MSS3s Machine Security System Caterpillar

Illustration 1	g03861135
Connections for the Communication Adapter 3 and Cat® Electronic Technician (Cat ET) Service Tool The components that are needed to use the Communication Adapter III and Cat ET to determine diagnostic codes are listed: (1) Cable (2) 317-7484 Communication Adapter Gp (3) 457-6114 CA3 Ethernet FLASH Cable (4) Current version of Cat ET program software and an IBM-COMPATIBLE personal computer

Use Cat^® Electronic Technician (Cat ET) with 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

• Special Publication, JERD2142, "Data Subscription"

The following features make Cat ET a valuable tool for troubleshooting:

• Required to determine diagnostic codes

• Displays the history of a diagnostic code

• Displays the diagnostic code parameter status

• Required to clear diagnostic codes

Perform the following steps to determine diagnostic codes with Cat ET:

1. Connect the computer to the machine diagnostic connector.

   Note: For locations of the connectors, see Testing and Adjusting, "Electrical Components and Connector Locations" and the machine Electrical Schematic.

2. Turn the keyswitch to the RUN position.

3. Start Cat ET.

   Cat ET will initiate communications with the ECMs

4. Cat ET will list the available ECMs on the machine.

5. Follow the Cat ET instructions.