disconnected. The circuit is correct.Repair: The solenoid has failed. Repeat this test "CHECK THE SOLENOID" in order to verify the solenoid failure. Replace the solenoid.STOP
NO - The FMI 06 diagnostic code remains active. Disconnecting the solenoid did not affect the status of the diagnostic code. Proceed to Test Step 2.Test Step 2. CHECK THE ENERGIZE CIRCUIT OF THE SOLENOID FOR A SHORT TO GROUNDThe solenoid remains disconnected from the machine harness.
Turn the key switch and the disconnect switch to the OFF position.
Disconnect the machine harness connector from the Implement ECM 2.
At the Implement ECM 2 harness connector, measure the resistance from the supply contact 10 (wire U788-BU) to frame ground. Measure the resistance from the supply contact (wire U788-BU) to all of the other contacts that are used on the Implement ECM 2.Expected Result:Each resistance measurement is greater than 5000 ohms.Results:
OK - Each resistance measurement is greater than 5000 ohms. The solenoid circuit is not shorted in the machine harness. Proceed to Test Step 3.
NOT OK - One or more of the resistance measurements is less than 5000 ohms. There is a short in the machine harness. The short is between wire U788-BU and the circuit with the low resistance measurement. Repair: Refer to the complete machine
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