Showing posts with label Seat Alhambra Seat Altea Seat Arosa Seat Cordoba Seat Ibiza Seat Inca Seat Leon Seat Mii Seat Toledo. Show all posts
Showing posts with label Seat Alhambra Seat Altea Seat Arosa Seat Cordoba Seat Ibiza Seat Inca Seat Leon Seat Mii Seat Toledo. Show all posts

Friday, May 10, 2013

VW ABS CODING



VOLKSWAGEN ABS DIAGNOSTICS

Using a code reader or  diagnostic tester to view your VW Polo ECU data is quite a treat and is also really cool. A view of the data just exudes the growth of motor vehicle technology in general and it is quite humbling if you are electronically minded and quite intimidating if you are mechanically minded.  However there is often the temptation to change a number or something, just to see what happens to your Volkswagen. If you are one of those people who just did that, I bet you have a wistful regret, wishing that you never did so in the first place because you got yourself a "01044 control module incorrectly coded error." Or perhaps you  swapped a 1996 VR6 engine into a 2007 MkV GTI chassis and got a "01044 control module incorrectly coded error." Or you had your car serviced and the ABS and ESP light stays on in the instrument panel and showing up as a "01044 control module incorrectly coded error."  Or you cleared that nagging airbag light on your VW Beetle, only to get a "01044 control module incorrectly coded error."

Control modules codings are normally NOT interchangeable since virtually every model among the numerous versions of  VW's  each have a different ABS/ESP modulePower Assisted Steerin Module, Climate control ModuleInstrument Module, Immobilizer Module and Engine Control Module and so many other modules. Taking this into consideration,  it is more than  obvious that one should NEVER copy coding from a different model VW, AUDI, SKODA or SEAT and paste it into your own VolkswagenAUDI, SKODA or SEAT, unless you write down your original modules original coding so that you can revert back to it later, should things appear to go pear shaped. 

However if the two VW, AUDI, SKODA, or SEAT are the same in every respect, then  their module codings will be identical and therefore perfectly fine to use. Be particular about the module suffix since different suffixes signify different software versions which may not be compatible to your VAG car. Virtually each module that appears identical but has different letter suffixes will invariable have a different coding. So the rule is same car, same module, same module number, same module suffice, same coding. Disregarding this could incapacitate your car and cost you a huge amount of money.

Every Control module coding is stored as an onboard binary number, which in essence is the binary sum of the features for that specific module. Whereas the ECU also stores an onboard binary number which is the binary sum of all the Control Modules fitted in the car. This binary sum is called the checksum and any incorrectly coded  module will result in an erroneous checksum. If this is the case, the erroneous checksum is compared to a reference checksum also stored in the ECU module and any discrepancy could incapacitate your Volkswagen completely or present you with some peculiarities and error codes to match. Like the notorius 01044 control module incorrectly coded Checksum verification was adopted by BOSCH Motronic ECUs to validate its EPROM's stored data. Having said that, it is wise not to change the coding or replace any control modules in your VW AUDI, SKODA or SEAT unless you are au fait with binary and hexadecimal number systems

Below, is a list of VW ABS controllers and their respective coding which vary from  'ABS FRONT MK60 0101' to  'ABS 8.0 front H03 0002' to 'ABS 8.0 front H05 0002' to 'ABS 5.7 FRONT V20' to 'ABS 5.7 FRONT V30 ' to 'ABS/ASR 5.7 FRONT V20' to 'ABS 5.7 FRONT V00' to 'ESP 8.0 front H03 0001' to 'MABS 8.0 front  H04 0002' to 'ESP 8.0 front H03 0001' to 'ABS 8.0 front H03 0002' to mention but a few. Several VW, AUDI, SKODA and SEAT owners and mechanics are constantly searching the Internet for ABS module coding and hopefully this information may help them to get their Volkswagens, Skodas, Seats,  Audis and other VAG cars up and running once again.

