VALVE AS-CHECK 1W6987 - Caterpillar

Note: Factory passwords are only available to service technicians from an authorized Caterpillar® Dealership. Customers of Caterpillar do not have access to the Caterpillar Feature Protection System (FPS).Factory passwords are necessary to authorize access to certain screens in Cat® Electronic Technician (ET). Factory passwords are also used to access specific configuration parameters in the Electronic Control Module (ECM). If you change parameters that require factory passwords, the "Enter Factory Passwords" dialog box will automatically be displayed. This dialog box indicates that a factory password must be obtained before the change can be made.A hyperlink is available at the bottom of the dialog box that will simplify the entry of ECM information into the FPS. To use this hyperlink, the Personal Computer (PC) that is running Cat ET must be connected to the Internet. When the hyperlink is selected, the ECM information will automatically be transferred to the entry screen on the Caterpillar FPS.If the PC that is running Cat ET is not connected to the Internet, you may save the ECM information to a file. This file can be opened when the PC is connected to the Internet and a hyperlink will be displayed. When you select the hyperlink, the ECM information will automatically be transferred to the entry screen that is on the Caterpillar FPS.Factory passwords may be required to perform each of the following functions in Cat ET:ECM Replacement - When an ECM is replaced, the system configuration parameters must be programmed into the new ECM. The new ECM will allow specific parameters to be programmed once without the use of factory passwords. Parameters that are protected by factory passwords may require that you obtain factory passwords during an ECM replacement.Rerate Engine Power - An engine power rerate may require changing the interlock code, which is protected by factory passwords.Software Enabled Attachments - Your application may have special features that can be enabled with Cat ET. This customized software is available to provide enhanced operation for your application. These features may also require the installation of additional hardware on the application. A cost may be associated with these software enabled attachments. Factory passwords are necessary to enable this software.Customer passwords - Factory passwords are required to restore customer passwords and factory passwords are required to reset customer passwords.Set Configuration parameters - Factory passwords are required to modify specific configuration parameters. Refer to Troubleshooting, "Configuration Parameters" for details that are related to the parameters for your application.If factory passwords are needed to change a parameter, Cat ET will prompt you for the password when the change is attempted. Newer versions of Cat ET display an icon of a padlock that is used to indicate that a parameter requires a factory password for modification.Clear engine events and certain diagnostic codes - Some engine events require factory passwords to clear the code from ECM memory. For example, factory passwords must be obtained to clear a code that is related to an engine overspeed condition. Clear these codes only when