Caterpillar Machine Repair Guide

CAT ET 2024A Power Shift Pressure Test function checks whether that the proportional reducing valve is activating with a current signal from the controller. This function also allows the power shift pressure signal to remain constant at a desired pressure level. The constant power shift pressure signal is necessary to allow testing and adjusting procedures to be performed to line relief valves.   Related Contents: Cat ET 2024A CAT SIS 2021 Cat Adapter 3 Accessing To access the diagnostic test, select “Diagnostics” from the Service menu, and then select the desired test from the submenu. Note: The Diagnostic Test Status box is displayed after each component has been tested or when the Cancel button has been selected in the diagnostic test screen. The status results are displayed as “Success,” "Pending," "Failed," or "Cancelled".   Screen Layout The diagnostic test screen consists of the following areas:   Status Parameter Area The status parameter area lis...

Caterpillar ET 2024A 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.   Related Contents: Cat ET 2024A CAT SIS 2021 Cat Adapter 3 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.

CAT ET 2024A Misfire Detection function is used to determine if a single cylinder is misfiring through the use of a graphical display of a specific parameter for the selected cylinder. This selected parameter is dependent upon the engine and what parameter can best display whether a cylinder is misfiring.    Related Contents: Cat ET 2024A CAT SIS 2021 Cat Adapter 3   Accessing To run the Misfire Detection function, select “Diagnostic Tests” from the Diagnostics menu, and then select “Misfire Detection” from the submenu. The Misfire Detection screen is displayed. Screen Layout The Misfire Detection screen has the following areas:   Cylinder Selection Area The Misfire Detection cylinder drop-down lists the different cylinder numbers available. Selecting a new cylinder number causes the graph to redraw.   Graph Area The time in seconds (default 30 second intervals) is displayed on the X-axis, and the graphed parameter for the selected cylinder is displayed on the ...