VW POLO 6Q0 907 379 AC ABS Pump

VW Polo 9N
Address 03: ABS Brakes
Controller: 6Q0 907 379 AC
Component: ABS 8.0 front H03 0002
Coding: 0000145

ALTERNATIVE ABS MODULE CODING
NB! These are the codings I currently have but are certainly not the only ones use by Volkswagen, SEAT, Skoda and Audi. As I get them I will update this list.

6Q0 907 379    - Coding:  00036 or 00044
6Q0 907 379 AA - Coding: 0000005 or 0000008
6Q0 907 379 AB - Coding: 0000005 or 0000008
6Q0 907 379 AC - Coding: 0000145 or 0000142

6Q0 907 379 AF - Coding: 0002061 or 0002079 or 0002082 or 0002085 or 0002103 or 0002115 or 0002118 or 0002122 or 0002136 or 0002145 or 0002175 or 0002181 or 0002190 or 0002193 or 0002199 or 0002202
As can be seen above, AF suffix has the whole gamut of codings and each should be tried before throwing in the towel.

6Q0 907 379 AG - Coding: 0002202 or 0002229 or 0002238
6Q0 907 379 AH - Coding: 0000299 or 0000284
6Q0 907 379 AQ - Coding: 0002356
6Q0 907 379 AS - Coding: 0002347 or 0002368 or 0002368 or 0002491
6Q0 907 379 AT - Coding: 0000269
6Q0 907 379 BC - Coding: 0002136 or 0002098
6Q0 907 379 C  - Coding: 00044
6Q0 907 379 D  - Coding: 00124 or 00188
6Q0 907 379 E  - Coding: 0001097
6Q0 907 379 G  - Coding: 00044 or 00045
6Q0 907 379 H  - Coding: 00188
6Q0 907 379 L  - Coding: 0001097
6Q0 907 379 M  - Coding: 0000000
6Q0 907 379 R  - Coding: 0000008
6Q0 907 379 T  - Coding: 0000281 or 0000296 or 0000299

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Friday, May 3, 2013

VW POLO DIAGNOSTICS




After I completed all the minor repairs (as can be seen in my previous blog) to my VW Polo 2.0L Highline she finally went for her 90 000 kms service. But hardly did I get her back when I heard a very soft and occasional "ting, ting, ting" coming from the right front wheel. The sound was difficult to identify at first, not even the auto service technicians at the center could hear it. I found that the wheel had a few millimeters of sideways play when I jacked-up the VW Polo. This prompted me to check all the nuts & bolts and I found the nut on the tie-rod end to be loose. After tightening it, the sideways play was cured. However, it didn't cure the soft, occasional and irritating  "ting, ting, ting."  Twice thereafter I had the wheel off but found nothing out of the ordinary. Anyway I suspect its the right right hand side CV joint that is starting to go but it kind seems strange that a CV joint should give up the ghost round about 90 000 kms, its just way too early.

VW Amarok left hand drive double cab in snow white.
The tough smart VW Amarok Double Cab.
The 2.0L VW Polo right hand side drive shaft is very different from that of its siblings, it is much thicker and the spline that the hub slides onto, is much coarser that any other VW Polo. This drive shaft is an agents only item and its not cheap and to replace it by substitution to get rid of the occasional "ting" is a bit extravagant. My VW Polo is a very different beast from the rest of the VW Polo range and finding information for it is quite difficult. It seems every service centre has all the other manuals except that of the VW Polo Classic 2.0L highline.

VW DIAGNOSTICS
For starters it has the following odd ball ECU controlling an odd ball BBX engine rated at 84KW and 116HP.
Address 01:   Engine
Controller ID 06A 906 032 PB 
Sotware Coding Coding 00071

ENGINE TYPES:
Essentially Bxx implies VW Polo engines manufactured after 2005, whereas Axx implies engines manufactured prior to 2005 or rather between 2001 and 2005. The following  engines range from 1.2L to 1.4L to 1.6L to 1.8L to 1.9L and 2.0L and include diesel engines. BMD, BBM, BME, BZG, BKY, BUD, BLM,  BBZ, BNM, BWB, BMS, BNV, BAH, BTS, BJX,  BBU, BMT, BLT, BBX,

The following  list of Axx engines also range from 1.2L to 1.4L to 1.6L to 1.8L and 1.9L and include diesel engines, AWY, AZQ, AUA, AXU, AUB, AMF, ASY, ATD, AXR, ASZ. However the Axx, Bxx rule isn't hard and fast or cast on stone. There are VW Polo vehicles manufactured prior to 2005 with BMD, BME, BBY, BKY, BBZ, BAY,BLT engines fitted and there are some manufactured after 2005, fitted with AXU,ATD, ASY, AXR, ASZ engines.

