BUSHING 2128596 - Caterpillar

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Connections for the Communication Adapter II and ETThe components that are needed in order to use the Communication Adapter II and Caterpillar Electronic Technician (Cat ET) in order to determine diagnostic codes are listed: (1) Cable (2) 171-4400 Communication Adapter II (3) Service diagnostic cable. (4) Current version of Cat ET software and an IBM-COMPATIBLE personal computer
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(1) Cable Assembly (Service Connector to Communication Adapter) (2) 171-4400 Communication Adapter Gp (3) Cable Assembly (Computer to Communication Adapter)ReferenceRefer to Special Publication, NEHS0758, ""Communications Adapter II User's Manual Contains Software"".Note: Cat ET is a software program that can be used on an IBM compatible personal computer.In order to use Cat ET, order the following materials: Special Publication, JERD2124, "ET Single Use Program License", Special Publication, JEHP1026, "Information and Requirements Sheet", 7X-1425 Data Link Cable and the Data Subscription and Special Publication, JERD2142, "Data Subscription". The Special Publication, JEHP1026, "Information and Requirements Sheet" lists the required hardware and the features of ET.Cat ET is used to communicate to the system components over the data link. Cat ET is connected to the machine service connector.Cat ET is not required in order to determine the diagnostic codes and Cat ET is not required in order to clear the diagnostic codes. However, the process of determining the diagnostic codes is easier and faster by using the Cat ET. Cat ET can also display information on the history of a diagnostic code and the parameter status of diagnostic codes. These features allow the Cat ET to be a useful tool for troubleshooting.Cat ET connects to the machine diagnostic connector and Cat ET communicates with the electronic control modules over the data link. The diagnostic connector is located by the fuse panel. For more information and the locations of the connectors, refer to Troubleshooting, "Electrical Components and Connector Locations" and the Electrical System Schematic in the Service Manual for the machine.Connect Cat ET to the machine. Turn the key start switch to the RUN position. Start Cat ET. Cat ET will initiate communications with the electronic control modules on the machine. Cat ET will list the available electronic control modules on the machine after communication has been established.Note: Cat ET can only view diagnostic information for the implement/valve control ECM.
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Cat ET status screen for the Cross Slope system
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Cat ET status screen for the Cross Slope components