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ENGINE AR-COMPLETE 3967301 - Caterpillar

3967301 ENGINE AR-COMPLETE Caterpillar parts D8R ENGINE
Alternative (cross code) number:
Caterpillar 3967301 ENGINE AR-COMPLETE

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Compatible equipment models: 3967301:

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Illustration 1 g01209160
Typical Cat Data Link connections
Note: The illustration for the Cat Data Link connections may not represent the connections for all components on all of the machines covered by this manual. Refer to the electrical system schematic for your machine in order to verify the Cat Data Link connections.This diagnostic code is recorded when the brake ECM does not receive a service brake signal on the Cat Data Link. This diagnostic code is also recorded when the signal is abnormal.Note: A diagnostic code that is related to the Cat Data Link (CID 0248) is recorded when a CID 0704 FMI 09 diagnostic code is present.Note: Ensure that the CID 0704 FMI 09 diagnostic code is present. An intermittent diagnostic code could be caused by a poor electrical connection of the Cat Data Link. The machine harness connectors should be checked.The possible causes of this diagnostic code are listed:
Poor connection in the Cat Data Link
Some problem exists and/or the engine ECM is blank.Test Step 1. INSPECT THE HARNESS CONNECTORS.
Turn the disconnect switch to the OFF position.
Inspect the connections of the machine harness that are related to the Cat Data Link.
Make sure that connectors are clean and tight.
Turn the disconnect switch and the key start switch to the ON position.
Observe the status of the diagnostic code. Expected Result:The diagnostic code is NO longer active.Results:
OK - The diagnostic code is NO longer active.Repair: The diagnostic code is NOT present at this time. An intermittent connection may exist in the Cat Data Link of the machine harness. Watch for a recurrence of this diagnostic code.STOP
NOT OK - The diagnostic code remains active. Proceed to Test Step 2.Test Step 2. CHECK THE CIRCUIT OF THE CAT DATA LINK.
Use the Electrical System Schematic in the Service Manual of the machine in order to check the circuit of the Cat Data Link. Check the circuit in the machine harness for continuity and shorts.
The following wires of the machine harness should be checked for continuity and shorts: wire 893-GN(Green) and wire 892-BR(Brown). Check from the brake ECM to the transmission/chassis ECM. Expected Result:The Cat Data Link in the machine harness is correct. Results:
OK - The Cat Data Link in the machine harness is correct. Repair: It is unlikely that the brake ECM is causing the diagnostic code. Exit this procedure and perform this procedure again. If the cause of the diagnostic code is not found, replace the brake ECM. See Testing And Adjusting, "Electronic Control Module (ECM) - Replace".STOP
NOT OK - The Cat Data Link in the machine harness has failed.Repair: Repair the machine harness or replace the machine harness. Verify that the repair corrects the diagnostic code.STOP

Caterpillar SIS machinery equipment:

Caterpillar SIS

Parts engine Caterpillar catalog:

3514114 ENGINE AR
314E CR, 314E LCR
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