CONTROL AR-PILOT HYDRAULIC 3912473 - Caterpillar

Message Display
Illustration 1 g03571956
Message Display for accessing diagnostic or event information (1) "Four way" button (2) OK button (3) "Back to previous screen" button (4) Main menu button (5) DisplayEvent and diagnostic codes alert the operator or technician that an abnormal operating condition exists in one of the machine systems.When an ECM activates an event or diagnostic code, the operator or the technician will be alerted by the Message Display. Most active events will be logged by the ECM. Some events are active only. Active only events are not logged. Diagnostic codes are also either logged or active. All event and diagnostic codes can be viewed with the following:
Message Display
Cat ® Electronic Technician (Cat ET)Accessing the Diagnostic and Event Menus
The monitoring system displays event codes and diagnostic codes in the service menu. The diagnostic codes and event codes are reported by the ECM.Access the service menu by using the following steps:
Go to the main menu by pressing the menu button (4) The main menu (5) will appear on the display module.
Scroll to "Service" with the 4-way button (1) .
Press the "OK" button (2) in order to view the service menu.
Scroll and select "Diagnostic " using the 4-way button (1) .
Access the diagnostic mode with the "OK" button (2) from the service menu.The events, active codes, and logged codes will now be displayed.View the codes and events in more detail by pressing the "OK" button (2) again.View all codes and events on the list by pressing the 4-way button (1) .
Press the main menu button (4) in order to "Exit" the service menu.For event codes, each line in each list shows the following:
Component Description
Warning LevelThe text message for the diagnostic codes will include the following:
The reporting ECM (MID)
Identity of the component that has failed (CID)
An explanation of the failure
Number of occurrences
The time (service hour) of the first occurrence
The time of the last occurrence of the code or event
The status of the codeTroubleshooting Procedures
The diagnostic codes can be viewed with the monitoring system display or with Caterpillar Electronic Technician (ET).Event Identifier (EID)
An event indicates a reading that is outside of normal operating ranges but within component limits. The data is seen as incorrect by the ECM but there is no fault in the component. An example might be a high oil temperature reading. The event will be identified by the ECM the EID and a time stamp.Component Identifier (CID)
The component identifier is a four-digit number that represents a particular component on the machine. For example, each solenoid that is connected to the Machine ECM has a number that is assigned. Refer to Troubleshooting, "Diagnostic Code List" for a list of all of the components of the machine control system.Failure Mode Identifier (FMI)
The codes for the Failure Mode Identifier are defined by the SAE standards. The following list contains a Caterpillar version of definitions.
Table 1
Failure Mode Identifier    
FMI    Description of Failure    
00     "Data valid but above normal operating range"    
01     "Data valid but below normal operating