U
ser’s Manual
How do I know what the Options do?
In section
3.4
there is a list of options. The options and their functions and are also explained. For suggestions on using any
of these options, refer to a custom tuning dealer.
NOTE: Adjustable Options vary for each vehicle and are not available on all vehicles
3.2
Installing a Custom Tune File
1.
Connect the X4 to your vehicle’s OBD II service port u
sing the OBDII cable provided in the
packaging.
2.
With the unit powered on and connected to the vehicle, highlight and select the “Program
Vehicle” option.
3.
Next you will be prompted with a “Street Use Notice” which you must agree to. If you
approve and agree,
press the
center button on the keypad to select “Continue” to proceed.
4.
You may be prompted to “Turn Key On”. If so, please turn the ignition key to the “On”
position but do not start the
vehicle. Highlight and select “Continue”
5.
A screen will appear asking you to select your vehicle. Using the Down arrow key, scroll to
the section labeled “Custom
Tune(s)”. Highlight and select the desired custom tune to
transfer to the vehicle.
6.
Next you will be prompted to adjust options if any are available within the custom tune.
These options are parameters
available from SCT Dealer to make minor adjustments to the
calibration being loaded. It is not necessary to make
adjustments in this area. If you wish to
make an adjustment, simply press the option you would like to change and the
screen will
change to display the available values for that option. When you are satisfied with the
values of these options or
if you do not wish to change them, simply press
“Approve”
.
7.
You will now be prompted with a screen to review your vehicle and options (if any
selected). Press “Continue”.
8.
The next screen, possibly two, will differ between vehicles.
You will be prompted to “Turn
K
ey Off” and/or “Turn Key
On”. It’s important here to follow the prompts from the device.
9.
X4 will no
w download the current file that is in your vehicle, referred to as the “Stock File”,
and will proceed to upload the
new calibration you have selected, with all options applied if
you have selected any, to your vehicle.
10.
After this is complete the device wi
ll display a “Download Complete” screen. You can now
turn the key to the off position
and select “Done”.
11.
For GM vehicles you may see a “Power Down ECU” screen while the vehicle completes
some power down procedures.
12.
You have now successfully tuned your vehicle!
Custom tunes are built by SCT’s network of Custom tuning Dealers and any questions related to
them need to be directed toward the
tuning dealer.