ELECTRONICS GP-MACHINE 3261849 - Caterpillar

Test Step 4. VERIFY THAT THE PL421 MODULE IS CONFIGURED PROPERLY.
AGo to the "APN Configuration" screen.BVerify that the "APN Cellular Carrier" is configured to the correct cellular service provider.CVerify that the "APN Username" is configured to the correct cellular network. Refer to cellular provider for correct APN info.DVerify that the "APN Password" is configured with the correct password for cellular network. Refer to cellular provider for correct APN info.EVerify that the "APN SIM PIN" is configured with the correct SIM Card PIN. Refer to SIM Card Provider to determine and program SIM PIN.Expected ResultAll settings are correct.Results
OK - The PL421 module is configured correctly. Proceed to ""Test Step 5. VERIFY THAT THE PL421 MODULE HAS NOT BEEN TURNED OFF."".
NOT OK – The PL421 module is not configured correctly.RepairCorrect the configuration of the PL421module. The "APN Configuration" can be verified in the "Cellular Network Coverage Status" within "GSM Information" of the service tool.STOP.Test Step 5. VERIFY THAT THE PL421 MODULE HAS NOT BEEN TURNED OFF.
AGo to "Status Parameters" of the service tool.BVerify the "Possible Device Power Disconnection" is labeled as "No".Expected Result"Possible Device Power Disconnection" is labeled as "No".Results
OK - The "Possible Device Power Disconnection" is labeled as "No". The ECM has operated since successfully transmitting the last report. Proceed to ""Test Step 6. CHECK FOR "ACTIVE" OR "LOGGED" CODES FOR THE ECM."".
NOT OK - The "Possible Device Power Disconnection" is labeled as "Yes". The ECM has been disconnected from power and transmissions have been prevented. The power loss could explain the failure to get any messages.RepairTurn on the unit. STOP.Test Step 6. CHECK FOR "ACTIVE" OR "LOGGED" CODES FOR THE ECM.
AFollow the steps in ""Connecting a Computer to the ECM"" to connect a laptop computer to the ECM.BGo to the menu bar for the service tool. Select the "Diagnostics" tab. From the drop-down menu, choose the type of code. Choose "Active Codes" or "Logged Codes".Results
OK - There are no "active" or "logged" diagnostic codes. Proceed to ""Test Step 7. CHECK THE INSTALLATION OF THE ECM."".
NOT OK - An "active" or "logged" diagnostic code exists.RepairRefer to Systems Operation, Troubleshooting, Testing and Adjusting, REHS8143, "Diagnostic Code List", to correct possible problems.STOP.Test Step 7. CHECK THE INSTALLATION OF THE ECM.
Observe installation of the ECM. Verify that the ECM is not enclosed in metal. The ECM must be in a location that is free from interference. Examples of interference include the following items
Devices on the roof of the machine that could potentially be sources of radio frequency interference.
Other communication antennas that are close to the ECM.
The machine is inside a metal building or another similar structure.
The machine is under large signs that are lighted.
The machine is under power lines.Expected ResultThe ECM is not enclosed completely in metal.Results
OK - The ECM is installed properly. Verify that all of the connections for the ECM are tight. Proceed to ""Test Step 8. VERIFY THAT THE PL421 HAS AN ACTIVE SUBSCRIPTION."".
NOT OK - The installation of the ECM is not optimal. RepairAccept the current performance of