Instructions And Answers to Frequently Asked Questions

Changing the back brakes in new cars with electric parking hand brakes (Passat B6, Audi A6, Audi A8)

Back to content Some new cars(for example. Passat B6 (3C), Audi A6 (4F), Audi A8 (4E) ) have electric parking (hand) brakes. Therefore it is impossible to change the brake pads on the back brakes without previously opening the back brakes with the help of diagnostics. First you have to open the electronic piston, with the help of diagnostics, close the pistons after all the work and in the end close the brakes and procceed with a function test.
Follow the instructions:

(Do not forget to plug in the alternator- doing so you will help avoid runnig the battery down)

Opening of the brakes:

1. Switch the parking brake on and off
2. With the help of diagnostic equipment (e.g. VAG-COM) choose unit no 53- parking brake
3. Choose the function "Basic set up"
4. Choose group 007 (for Auid A8 group 005- for changing the brake pads or 007 for an air brake valve repaire).
5. Press "START"
6. Activate the basic set up ("On/Off/Others")
7. Brakes will open
8. Close the basic set up

   ATTENTION!!! After finishing the previously described procedure, please wait at leats 30 seconds before connecting back to unit 53 and proceeding with another diagnostic step! Otherwise you risk permanent damage to the central electronics system of your car!

Closing of the air brake valve :

1. With the help of diagnostic equipment (e.g. VAG-COM) choose unit no 53- parking brake.
2. Choose "Basic setup"
3. Choose group no 006
4. Press "START"
5. Start up the basic setup (On/ Off/ Others)
6. Air brake valves will close
7. Close the basic set up

   ATTENTION!!! After finishing the previously described procedure, please wait at leats 30 seconds before connecting back to unit 53 and proceeding with another diagnostic step! Otherwise you risk permanent damage to the central electronics system of your car!
   

Test of the functionality

1. With the help of diagnostic equipment (e.g. VAG-COM) choose unit no 53- parking brake.
2. Choose "Basic set up"
3. Choose group no 010
4. Press "START"
5. Start the the basic set up (On/Off/ Others)
6. Air brake valves will open and close 3 times
7. Wait another 30 seconds after the noise from the valves ends.
8. Close the basic set up.

   ATTENTION!!! After finishing the previously described procedure, please wait at leats 30 seconds before connecting back to unit 53 and proceeding with another diagnostic step! Otherwise you risk permanent damage to the central electronics system of your car!!!!

Im having difficulties with the instalation of Fast KKL- USB cable

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To ensure the proper function of the USB cable it is vital to properly install all the operating devices. You can download both device and a detailed installation guide from our site.

Can I use a USB- Serial converter with a Fast K- COM cable?

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Serial diagnostic cables can be used only with USB- Serial converters with FTDI microchips. These microchips are available in original XEX-CAN-USB cables producesd by ROSS-TECH company. We offer a reliable Adapter USB - Serial port RS232.

I own an emission station and according to the law every emmision station must have an error reader ECU. Do you have any of this equipment in your offer?

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The universal form of the obligatory diagnostics for an emission station is incorporated into §44 paragraph 3, law no 56/2001 Digest, as amended by previous works.

We offer diagnostics equipment U480.which fully satisfies these requirements. This equipment supports all the communication standards EOBD, OBDII and the newest interace CAN-Bus. Therefore you can use U480 for diagnostics even with the newest types of cars. U480 supports American standards VWP (GM) and PWM (Ford) as well. This budget-priced equipment is fully capable of reading and erasing errors and reading data.

In case you are thinking about establishing a workplace, we do recommend to order an affiliated equipment U281 CAN-VAG with an adapter 2x2. This equipment is aimed for specific company diagnostics (except from EOBD standard) of all VW/Škoda/Audi/Seat vehicles from the end of the 80's up to the newest models with CAN-Bus. According to the law you do not have to provide diagnostics to vehicles not compatible with the EOBD standard, however considering how many older cars we meet on our roads we are sure this equipment is inevitable. This equipment can also diagnose the control unit of ...., ABS, airbags and erase memory function. The price is the same as for U480.

If you are interested in detailed car diagnostics, we recommend to get a pc or a notebook with special hardware and software. We offer a special set of cables HEX-CAN-USB with the program VAG-COM 512CZ that covers both diagnostics of concern cars VW/Škoda/Audi/Seat and standardized diagnostics of other cars withing the OBDII and EOBD norms. It does not cover most of the American vehicles though.

I own Renault Scenic 1,6 16V vintage year 2001. I would like to know what kind of cable or software is necessery for this model. Can I use VAG-COM?

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Your Renault 1,6 16V / 2001 corresponds to the OBDII/EOBD - ISO standard, as well as other Renault cars made after 2001.

Program VAG-COM is primary aimed at VW/Škoda/Audi/Seat vehicles. Therefore the older version of VAG-COM will not be compatible with your car. Since VAG-COM 500.1 version, there is support for OBDII (EOBD) implemented in the program that will work for your car under the button "OBDII". A suitable connection cable to use for VAG-COM (an updated version is 512) is a HEX-CAN-USB cable. We offer this cable ofr 4.190,- Kc. VAG-COM 512 ENG program is for free on its producer`s site. The czech version of VAG-COM 512 is available with an original cable.

A cheaper option is the adaper ELM323. The advantage of this adapter is a wide range of supported diagnostic software and you can get most of this program as freeware.

Can I use the adapter for Opel Tech 2 to read cars produced after the year 2000?

