HEAD 6E6574 - Caterpillar

Operation Description:This procedure should be performed when the machine is in the Travel Mode and the Machine Control ECM will not activate the Economy Mode or the Power Mode.Test Step 1. CHECK FOR INSTALLATION OF A GENERATORCheck to verify whether the machine has a Generator installed. When an attachment Generator is installed, enabled and selected as the active tool, the Machine Control ECM will automatically activate the Travel Mode in order to provide more engine output for the Generator.Expected Result:A Generator is installed, enabled and selected as the active tool.Results:
YES - A Generator is installed, enabled and selected as the active tool. When another tool is selected as the active tool and the Generator is disabled, the ECM will activate the selected mode of operation.STOP
NO - A Generator is not installed or is not enabled and selected as the active tool. Proceed to Test Step 2.Test Step 2. CHECK FOR COMMUNICATION ERRORSCheck the Monitor for an active communication error Event. The communication error Events do not have EID number assigned to them. The Monitor will display a communication error message on the display when one of the following errors occurs.
Machine Controller Communication
Engine Controller Communication
Soft Switch Panel Communication
CAN Data Link ErrorExpected Result:There are no active communications errors present.Results:
OK - There are no active communications errors present. Proceed to Test Step 3
NOT OK - An active communication error is displayed on the Monitor. Repair: All communications errors require inspection of the circuits of the CAN Data Link. Refer to Systems Operation, "Warning Operation". Troubleshooting for communication errors is discussed under the title "Monitor Communication Errors"STOPTest Step 3. ATTEMPT TO ACTIVATE THE ECONOMY MODEPress the Power Mode Button on the SSP in order to attempt to activate the Economy Mode and illuminate the corresponding LED indicator.Expected Result:The LED for the Economy Mode turns ON steady and does not flash.Results:
OK - The LED for the Economy Mode turns ON steady and does not flash. The ECM has activated the Economy Mode. If it is still perceived that the hydraulic response for the Travel Mode is active, proceed to Test Step 4.
NOT OK - The LED for the Economy Mode will not turn ON or the LED for the Economy Mode turns ON and flashes. The ECM will not activate the Economy Mode. Proceed to Test Step 5.Test Step 4. CHECK THE POSITION SENSOR SIGNAL FOR THE TRAVEL PEDAL
Connect a computer that has the Caterpillar Electronic Technician (Cat ET) software installed to the machine's service connector and establish communication with the Machine Control ECM.
Do NOT press the Travel Pedal. In the "Status " menu, select "Status Group #6". Check the status of the "Straight Travel Pedal Position".Expected Result:When the Travel Pedal is not pressed, the pedal position status is 0.00 (Not Depressed or 50 percent duty cycle).Results:
OK - When the Travel Pedal is not pressed, the pedal position status is 0.00 (Not Depressed or 50 percent duty cycle). The ECM is not indicating that the Travel Pedal is depressed. Proceed to Test Step