ENGINE AR-CORE 2033794 - Caterpillar

Checking the System Diagnostics
Use the "Diagnostics" dialog in order to look at the status of the AccuGrade devices that are connected to the CAN bus.In order to access the diagnostic information, complete the following steps.
From the "Setup Menu - Configuration" dialog, press the Down arrow until "Diagnostics" is highlighted.
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Press the "OK" key. The "Diagnostics" screen appears. Refer to Illustration 1.The screen displays a list of devices that are currently connected to the AccuGrade System. The screen also shows the current status of each of the devices. If the device is detected, the device's firmware version appears in the "App." column. If the device is not detected the status is shown as "Not Found".The following devices are listed for AccuGrade Systems that are configured for dual GPS:
Display
GPS Receivers
Valve Control Module
Implement Valve Control ECM
Data RadioNote: Certain models are not equipped with a Valve Control Module.
Press the "Recheck" soft key in order to recheck the devices and see if all of the system devices are connected and responding.Display
The display can show several status messages that may indicate various problems with the AccuGrade System.The display can also show several status messages that may indicate various control problems with the AccuGrade system.The display is capable of saving screen shots. This could be useful in capturing warning messages or other diagnostic information. A snapshot of the screen can be captured by pressing the "Menu" key and the hard key that is next to the fourth soft key. The snapshot of the screen will be saved in the root directory of the data card.The file that is created is called a ".zsnap". The ".zsnap" contains that following information:
Screen shot of the active screen
CAN log
Diagnostics
Machine settingsThis file should be sent to Caterpillar via the Technical Communicator.Caterpillar Electronic Technician (ET)
Caterpillar Electronic Technician (ET) is used in order to troubleshoot the Electrohydraulic (E/H) controls and remote switches. ET is also used to display the AccuGrade sensor data.
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The Caterpillar Electronic Technician (ET) is a software program that is used to access data. The service technician will use the ET in order to perform the maintenance on the machine. Some of the options that are available with the Caterpillar Electronic Technician are listed below:
Diagnosis of problems
Viewing diagnostic codes
Viewing active event codes and logged event codes
View the status of parameters.
Clear active diagnostic codes and clear logged diagnostic codes
Perform calibration of machine systems.
Program the ECM (Flash). This is done with the WINflash program. Refer to Testing and Adjusting, "Electronic Control Module (ECM) - Flash Program" for additional information.
Print reports.Refer to Troubleshooting, "Using the Caterpillar Electronic Technician to Determine Diagnostic Codes" for additional information. Diagnostic information is accessed with the following drop down menus:
Active diagnostic codes
Logged diagnostic codes
Sensor data for the systemLogged Event Codes
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Logged events are provided with an indicator which is used to keep track of recurring or intermittent events. The data for the logged event shall include the following items: an event identifier (EID), a text description of the event, the number of occurrences of the event, a