450E Backhoe Loader Machine Electronic Control System Calibration Caterpillar

Using AVSpare Electronic Technician

The AVSpare Electronic Technician service tool is used in order to access the calibration procedures. For more information, refer to the manual that was provided with the ET.

The calibration menu is used in order to compensate for the differences in the mechanical components and the electrical components. The calibration should be performed if the ECM has been replaced or the ECM was removed. The calibration should be performed if components have been replaced or removed. Perform all calibrations that are applicable.

Accessing Calibrations

Connect the ET to the machine. After communication has been established, the ET will list the electronic control modules that are on the machine.

Note: The ECM must detect specific setup conditions before beginning the calibration procedure. If a setup step is not met, the calibration procedure is aborted.

1. Select the Machine ECM.

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Illustration 1	g01219834
Typical screen for accessing calibrations

2. Select "Service" from the main menu.

3. Select "Calibrations" from the drop-down menu.

   The following is a list of all possible calibrations that can be performed with ET. The specific calibrations will differ across sales models or machine configurations.

   • "Swing Angle Sensor"

   • "Loader Joystick Thumbwheel"

   • "Left Hoe Joystick Thumbwheel"

   • "Right Hoe Joystick Thumbwheel"

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4. From the fly out window, select the desired calibration procedures.

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Typical screen for performing calibrations

5. Follow the instructions that are provided on the screen.

   Note: Additional screens will be displayed to notify the operator of the status of the calibration procedure.