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"Full Load Setting"
The "Full Load Setting" is a number that represents the adjustment to the fuel system that was made at the factory in order to fine tune the fuel system. If the ECM is replaced, the "full load setting" must be reprogrammed."Full Torque Setting"
"Full Torque Setting" is similar to "Full Load Setting". If the ECM is replaced, the full torque setting must be reprogrammed."Rating Interlock"
The "Rating Interlock" is a code that prevents the use of an incorrect power rating and/or an incorrect emission certification for a specific engine. Each power rating and each emission certification has a different code to all other horsepower ratings and emission certifications.When an ECM is replaced, this rating interlock code must match the code that is stored in the ECM. If the rating interlock code does not match the code that is stored in the ECM, both of the following situations will exist:
The engine will not run.
The diagnostic code 253-2 will be active.Note: The flash programming of a new rating interlock code replaces the old rating interlock code.This parameter does not need to be programmed when the replacement ECM is for the same engine rating.If the ECM is for a different engine rating, then the following components may need to be changed: pistons, fuel injectors and other components. The engine information ratings plate must also be changed in order to reflect the new rating.Some systems such as the cooling system or the transmission may also require changes when the engine is rerated. Contact a Caterpillar dealer for further information."Engine Serial Number"
When a new ECM is delivered, the engine serial number in the ECM is not programmed. Program the "Engine Serial Number" to match the engine serial number that is stamped on the engine information plate."ECM Software Release Date"
This parameter is defined by the rating interlock code and this parameter is not programmable. The "ECM Software Release Date" is used to provide the version of the software. The customer parameters and the software change levels can be monitored by this date. The date is provided in the month and the year."Mode Switch Setup (If Equipped)"
The mode switches can be used to change the performance characteristics of the engine. The Caterpillar Electronic Technician (ET) is used to program the characteristics. Select the "Service" drop-down menu and then select "Engine Operating Mode Configuration". A maximum of two switches can be used. Switch Return."Number of Switch Inputs"
This is the total number of switches that will be used. The switches can be individual switches or a multiple rotary switch.
Table 1
Range Default
0 to 2 0 "Mode Selection Number"
This parameter is a non-programmable parameter that represents the number of possible combinations of switch positions. This parameter is based on the value that is programmed into the "Number of Switch Inputs" parameter."Mode Selection Switch Input 2" and "Mode Selection Switch Input 1"
The number of these non-programmable parameters that are visible depends on the value that is programmed into the "Number of Switch Inputs" parameter. "Open" signifies that the switch is in the OFF position. "Ground" signifies that the switch is in the ON position."Mode Enable"
If "Yes" is selected on the drop-down menu, the ECM is programmed to use the values that are programmed into "Rating Number", "Throttle 1 Droop Percentage", "Throttle 2 Droop Percentage" and "TSC1 Droop Percentage" for the given combination of switch positions.
Table 2
Values Default Factory Password
Yes
No No Yes "Rating Number"
This parameter is the engine rating that is used by the ECM for a given combination of switch positions. There is a maximum of four ratings in a flash file.
Table 3
Range Default Factory Password
1 to the maximum number of ratings in the currently installed flash file 1 No "Rated Speed (RPM)"
This parameter represents the engine speed that is selected when the mode switch or the mode switches are in a particular position."Throttle 1 Droop Percentage"
This parameter represents the amount of droop that is applied to the "Throttle 1" input.
Table 4
Range Default Factory Password
0 to 10 percent 5.0% No "Throttle 2 Droop Percentage"
This parameter represents the amount of droop that is applied to the "Throttle 2" input.
Table 5
Range Default Factory Password
0 to 10 percent 5.0% No "TSC1 Droop Percentage"
This parameter represents the amount of droop that is applied to the "Torque Speed Control 1(TSC1)" input.
Table 6
Range Default Factory Password
0 to 10 percent