794 AC Off-Highway Truck Electronic Control System Caterpillar

A Machine Electronic Control Module (ECM) must be configured at the time of installation. The ECM will not function properly if the control module has not been configured. When the ECM is configured, the model number of the machine is set.

Cat^® Electronic Technician (Cat^® ET) Service Tool is used to access the configuration screen . A message on the Cat^® ET screen will give instructions that guide the user through the procedure.

Cat^® Electronic Technician (Cat^® ET) Service Tool Configuration Procedure

1. Turn the key switch to the OFF position.

2. Connect Cat^® ET the service tool connector.

3. Turn the key switch to the ON position.

4. Select the Machine ECM.

5. You are on the main menu. Select the "Service Configuration" menu item. Double-click to select the appropriate sales model.

6. Select a sales model.

   Note: After selecting the correct sales model, Cat^® ET will exit out of the configuration menu.

7. Cycle power with the key switch. Leave the key switch in the OFF position for a minimum of 10 seconds.

8. With the key start switch returned to the ON position, Cat^® ET will initiate communications with all ECM modules on the machine.

9. Select the Machine ECM.

10. From the main menu, select the "Service Configuration" menu item.

11. Click the "Data Link Disconnect" button.

12. Disconnect Cat^® ET from the service tool connector.

13. Turn the key switch to the OFF position.