26SI Series Alternator – Electronic Control Module (ECM) – Flash Program

Perform the following procedure in order to flash program Product Link. Product Link is flashed in order to upgrade the software. Flash programming of Product Link must also be done if Product Link has been replaced. The Caterpillar Electronic Technician (Cat ET) contains the program WinFlash®. WinFlash is used in order to load software into Product Link.

Refer to Systems Operation, Troubleshooting, Testing and Adjusting, “Configuration” in order to configure the following products:

  • PL121SR

  • PL300

Note: Two communications adapters are available in order to flash program the electronic control modules. The 7X-1700 Communications Adapter can be used, or the 171-4400 Communication Adapter II can be used.

PL321SR – The 171-4400 Caterpillar Communications Adapter II hardware is connected between the service connector for the machine and the PC serial port or the PC parallel port. The Cat ET “Communications Interface Device” is configured for “Caterpillar Communications Adapter II (RP1210)”.

PL121SR – The 245-7310 Serial Service cable is to be used only for the configuration of the PL121SR radio system.

Note: Only the 171-4400 Caterpillar Communications Adapter II is to be used for the PL321SR ( PL121SR plus PL300) system configurations.

Note: DO NOT USE the 171-4400 Caterpillar Communications Adapter II for the PL121SR system.

Note: DO NOT USE the 245-7310 Serial Service cable for the PL321SR system.

PL121SR System

Flash Program the PL121SR Radio Module

The following steps explain the flash procedure for the PL121SR. RADIO ONLY system

  1. Procedure to connect a laptop computer to the machine
    1. Connect the 245-7310 Serial Service cable between the laptop computer and the serial service connector on the wiring harness of the machine.
  1. Select “Utilities” on the menu bar.
  1. From the drop-down list, select “Preference”.



    Illustration 1 g01138570

  1. If the “Communications” tab has not been automatically selected, select the “Communications” tab. Click on the drop-down menu in order to expand the menu. Select “Caterpillar Embedded Communication Adaptor”.



    Illustration 2 g01138571

  1. Select “Service” on the menu bar. Select “Product Link Flash” from the drop-down menu.



    Illustration 3 g01134115

    “Product Link Flash” Screen

  1. After the following screen appears, click “Browse”.



    Illustration 4 g01134116

  1. Click on the appropriate file.



    Illustration 5 g01134117

    “File Screen”

  1. Click “Begin Flash”.



    Illustration 6 g01134118

  1. The following screen will appear.



    Illustration 7 g01134121

  1. The following screen should appear once program “flashing” is complete.



    Illustration 8 g01134122

  1. Click “OK”.
  1. The “Connect” icon should change from being grayed out to active. Click the “Connect” icon on the tool bar in order to return to Cat ET. Refer to the arrow in Illustration 9. (You may also select “File” on the menu bar, then click “Connect” from the drop-down menu.)

PL321SR System

Flash Program the PL121 Radio Module

WinFlash is used in order to load the software. The following steps explain the process in order to flash program the PL300.

  1. Select the “ECM Summary”Screen.



    Illustration 9 g01133998

    PL300 “System ECM Summary” Screen

  1. In a PL321 system, in order to flash the PL121SR (radio) by using the PL300 ECM, select “Service” menu bar and then select “Subsystem Module Programming”.



    Illustration 10 g01134106

    “Subsystem Module Programming” Screen

  1. The “Subsystem Module Programming” screen should appear.
Posted in D6Tagged