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FAN GP-SUCTION 4645541 - Caterpillar



4645541 FAN GP-SUCTION Caterpillar parts FAN
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Alternative (cross code) number:
CA4645541
464-5541
4645541
Caterpillar 4645541 FAN GP-SUCTION

Buy FAN GP-SUCTION 4645541 Caterpillar genuine, new aftermarket tractor parts with delivery

Number on catalog scheme: 5
 
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Illustration 1 g01079534
Schematic for the 5 V supplyThis diagnostic code is recorded when the ECM reads the voltage of the sensor supply circuit (L730-OR) and the voltage is below normal.System Response:When this diagnostic code is active the hydraulic control system will default to the "Auto Not Allowed"state.Test Step 1. CHECK THE VOLTAGE AT THE ECM.
Turn the disconnect switch and the key start switch to the ON position.
Check the voltage at the connector of the ECM from contact J1-11 (sensor supply) to contact J1-21 (ground). Use the 7X-1710 Cable probes to measure the voltage. Do NOT disconnect the machine harness from the ECM.Expected Result:The voltage is 5.0 0.5 DCV.Results:
OK - The voltage is 5.0 0.5 DCV. The sensor supply voltage is correct. Verify that the diagnostic code is present. If the diagnostic code is still present the ECM has failed.Repair: It is unlikely that the ECM has failed. Exit this procedure and perform this procedure again. Also, recheck if the diagnostic code is active. If the cause of the diagnostic code is not found, replace the ECM. See Testing and Adjusting, "Module - Replace".STOP
NOT OK - Voltage is NOT 5.0 0.5 DCV. The voltage is less than 5.0 0.5 DCV. The sensor supply voltage is NOT correct. Proceed to test step 2.Test Step 2. CHECK FOR A SHORT TO GROUND.
Turn the key start switch and the disconnect switch to the OFF position.
Disconnect the machine harness from the ECM.
At the harness connector for the ECM, measure the resistance between frame ground and contact J1-11 of the sensor supply circuit. Expected Result:The resistance is greater than 5000 ohms.Results:
OK - The resistance is greater than 5000 ohms. The harness circuit resistance is correct. The ECM has failed.Repair: It is unlikely that the ECM has failed. Exit this procedure and perform this procedure again. Also, recheck if the diagnostic code is active. If the cause of the diagnostic code is not found, replace the ECM. See Testing and Adjusting, "Module - Replace".STOP
NOT OK - The resistance is less than 5000 ohms. The machine harness or a sensor has failed. Proceed to test step 3.Test Step 3. DISCONNECT THE SENSORS.
The key start switch and the disconnect switch remain in the OFF position.
One at a time, disconnect any sensor that uses the sensor supply voltage from the machine harness.
After disconnecting the sensor (s), check the resistance from frame ground to contact J1-11 (sensor supply) of the machine harness connector for the ECM.Expected Result:The resistance is greater than 5000 ohms.Results:
OK - The resistance is greater than 5000 ohms. The harness circuit resistance is correct. The sensor that was just disconnected has failed.Repair: Replace the sensor.STOP
NOT OK - The resistance is less than 5000 ohms. If the resistance is less than 5000 ohms after all the sensors have been disconnected from the machine harness. The machine harness is shorted to ground.Repair: Repair the machine harness or replace the machine harness.STOP

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Caterpillar SIS

Caterpillar parts catalog:

Caterpillar parts catalog
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