Concept cars by Volkswagen
My 2.0L Volkswagen Polo  ECU's isn't only used in 2.0L Golf,  Jetta and VW Polo but also in 1.8T like the Seat Ibiza Cupra, Seat Leon, and the Seat Toledo Cupra with ME7.5.10 software.

2.0L GOLF / JETTA - ECU or Engine Management System
AWD 06A 906 032 CL 2001
AWD 06A 906 032 CM 2001

AZG 06A 906 032 DS 2001 (manual)
AWW 06A 906 032 DL 2001 (manual)
AZG 06A 906 032 FN 2002 (manual)
AVH 06A 906 032 BP 2001 (manual)
AVH 06A 906 032 FQ 2002 (manual)
AVH 06A 906 032 MC 2003 (manual)
BEV 06A 906 032 MT 2004 (manual)
BBW 06A 906 032 PE 2004 (manual)
AWP 06A 906 032 HS 2002 (manual) 
AWP 06A 906 032 LP 2002 (manual) 
AWP 06A 906 032 NK 2002 (manual) 
AWP 06A 906 032 SK 2002 (manual) 
AWP 06A 906 032 RN (6spd manual)
AWP 06A 906 032 SM (6spd manual)
AZL 06A 906 032 NH
AZL 06A 906 032 MN
AZL 06A 906 032 NJ

AZG 06A 906 032 DT 2001 (automatic)
AVH 06A 906 032 BQ 2001 (automatic)
AWW 06A 906 032 DM  2001 (automatic)
AWW 06A 906 032 GH 2001 (automatic)
AVH 06A 906 032 FR 2002 (automatic)
AZG 06A 906 032 FP 2002 (automatic)
AVH 06A 906 032 MD 2003 (automatic)
BEV 06A 906 032 NA 2004 (automatic)
BBW 06A 906 032 PD 2004 (automatic)
AWP 06A 906 032 LQ (5spd automatic)
AWP 06A 906 032 NL (5spd automatic)
AWP 06A 906 032 SL (5spd automatic)

VW DIAGNOSTICS CONT.
My 2007 VW Polo Classic 2.0L Highline is an 9N4 with a JHF 5 speed odd ball manual transmission with odd ball gear ratios and also has a obscure Immobilizer module (6Q0 920 825 C) which doubles up as the Instruments Module. This is easily visible because of the software coding. There are several dozen of other Instrument Modules none of which are compatible to the 2007 VW Polo Classic 2.0L Highline.

Address 25:             Immobilizer  
Controller ID         6Q0 920 825 C
Component         IMMOBILIZER VDO V06
Sotware Coding 00141

Address 17:              Instruments 
Controller ID            6Q0 920 825 C
Component              KOMBIINSTRUMENT VDO V06 
Software Coding 00141

VW DIAGNOSTICS CONT.
The following VW 9N and 6N3 Instrument controllers have various coding, which is subject to other on-board equipment. The  software versions in their 93c86 EEPROM  range from V2 to V17 and appears incompatible to 6Q0 920 825 C. As can be seen below, only the letter suffix changes but the software is somewhat different.

