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1. Connect the power supply cable to the GDS tool or to the diagnostic terminal with the GDS
docked.
*NOTICE
If attempting to perform ECM upgrade with power supply cable disconnected from the GDS tool, be
sure to check that the GDS tool is fully charged before ECM upgrade. If the GDS tool is not fully
charged, failure to perform the ECM upgrade may occur. Therefore, it is strongly recommended
that the power supply be connected to the GDS tool.
2. Connect the USB cable between the VCI and the GDS tool.
NOTICE
When performing the ECM upgrade using the GDS tool, wireless communication between the VCI
and GDS tool is not available. Connecting the VCI to the GDS tool with the USB cable is required.
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