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PLATE AS. 1694946 - Caterpillar



1694946 PLATE AS. Caterpillar parts PLATE
Rating:
51
Alternative (cross code) number:
CA1694946
169-4946
1694946
Caterpillar 1694946 PLATE AS.

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Illustration 1 g03883092
Schematic of the Cat Data Link circuit A diagnostic code is recorded when the ECM for the Monitoring System cannot communicate with the machine ECM. Communication is through the Cat Data Link 10 times, within a ten minute period. The event is active until communication is reliable for more than ten minutes.System Response:This failure results in failed operations in the Monitoring System that are related to the machine ECM. The Monitoring System may function intermittently. Test Step 1. VERIFY THE HARDWARE AND THE SOFTWARE PART NUMBERS.
Verify that the following information is correct:
The part number of the flash software for the Monitoring System
The part number of the flash software for the machine ECM
The part number of the ECM for the Monitoring System
The part number of the machine ECM Note: Consult the Business Unit that produces the product for the correct part numbers of the configuration software.Expected Result:All part numbers are correct. Results:
OK - All part numbers are correct. Proceed to test step 2.
NOT OK - All part numbers are NOT correct. Repair: The installed ECM for the Monitoring System or the machine ECM has the wrong part number or the incorrect configuration software is installed. Replace the incorrect ECM for the Monitoring System or the machine ECM with a module that has the correct part number. Flash the correct configuration software. See the Testing and Adjusting, "Electronic Control Module (ECM) - Flash Program" section of this manual.STOPTest Step 2. INSPECT THE HARNESS CONNECTIONS.
Turn the disconnect switch to the OFF position.
Inspect all harness connections that are related to the Cat Data Link. Make sure that the connectors are clean and tight.
Check the connectors for proper mating.
Check the wires at the connector.
Check each wire for nicks or signs of abrasion in the insulation.
Check for moisture at the connector.
Check the connectors for dirty contacts or corroded contacts.
Check each pin and each socket of the machine harness connectors. Expected Result:The machine harness connectors are tight and free of corrosion. Results:
OK - The machine harness connectors are tight and free of corrosion. Proceed to test step 3.
NOT OK - The machine harness connectors are in need of repair.Repair: Repair the machine harness or replace the machine harness. STOPTest Step 3. CHECK FOR SHORTS TO GROUND
The


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