JET AS-PISTON COOLING 4N9881 - Caterpillar

Table 2
3. Check the Communication Adapter Firmware Version
Note: The communication adapter firmware version must be "3.0.0" or higher.
A. Disconnect Cat ET and verify that the "power" indicator on the communication adapter is illuminated.
B. Select the "Utilities" drop-down menu.
C. Select "Comm Adapter III Toolkit" from the menu.
D. When the dialog box for the tool kit appears, select the "Utilities" drop-down menu.
E. Select "Application Firmware Flash" from the menu.
F. Select the latest ".apf" file from the list.
G. Click "OK". Then, click "Begin Flash".
H. When the file is loaded, the "Flash Completed Successfully" message will appear.
I. Click "Toolkit". Verify that the "Application Firmware Version (Serial IP)" is "3.0.0" or higher.
J. Attempt to connect Cat ET.
Cat ET communicates on data links
OK - Cat ET communicates on data links.
Not OK - Cat ET does not communicate using data links.
Go to Step 4.
Table 3
4. Verify Cat ET Is Configured Correctly
Cat ET must be configured correctly to communicate on data links. Perform the following procedure:
A. Select the "Utilities" drop-down menu.
B. Click on the "Preferences" menu.
C. Select the "Communications" tab.
D. Verify that "Caterpillar Communication Adapter III (Serial IP)" is selected.
If "Caterpillar Communication Adapter III (Serial IP)" is not an option for selection, the version of Cat ET is incorrect. Ensure that version "2007B" has been installed.
If necessary, update the version of Cat ET. Then, perform this step again.
E. Verify that the port is correct.
F. Verify that the "Enable Dual Data Link Service" option is checked.
G. Click "OK".
Note: Cat ET must reconnect for any changes to be recognized.
H. Electronically disconnect Cat ET if changes were made to any of the settings for communications. Electronically connect Cat ET. Attempt to establish communication. Observe the indicators on the communication adapter. A "limited support" warning should not be displayed. The "J1939 / DeviceNet" indicators should be flashing. If these indicators are flashing, Cat ET is communicating on data links.
Cat ET communicates on data links
OK - Cat ET communicates on data links.
Not OK - Cat ET does not communicate on data links. The "POWER" indicator is not illuminated.
Go to Step 5.
Not OK - Cat ET does not communicate on data links. The "POWER" indicator is illuminated.
Go to Step 6.
Illustration 1 g01430920
Service tool connector power terminals
(Terminal A) +Battery
(Terminal B) −Battery
Table 4
Troubleshooting Test Steps Values Results
5. Check the Electrical Power to the Communication Adapter
A. Check for battery voltage at the service tool connector. See Illustration 1.
Battery voltage is present
OK - Battery voltage is present at the service tool connector.
Repair: Verify that the cable between the service tool connector and the communication adapter is OK.
Replace the cable, if necessary.
Replace the communication adapter if the following conditions exist:
There is power at the harness connector for the communication adapter.
- The communication adapter's "POWER" indicator is not illuminated.
STOP
Not OK - Battery voltage is not present at the service tool connector.
Repair: Inspect the application wiring and fuses.
Determine the cause of the missing voltage.
Make the necessary repairs.
Attempt to establish communication after the electrical power is at the service tool connector.
Go to Step 6 if the service tool will not communicate