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LEVER-RELEASE 7B0247 - Caterpillar



7B0247 LEVER-RELEASE Caterpillar parts LEVER
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56
Alternative (cross code) number:
CA7B0247
7B-0247
7B0247
Caterpillar 7B0247 LEVER-RELEASE

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Illustration 1 g01209056
Rear axle cooling fan solenoid connections
This diagnostic code is associated with the rear axle cooling fan (attachment) solenoid. The FMI 03 means that the ECM has determined that the voltage of the solenoid circuit is above normal.Some possible causes of the diagnostic code are listed:
The solenoid has failed.
The energize circuit of the solenoid is shorted to the +battery circuit.
The ECM has failed. This is unlikely.System Response:When the CID 0796 FMI 03 diagnostic code is active, the machine response can be:
The ECM will not control the differential cooling fan
The differential cooling fan may run at maximum speed when the key switch is ON.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 0796 FMI 03 is active before performing this procedure.Test Step 1. CHECK THE ENERGIZE CIRCUIT OF THE SOLENOID FOR A SHORT TO THE +BATTERY CIRCUIT
Turn the key start switch and the disconnect switch to the OFF position.
Disconnect the machine harness connector from the solenoid. Disconnect the machine harness connectors J-1 and J-2 from the ECM.
At the machine harness ECM connector J2, measure the resistance from contact J2-1 (wire C411-OR(Orange)) to all J-1 and J-2 contacts that are connected to +battery. The J-1 +battery contacts are J1-1, J1-6, J1-28 and J1-40. No J-2 contacts are connected to +battery. 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 2.
NOT OK - Each resistance measurement is not greater than 5000 ohms. There is a short in the machine harness. The short is between J2-1 (wire C411-OR(Orange)) and the circuit that has a low resistance measurement. Repair: Repair the machine harness or replace the machine harness.STOPTest Step 2. CHECK IF THE DIAGNOSTIC CODE IS STILL ACTIVE
Inspect the contacts of the


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