Viezu V-Switch User manual

2012
Viezu Technologies Limited
www.viezu.com
V-Switch Instruction Manual

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Contents
Important Instructions ................................................................................................................. 3
Operational Instructions ..................................................................................................................... 3
Pre-Service Instructions ...................................................................................................................... 3
Future se of the Tool ........................................................................................................................ 3
V-Switch User Guide .................................................................................................................... 4
Installing the V-Switch Software ......................................................................................................... 4
Setting up your V-Switch to read your vehicle ................................................................................... 9
Reading your car ............................................................................................................................... 16
Downloading the Original Read from the V-Switch .......................................................................... 20
ploading Modified Files to the V-Switch ........................................................................................ 24
Writing to the car .............................................................................................................................. 25

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Important Instructions
Operational Instructions
NOTE: When using the V-Switch on your vehicle please ensure the following when reading or
writing from the vehicle
 Do not open or close the vehicle s doors, boot or bonnet.
 If the vehicle has an Automatic gearbox ensure that the vehicle is in park.
 If the vehicle has a Manual gearbox ensure that the vehicle is in neutral.
 Make sure that all ancillaries have been turned off or disconnected from the vehicle.
 Ensure that you follow all on-screen instruction from the V-Switch device.
 Ensure that ignition stage 2 is properly engaged when prompted by the device.
 Ensure that the vehicle s battery is in good working condition.
 Do not remove the V-Switch device from the car when it is performing any operation.
Pre-Service Instructions
NOTE: If your vehicle is to be taken into a main dealer to be worked upon please ensure that
the Original file has been put back on the car. Main dealers may perform an ECU update on the
vehicle which may lock you out of your V-Switch device if the car has not been reverted back to
the Original tune beforehand.
Future Use of the Tool
NOTE: If you plan to use the tool on a different vehicle please ensure that the Original file has
been written back to the car before setting up the tool to use on another vehicle.

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V-Switch User uide
Inside your V-Switch package should be the following items:
 V-Switch Device
 SB Cable
 OBD Cable
 V-Switch introductory letter
Installing the V-Switch Software
The first stage of the V-Switch tuning process is to install the V-Switch software onto your windows
based Computer.
The computer, whether it is a desktop or laptop, will need to be of the following specification:
 Windows XP, Vista, Windows 7, Windows 8 or Windows 10
 Operate a 32 bit operating system or 64bit.
 It is not compatible with MAC computers or any non-windows operating system
 Memory and operating speed of at least 2GB
 Internet enabled
Download your V-Switch Software by navigating to www.viezu.com . On the homepage navigate to
the ‘Downloads’ drop down, then to “Software’. Once there right click on the ‘V-Switch Software’
link and click “Save link as” to download the software to your computer. The direct link to the Viezu
Software page is:-
http://www.viezu.com/viezu-downloads/software

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Double click on “v-switch.exe” This will open up the install wizard. (Depending on which version of
windows you are using these screens may look different, Windows XP has been used in this case)
Select “Next”

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Select “Install” to begin the installation process, this may take several minutes
Once complete you will asked to select the language for the software
In this case we have selected “ .S. English” and you will see the following screen.

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Select “Next” and it will take you to the following screen”
Close all other programs and Select “Next”

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Select next and the drivers for the v-switch will be installed; a terminal box may appear during this
part of the install
A dialogue box will then appear asking you whether you want to continue or not, select continue
anyway

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Select “Finish” and the software will automatically open.
Setting up your V-Switch to read your vehicle
Close the V-Switch software and connect your V-Switch device to your computer, this should
automatically bring up the found new hardware wizard

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Select “Yes this time only”
Select “Install the software automatically”

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The wizard will now look for the driver we installed earlier
Select continue anyway to continue with the driver install

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Once complete you will see the following window:
The V-Switch is now ready to use and the screen should be backlit and show the Viezu Logo.
The V-Switch software can now be re-opened.

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Select link to pair your V-Switch with the computer

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Once linked you need to select the vehicle that you will be tuning. In this case we are tuning a 2002
Volkswagen Passat 1.8 Turbo.
The V-Switch will now be programmed to read the car you select
Now you must select the language you require the tool to be in.

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The V-Switch is now programmed to your car and in the language you require

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The V-Switch software will now show which car the device is linked to. Now it is time to take the V-
Switch to your vehicle and connect via the OBD port
Reading your car
Now that the V-Switch software has been installed and the device linked to your computer and car,
it is time to plug into your vehicle and take a read of the car’s software.
To plug into your vehicle, locate the OBDII Diagnostics port; this is usually located on the driver’s side
of the vehicle, underneath the dashboard above the pedals, to the side of the pedals or under a
panel in the center console.

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PLEASE REFER TO YOUR MANUFACTURES VEHICLE MANUAL TO LOCATE YOUR OBD DIAGNOSTICS
PORT**(Or speak with your local Vehicle Franchised Dealer)
Once located, connect the V-Switch to the car using the OBDII cable that is provided.
Once plugged in, select “Read file from EC ” and follow the on screen instructions.
The device will then take you through a number of instructions and options. Most of these are
ignition stages, asking you to turn the ignition on:

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This is to ignition 2. Ignition 2 is the ignition stage just before the engine will turn over, an indication
that you have correctly selected ignition 2 is that the dash lights will turn on and the engine
management light will remain on.

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The reading process takes around 15 minutes, however depending on the vehicle can take more or
less time.
Once the read is complete, disconnect the V-Switch from the vehicle and plug it back into your
computer.
Please note*** Taking the read from your ECU will NOT affect the operation of your Vehicle.

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Downloading the Original Read from the V-Switch
Plug the device into your computer and open the V-Switch software
Select “Link” to pair the device to the computer