Controller: 6Q0 920 825 E / Coding: 01144  =   VW Polo 9N1  = software VDO V06
Controller: 6Q0 920 825 F / Coding: 01132  =   VW Polo 9N = software VDO V05
Controller: 6Q0 920 825 G / Coding: 01132  =   VW Polo 9N = software  VDO V03 
Controller: 6Q0 920 825 J / Coding: 01142   =   VW Polo 9N3  = software VDO V06
Controller: 6Q0 920 825 H / Coding: 01141  =   VW Polo 9N1  = software VDO V06
Controller: 6Q0 920 825 K / Coding: 01148  =   VW Polo 9N = software VDO V05


TRANSMISSION TYPES:
The following  list of  5 speed manual transmissions are fitted in the  1.8T Mk4 Golf, 1.8T Beetle, 2.0L Beetle, 1.8T Golf, 1.8T Jetta IV, Jetta IV 2.0L, Golf IV 2.0L,  Jetta 1.8L, Jetta 1.9L, Jetta  2.0L, 2.0L Golf VR6, non of which has the odd ball JHF transmission used in the 2007 VW Polo Classic 2.0L Highline.
CDN, DZC, DZQ, EBD, EBJ, EBP, EBQ,  EGQ, EGR, EHA, EHC,   EGT,  EKG, EKH, EMS, EMT, ENJ, EZK, FBY, FBV, FBW, FCF,  EGF, EWW,  EUH, GQQ,  JCR, JDM, JDQ.

If you have a VW Polo Classic 2.0L Highline, you may post your VW Diagnostics report below.  


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Wednesday, January 9, 2013

DRIVE BY WIRE


VW - DRIVE BY WIRE (Drive-by-Wire)

If you arrived on the VW Polo website because you searched for  Drive by Wire (DBW), EPC, or EPC light or engine won't rev, Steer-by-Wire, or limp mode,  then you have certainly arrived at the right place. There are several definitions for ECP, the first of which will be explained, is Electronic Parts Catalog (EPC).

EPC stands for Electronic Parts Catalogue (EPC) and all Audi, Volkswagen,  Skoda and SEAT parts are listed in ETKA V7.2 EPC (Electronic Parts Catalogue). This catalogue is purchasable online and downloadable but the file is huge. Companies like Mercedes Benz, Toyota,  Enigma, Attrakt among many, many others host computer based electronic catalogs of the individual auto parts and accessories that make up their engines, cars, tractors, specialized machinery and farming equipment etc. Restated, an EPC is a catalogue in electronic format much like CVS data or a database file or similar, that can be downloaded or is accessible online.

Then there is the second type of EPC - Electronic Parts Catalog (EPC) software. MultiCat and Msys.EPC are companies that specialize in the software that can display an exploded view of an assembled device. For example, the exploded view of an engine, or gearbox, or cylinder head, showing the individual bolts and nuts, flanges, hoses and brackets, etc. and their component part numbers.

Thirdly, there is also the Electronics Parts Catalog (EPC) which is an electronic list or database of semiconductor components, from diodes to transistors to integrated circuits to thyristors, etc... This EPC is often called and equivalents book or catalog and hosts the specifications of semiconductors from several manufacturers. A typical EPC is the RS Electronic Components and Tools Database. This EPC doubles up as the third type of EPC which is the Electronic Product Code. Component Product Codes look like,  1N4148 or BC337, MCP2515, TYN812RG, etc... for electronic components.

However, there are many more EPC definitions, some of them can be found at the end of this blog. I could explain all of them individually but none has any relevance to the subject at hand, viz EPC - Drive by Wire. Drive-by-Wire also know as  DbW, Steer-by-Wire "x-by-wire" or simply "by-wire".


DRIVE BY WIRE

And finally, the Electronic Power Control (EPC) that freaks out almost each and every VW 1.6 PoloAudi TT, Skoda, SEAT and  Golf TDI, owner. Most vehicles with Drive by Wire [Drive-by-Wire (throttle control)] usually have a Electronic Power Control (EPC) indicator lights on its dashboard which lights up when  there's a problem with the Drive-by-Wire system. This would involve the two accelerator pedal sensors G79 and G185 and in some cases the two sensors G187, G188 inside throttle control valve body - control actuator. [As discussed in my previous blogs] When the engine idles, neither the Throttle Valve Angle Sensor nor the Accelerator Pedal Position Sensor are monitored for faults by the ECU, as suchthe engine does not respond to accelerator input but will limit engine to 1200 RPM.

