12.3 Operation
To program the SPITRONICS TCU first connect the Programmer to the TCU Com Port. Connect
only the 12 Way connector and earth the TCU. Switch the ignition on. Click on the button to
connect.
The download button will become active, click on it.
Now use the Browse button to select the correct HEX file on the hard disk or CD. Do not at any
stage press the Erase all code space button.