HOSE AS 1366034 - Caterpillar

Connect cables (2) and (4) to communication adapter (3) .Note: The communication adapter will power up when the adapter is connected to a PC or to an ECM that is powered up.
Connect cable (2) to the USB port of the PC.
Connect cable (4) to a service tool connector.
Restore electrical power to the ECM. Verify that the "POWER" indicator on the communication adapter is illuminated. Make sure that the PC is powered up.
Establish communication between Cat ET and the ECM. If Cat ET indicates that there is more than one ECM, select the engine ECM.
If Cat ET and the communication adapter do not communicate with the ECM, refer to Troubleshooting, "Electronic Service Tool Does Not Communicate".
Cat ET displays a message that refers to a communication problem.
Cat ET displays "Error #142 The interface hardware is not responding".
Cat ET displays a message that indicates that the firmware in the communications adapter is old.Dual Data Link Communications (If Equipped)
When the connection of the communication adapter is complete, observe the communication adapter and Cat ET. Certain applications require that dual data link communications be established in order to perform various test procedures. These tests will be listed in the "Diagnostic Tests" menu, some tests may not be available (grayed out). If there are diagnostic tests that are unavailable in Cat ET, ensure that your service tool is communicating in dual data link mode.Use the following indicators to confirm that Cat ET is communicating on dual data links:
"J1939" indicator is flashing
"Cat Data Link" indicator is flashing
Cat ET is not displaying "Service tool support is limited"Refer to Troubleshooting, "Electronic Service Tool Does Not Communicate" if the "J1939" indicator and the "Cat Data Link" indicator are not flashing. Both indicators will be flashing during dual data link communications with the ECM.Communicating with the Wireless Communication Adapter (If Equipped)
Table 3 lists the optional hardware that is