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OPTION AR-REGIONAL 3797142 - Caterpillar



3797142 OPTION AR-REGIONAL Caterpillar parts 314D LCR OPTION
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Alternative (cross code) number:
CA3797142
379-7142
3797142
Caterpillar 3797142 OPTION AR-REGIONAL

Buy OPTION AR-REGIONAL 3797142 Caterpillar genuine, new aftermarket tractor parts with delivery
EXCAVATOR,

Compatible equipment models: 3797142:

EXCAVATOR  314D LCR   Caterpillar
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Which Generate This Code:The function instance changed during system operation. This diagnostic code may become active if you plug a component into the system and the power is on.Test Step 1. CHECK FOR RELATED DIAGNOSTICS
Press the menu key in order to access the "Configuration" menu.
Press the arrow keys until "Diagnostics" is highlighted. Press the "OK" key.
From the "Diagnostics" Menu, press the arrow keys until "Fault History" is highlighted on the LCD. Press the "OK" key.Expected Result:"CB 30" is not active.Results:
YES - "CB 30" is not active. Proceed to Test Step 2.
NO - "CB 30" is active.Repair: Proceed to Troubleshooting, "CB 30 Duplicate Sensor Serial Number".STOPTest Step 2. CHECK THE HARNESS FOR AN OPEN.
Turn the key start switch and the disconnect switch for the machine to the OFF position.
Disconnect the harness from the knuckle connector on the right side.
Measure the resistance between pin "B" and pin "F".Expected Result:The resistance measurement is less than 5.0 ohms.Results:
OK - The resistance is less than 5.0 ohms. The machine harness is correct. Proceed to Test Step 3.
NOT OK - The resistanceis greater than 5000 ohms. The resistance measurement is not correct. There is an open circuit in the machine harness.Repair: The open is in wire T744-WH of the machine harness. Repair the machine harness or replace the machine harness.STOPTest Step 3. CHECK THE CONNECTOR FOR AN OPEN.
Make the following measurement at the knuckle connector on the left side. Measure the resistance between pin "B" and pin "F".Expected Result:The resistance is less than 5.0 ohms.Results:
OK - The resistance is greater than 5000 ohms. The machine harness is correct. Proceed to Test Step 4.
NOT OK - The resistance is less than 5000 ohms. The resistance measurement is not correct. There is a short circuit in the connector.Repair: Contact "B" is shorted to wire T744-WH of the machine harness. Repair the connector or replace the connector that is located on the right hand side of the knuckle connectors.STOPTest Step 4. 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 "EM 32".Expected Result:The "EM 32" diagnostic code is active.Results:
YES - The "EM 32" diagnostic code is active. The diagnostic code has not been corrected. Repair: Exit this procedure and perform this procedure again. If the cause of the diagnostic code is not found, contact your technical communicator for a possible consultation with Caterpillar.STOP
NO - The "EM 32" diagnostic code is not active. The diagnostic code does not exist at this time.Repair: The initial diagnostic code was probably caused by a poor electrical connection at one of the harness connectors that was disconnected and reconnected. Resume normal machine operation.STOP

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314D LCR Excavator TXN00001-UP (MACHINE) POWERED BY C4.2 Engine


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