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This adapter is intended to be used with a progam with the same name OpelTech2. You can perform diagnostics on cars produced after the year 2000 only if the communication interface ISO is used. Some of the newer car models use CAN-Bus (for example new Vectra C). This interface is unfortunattely not supported by ISO.

How can I activate the diagnostic regime on Climatronic?

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It is necessary to push and hold the buttons

Then you can switch the different values on the display

To leave the regime, press the button ECON.

Changing the long coding with the help of the LCode program

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Long coding can be easily adjusted by the LCode program that is a part of of the program installation of VAG- COM after version 512. This program is also available for free on author`s site
We recommend to download the czech subtitles.

Setting the long coding is supported only in cars with CAN diagnostics, therefore you will need one of the HEX-CAN cables from our offer, for example:
OBD II CAN + KKL USB cable compatible with HEX-CAN, for VAG-COM,
OBD II kabel HEX-CAN USB + VAG-COM 512 CZ original, licence included
or some of the proffesional cables for VAG-COM.

Instructions:

1. Select a coding item in the window of the programVAG-COM
2. Press CTRL- C to copy
3. Run LCode.exe
4. Paste the copied item to row 1. (use CTRL-V)
5. There are separate bites of long coding in the line 3
6. Click on the bit you want to edit, its number will appear under the line 3
7. After editing, select the edited item and put in back to VAG- COM (use CTRL-C and CTRL- V)
8. To read the file that has a description of the code setting use the "Read from a text file" button. The program will show a detailed description of every bit and setting of all the functions in a separate window.

Setting up the daylight lightning with the help of VAG-COM program

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Škoda Octavia II from vintage year 2005 - vehicles with long coding 17 or 21 bites

1. Choose the control unit: 09
2. Choose function 07 (long coding)
3. Byte 00, Bit 3 must be set on level 1 - see. how to change coding with the help of an LCode program
   
   Note:
   0 = off vypnuto, 1 = on in regime EU/Scandinavia t
   Byte 00, Bit 4 must be on level 0

Audi A3 (8P) from vintage year 2004 - vehicles with long coding 17 or 21 bites

1. Choose the control unit: 09
2. Choose function 07 (long coding)
3. Byte 00, Bit 3 must be set on level 1- see how to change coding with the help of an LCode program
   
   Note:
   0 = off vypnuto, 1 = on in regime EU/ Scandinavia
   Byte 00, Bit 4 must be on level 0

Audi A4 (8EC, 8ED) from vintage year 2003

1. Choose the control unit 09
2. Choose function 07 (coding)
3. Coding: xxx?x
   1. vehicles with halogen lights: Put value "1" in place "?"
      Note: off = 0
   2. vehicles with Bi- Xenon lights: on place "?" put value "4"
      Note: off = 3

Audi A8 (4E) from vintage year 2003

1. Choose the control unit: 09
2. Choose function 07 (coding)
3. Coding: xxx?x
   
   Put value "1" in place "?"
   
   Note:
   In the drive`s information menu MMI a new item "Daylights ON-OFF" will appear
   switched on without an item in MMI = 10
   switched off without an item in MMI = 00
   

Audi A6 (4F) from vintage year 2004

1. Choose the control unit: 09 (central electricity)
2. Choose function number 07 (coding)
3. Coding: xxxxx?x
   
   Put value "2" in place "?"
   
   Note:
   In the drive`s information menu MMI a new item "Daylights ON-OFF" will appear
   switched off with the possibility to switch on through MMI = 1
   switched off without an item in MMI = 0
   

Volkswagen Caddy (2K) from vintage year 2004,
Golf V, Jetta New,
GOLF Plus (1K, 5M) from vintage year 2004,
Touran (1T) from vintage year 2003,
Passat 3C from vintage year 2005
- vehicles with long coding 17 or 21 bites

1. Choose the control unit: 09 (long coding)
2. Choose function number 07 (long coding)
3. Byte 00, Bit 3 set on level 1 - see how to change coding with the help of an LCode program
   
   Note:
   0 = off, 1 = on in "EU/Scandinavia" regime
   Byte 00, Bit 4 must be set on level 0

Volkswagen Phaeton (3D) from vintage year 2002

1. Choose the control unit 09 (Central electricity)
2. Choose the function 07 (coding )
3. coding : xxxx?
   
   Put value "1" in place "?"
   Note:
   2 = daylight lightning USA/Canada
   3 = daylight lightning off

Volkswagen Touareg (7L) from vintage year 2003

1. Choose the control unit 09
2. Choose the function 07 (coding)
3. coding: the lowest bit values set on 1
   Note:
   -activate the daylight lightning in case it has not been activated yet
   -deactivate the daylight lightning in case it has not been deactiveted yet

Seat Altea, Leon, Toledo (1P, 5P) from vintage year 2004 - vehicles with long coding 17 or 21 bites

1. Choose the control unit: 09 (Central electricity)
2. Choose function number 07 (long coding)
3. Byte 00, Bit 3 set on level 1 - see how to change coding with the help of an LCode program
   
   Note:
   0 = off vypnuto, 1 = on in a "EU/Scandinavia" regime
   Byte 00, Bit 4 must be set on level 0

Where can I find a diagnostic plug in my car?

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Generaly, the OBD II cars have the plug inside the car, close to the driver, so the driver can reach it. The plug is usually on the lower part on the dash board above the pedals. Nevertheless, sometimes you may find it on the dash board or under the gear shift. Older cars might have it for example in the engine area.

A very useful link that could help you to find a plug in all the cars produced by the concern VW (VW / ŠKODA / AUDI / SEAT) is here.