Print MAPS to a printer.
Read the data MAP from the ECU into the PC Software.
Write to ECU – Write de ECU data into the Flash memory to make the changes permanent.
Lock the Data Maps and change the Customer Code.
Enable or disable the mouse pad for adjustments on the tuning graphs.
Information on the Developer and the ECU.
Quit the Program.
Do adjustment only where the real-timer bars are on the different graphs.
ECU is Online and can be adjusted.
ECU is offline.
6.2 Connecting a PC to the ECU
Connect the optional serial cable or RS232 converter cable to your laptop or PC and to the ECU.
(Remember to break out pins 1,4,6,7,8 & 9 if it is not a Spitronics USB converter)
Switch the ignition on and check if the yellow LED is on. Open the ECU PC software. If the ECU is
connected the PC software will pick it up on the Com port automatically and connect to it. If it did
not, check your connections again. Note that if you use the USB converter cable, that the com port
must be Com 10 or lower. You can correct this in the Device Manager of Windows XP. You are
now ready to begin with the tuning on your ECU.
6.3 Changing the USB Comport in Windows Device Manager
One some laptops, Windows will install the USB on a Com Port higher than 10. This is a Windows
driver problem and then the Com Port is not detected automatically. You need to change it to
lower than 11. Follow these steps:
1. Left click on Start (left bottom)
2. Right Click on My Computer (or in desktop My Computer)
3. Click on Properties
4. Click on Hardware
5. Click on Device Manager
6. Click on Ports (Com & LPT)
7. Right Click on Prolific USB to Serial Com Port (Com 11or higher)
8. Click on Properties
9. Click on Port Settings
10. Click on Advance
11. Select a Com Port lower than 11 (if all is in use choose 5 to 10 and press OK)
12. Click on OK and close
6.4 Memory operation of the ECU
The figure below indicates how the ECU operates with temporary and permanent memory. When
the ECU is powered up, it will take the data maps from the permanent FLASH memory and save it
in the temporary RAM memory. This RAM is used by the processor for operation and the Laptop