MSS3s Machine Security System Caterpillar


Software - Uninstall - "Immobilizer" Feature

Usage:

120G 11W
The "Uninstall" feature of the Machine Security System MSS allows the user to uninstall the Immobilizer feature from other electronic control modules.

The MSS3s ECM should be removed after the immobilizer software has been successfully uninstalled. If the MSS3s ECM is not removed, the LED for the status of the MSS will give a false indication.

The "Uninstall" screen for the Machine Security System consists of the areas that are listed below:

"Status Line" - The "status line" displays messages regarding the process of this function.

Display Area - The "Uninstall" display for the Machine Security System consists of two columns. The two columns are the "ECM" column and the "Security System Status" column. The "ECM" column lists every ECM that is installed on the machine with the immobilizer feature. The "Security System Status" column lists the status of the immobilizer feature of the Machine Security System. The status of the immobilizer feature is either "Installed" or "Not Installed".

"Uninstall Button" - The "Uninstall" button starts the "Uninstall" process.

Perform the steps that are listed below in order to uninstall the Machine Security System:

Note: You will need to obtain a factory password in order to perform this procedure. A master electronic key will not allow the user to uninstall the Machine Security System. Refer to the Testing and Adjusting, "Factory Password - Obtain" section of this manual for information on obtaining a factory password.

  1. Connect a laptop Computer with the Caterpillar ® ET to the machine via the communication adapter.

  2. Place a key in the key start switch.

  3. Turn the key to the "ON" position.

  4. Start the Electronic Technician and establish communications with the MSS3s ECM.

  5. Obtain a factory password. Refer to the Testing and Adjusting, "Factory Password - Obtain" section of this manual for information on obtaining a factory password.

  6. Select the "Machine Security System Uninstall" option from the "Service" menu. This selection will cause the Cat ® ET to display the message that is shown in Illustration 1.


    Illustration 1g01097964
    Machine Security System Uninstall screen

  7. Click on the "Uninstall" button that is located at the lower left-hand corner of the "Machine Security System Uninstall" screen. This button will cause the ET to display the" Factory Password Screen" that is shown in Illustration 2.

    Note: A factory password is required to perform the "Machine Security System Uninstall". A master electronic key will not allow you to uninstall the Machine Security System. Refer to the Testing and Adjusting, "Factory Password - Obtain" section of this manual for information on obtaining a factory password.



    Illustration 2g03866606
    Factory Password screen

  8. The factory passwords are provided by the Factory Password System. Enter the factory passwords in the dialog boxes that are provided on the "Enter Factory Password" screen. Once the ET accepts the passwords, the screen shown in Illustration 3 will be displayed.


    Illustration 3g01097989
    Uninstall Confirmation screen

  9. Press the "Yes" button if you want to proceed with the "uninstall" of the Machine Security System. This button will cause the ET to display the message that is shown in Illustration 4.

    Note: Pressing the "No" button aborts the "uninstall" of the Machine Security System.



    Illustration 4g00831242
    Process in Progress screen

    Note: Once the Machine Security System has been successfully uninstalled, the ET will display the message that is shown in Illustration 5.



    Illustration 5g00916867
    Uninstall Successful screen

  10. Press the "OK" button in order to return to the "Machine Security System Uninstall" screen.

    Note: If the Machine Security System has not been successfully uninstalled, the ET will display the message that is shown in Illustration 6.



    Illustration 6g00921613
    Uninstall Failed screen

  11. Press the "OK" button in order to return to the "Machine Security System Uninstall" screen. The "Uninstall" button that is located on the "Machine Security System Uninstall" screen will be labeled "Retry". Press the "Retry" button in order to restart the uninstall.

  12. Turn the key switch to the OFF position.

  13. Remove the MSS3s ECM from the machine.

Note: If the MSS3s ECM is configured to control other devices, (start relay and/or main power relay), those devices must be reconnected in accordance with the machine Electrical Schematic.

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