5
Step 3
Plug MaptunerX in to your computer and click the
Synchronize button. MaptunerX will now go online
and update rmware.
To update MaptunerX press
the Synchronise button
Step 4
When programming to the ECU of 300 HP models its very
important that you remove the fuses for the IBR and IBR monitor
systems or else the programming might fail and you will need to
recover the ECU. (Fig. 1)
Important when tuning 300 HP models
30
30
15
15
10
10
10
10
3
3
3
3
30
5
Remove the marked fuses
during progrmaming.
Remember to reconnect
them after ashing is com-
plete. See (Fig. 2 - 7 for
location)
1