SPRING 0875166 - Caterpillar

The Caterpillar Electronic Technician (Cat ET)
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Connections for the Caterpillar Electronic Technician (Cat ET)
The Cat ET service tool is a software program that is used in order to perform the following:
Access data that is used by an ECM to control a machine system.
View data that is used by an ECM to control a machine system.
Monitor data that is used by an ECM to control a machine system.
Change the data that is used by an ECM to control a machine system.The service technician can use the Cat ET in order to perform maintenance on the machine. Some of the options that are available with the Cat ET are listed below:
View the active diagnostic codes and logged diagnostic codes. See Troubleshooting, "Using the Caterpillar Electronic Technician to Determine Diagnostic Codes".
Viewing the active event codes and logged event codes
View the status of parameters.
Clear logged diagnostic codes
Perform calibrations of machine systems.
Program the ECM (Flash). This is done with the "WINflash" program. See Testing and Adjusting, "Electronic Control Module (ECM) - Flash Program".
Print reports.The following list contains some of the diagnostic functions and programming functions that are performed by the service tools.
The failures of the ECM system are displayed.
The status of most of the inputs and the outputs are displayed.
The settings for the ECM are displayed.
Display the status of the input and output parameters in real time.
Display the clock hour of the internal diagnostic clock.
The number of occurrences and the clock hour of the first occurrence and the last occurrence is displayed for each logged diagnostic code.
The definition for each logged diagnostic code and each event is displayed.
Load new FLASH software.See Troubleshooting, "Diagnostic Code List" for the list of diagnostic codes for the ECM.
Active diagnostic codes
Logged diagnostic codesEvent Codes
Logged Event Codes
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Typical ET screen for logged events
An indicator for logged events is provided. The indicator allows the service technician to keep track of event codes that are intermittent. The data for the logged event will include the following information:
An event identifier (EID)
A text description of the problem
The number of occurrences of the problem
A time stamp will display the first occurrence of the problem.
A time stamp will display the last occurrence of the problem.Status Groups For The Electronic Technician
The Status groups are lists of machine parameters. The status of the parameters are shown in real time.
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Typical ET Status Screen
Messenger
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Messenger Display Module
The display of messenger is located on the right console inside the cab. The Messenger monitors the operation of the machine.The Messenger allows the technician to access the following diagnostic information:
View Logged Events and Diagnostic Codes.
View Active Events and Diagnostic Codes.
View the status of system components.
View the system parameters.Some warnings will generate a detailed message that will appear on the Messenger display.Accessing Diagnostic Codes With The Messenger
Perform the following steps in order to view the active diagnostic codes and perform the following steps in order to view the logged diagnostic codes:
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Messenger Main Menu
From the Messenger Main Menu page, scroll to "Service" menu and press the "OK" button.
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