How to Use CAT ET 2025 to Perform Override Parameters Test?

This instruction show you guide on how to use CAT ET 2025A to perform override parameters test for Caterpillar machine.The Override Parameters function allows the Value and Mode of the override parameter to be viewed and changed. This function puts parameters in and out of override mode.

The parameters that are changed to override mode stay in this mode until they are disabled in the Override Parameters screen or until the ECM is turned off. When the ECM is turned off or a different service tool function is accessed, the ECM parameters are reset back to their normal settings.

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Accessing

To run the Override Parameters function, select ‘Diagnostic Tests” from the Diagnostics menu, and then select “Override Parameters” from the submenu. The Override Parameters screen is displayed.

Screen Layout

The Override Parameters screen has the following areas:

Display Area

The Override Parameters display area has four columns:

Description – Provides the name of the parameter

Value – Displays the status of the current parameter

Unit – Displays the unit type by which the parameter value is measured

Mode – Displays if the parameter is in “Normal” or “Override.”

Note: Some of the products may include a Status Parameter Area above the display area. This area lists parameters and their current values.

Buttons

The buttons available in the Override Parameters screen are:

Change