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PLATE AS 4Z6474 - Caterpillar



4Z6474 PLATE AS Caterpillar parts PLATE
Rating:
26
Alternative (cross code) number:
CA4Z6474
4Z-6474
4Z6474
Caterpillar 4Z6474 PLATE AS
Weight: 12 pounds 5 kg.

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Using Cat® Electronic Technician (Cat ET) Service Tool to Determine Diagnostic Codes
Illustration 1 g02453193
Cat® Electronic Technician (Cat ET) Service Tool connector.Perform the following steps to determine diagnostic codes with the Cat® Electronic Technician (Cat ET) service tool:
Connect Cat ET to the machine.
Turn the keyswitch ON.
Start Cat ET.Cat ET will initiate communication with the electronic control modules (ECMs) on the machine. After communication has been established, Cat ET will list the ECMs.
Select the desired ECM.
After the diagnostic codes have been determined with Cat ET, see the test procedure for the desired diagnostic code.ReferenceTroubleshooting, "Service Tools".Active Diagnostic Codes
Illustration 2 g02355999
Typical Cat® Electronic Technician (Cat ET) Service Tool screen for active diagnostic codes.The following procedures may cause new diagnostic codes to be logged. Therefore, before any procedures are performed, make a list of all the active diagnostic codes to determine the system problems. When each procedure is complete, clear the diagnostic codes that were caused by the procedure.Note: Before performing a procedure, always check all the circuit breakers. Repair the cause of any circuit breaker that has tripped.A screen is provided in Cat ET for active diagnostic codes. Active diagnostic information shall include a Suspect Parameter Number (SPN), a Failure Mode Identifier (FMI), and a text description of the problem.Logged Diagnostic Codes
Illustration 3 g02356001
Typical Cat ET screen for logged diagnostic codes.A screen is provided in Cat ET for logged diagnostic codes. Cat ET will log diagnostic codes that are intermittent. The logged diagnostic data will include a Suspect Parameter Number (SPN), a Failure Mode Identifier (FMI), and a text description of the problem. Also, the logged diagnostic data will include the number of occurrences of the problem and two time stamps. The time stamps display the first and the most recent occurrence of the problem.Diagnostics are logged in non-volatile memory. On powerup, the ECM will clear any diagnostic codes that have not been detected or active within the last 150 hours of machine operation. Using the Operator Monitor to Determine Diagnostic Codes
Illustration 4 g03789904
Perform the following steps to access the Diagnostics screen from the Service Menu:
Use the Arrow buttons to highlight a Diagnostics option.
Press the "OK" button to access the Diagnostics screen.The Diagnostics screen shows a complete list of all active and logged diagnostic codes. Each line on the list shows the following:
MID
CID
FMIThe display also shows the following:
Number of occurrences
The time (service hour) of the last occurrence
Status: Active/LoggedPerform the following steps to access the codes and events from the Diagnostics screen:
Use the Arrow buttons to highlight a specific code (line on the list).
Press the "OK" button to display the line detailed view. The detailed view provides the following information:
The reporting ECM (MID)
Identity of the failed component (CID)
The failure definitionNote: The codes and the events that are displayed in the Diagnostics option can be viewed at any time. Codes can be cleared with Cat® Electronic Technician (Cat ET) Service Tool.


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