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LIGHT-NONE 5087894 - Caterpillar



5087894 LIGHT-NONE Caterpillar parts LIGHT
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Alternative (cross code) number:
CA5087894
508-7894
5087894
Caterpillar 5087894 LIGHT-NONE

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Illustration 1 g01216611
Schematic of the Hoe Auxiliary Valve #2 Port B SolenoidThis diagnostic code is associated with the Hoe Auxiliary Valve #2 Port B Solenoid. The FMI 05 means that the ECM has determined that an open in the circuit exists. The possible causes of this diagnostic code are listed below:
The energize circuit of the solenoid is open.
The return circuit of the solenoid is open.
The solenoid 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 2244 FMI 05 is active before performing this procedure.Note: Use the 146-4080 Digital Multimeter for the measurements in this procedure.Note: 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. System Response:
The system will not initialize after power is cycled.
The hydraulic functions for the extend, retract, reverse and forward are lost after power is cycled.
There will be no effect to the systems after powerup until the next reset of the valve ECM.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 the solenoid with the active diagnostic code from

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