The  basic components that constitute the Electronic Power Control (EPC) circuit. 
There is no throttle cable involved, because its an electronic throttle control.
The Electronic Power Control (EPC) circuitry consists of EPC light, Accelerator Pedal, Throttle Control Valve,  DBW  (no throttle cable,) Injectors and the Engine Control Unit (ECU). Have a look at the diagram above. The inputs to the ECU is marked green and the outputs from the ECU is marked blue.  Check that the brake light bulbs are OK, if not check the brake fuses. There are other inputs to the ECU from numerous other sensors or units for example the Automatic Gearbox Control unit, Cruise control unit, Air conditioning unit, Lambda Regulation unit, Knock Sensor units, Alternator, Engine Speed Sensor unit, ABS and the  Power-assisted steering unit to mention but  a few. 

The CAN-Bus bidirectional connection is marked in orange. Some of the other inputs like Knock sensors and Lambda regulator and Engine Speed Sensor unit can also cause the EPC light to come on. If the Engine Speed Sensor unit is responsible, it will reset itself after a while and if the Lambda regulation is faulty the vehicle will smoke and turn on both MIL and EPC lights, but if the Drive-by-Wire - DBW (not drive by cable) system is faulty then only the EPC light will be on.


Both the accelerator sensors and the throttle valve sensors work on the same principle since all 4 of them are potentiometers. The input voltage is 5 Volts and the increments are in millivolts implying that there is an  acceleration range of between 0 and 5000.  Throttle valve angle  sensor 1 and Throttle valve angle sensor 2Accelerator position sensor 1 and Accelerator position sensor 2 sliders makes contact with the resistive track and outputs the appropriate voltage level to the ECU. These resistive tracks are prone to go faulty since they are gold plated contacts running on gold plated copper tracks etched on a PCB. Over time the contacts wears right through the gold and copper plating, only making contact with the bakelite or fibreglass substrate. This type of potentiometers are less reliable than ceramic thick-film potentiometers.

When the EPC warning light goes on and your acceleration goes limp and the engine won't rev-up there is an easy cure but there may be exceptions. Get the car home even if it means driving really slowly in "Limp Mode". Once home, disconnect the battery for about 15 minutes or so, but not more than 20 minutes then reconnect. NB! do not disconnect the Live terminal, disconnect the Earth terminal. If the battery is disconnected for more than 20 mins you will lose your radio settings since the radio also participates in volatile and non-volatile memory of  the CAN-Bus

Reconnect the battery but make certain that the ignition is off. Once this is done, turn on the ignition so that the dashboard lights go on but do not start your car and DO NOT touch your accelerator pedal. After about 5 minutes the throttle body will aligns itself. After 10 minutes turn off the ignition, wait for 2 mins then start the car and let it idle for abut 2 minutes as well. By now, the EPC warning light should be off and the engine will rev as normal.You may have to to this twice. If this worked for you, please do give me some feedback with a comment.


VW Airbag diagnostics 

VW Instruments - Immobilizer

   
DON'T FORGET to VISIT

VW, SEAT SKODA and AUDI OWNERS  found the following sites interesting.  
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COME MORE EPC DEFINITIONS

EPC - Engineering, Procurement & Contracting, 
EPC - Engineering, Plant  Construction,
EPC - European Paralympic Committee,
EPC - Electronic Product Code, 
EPC - Event Promotional Council,
EPC - Energy Performance Certificate,
EPC - Engineering, Procurement and Construction, 
EPC - Event-driven Process Chain, 
EPC - Evolved Packet Core,
EPC - European Patent Convention,
EPC - Eastern Provincial Council, 
EPC - Electronic Poetry Center, 
EPC - European Policy Centre,
EPC - European Political Community, 
EPC - European Political Cooperation, 
EPC - Evangelical Presbyterian Church 
EPC - Export Promotion Council, 
EPC - Electricity Plant Controller, 
EPC - ElectroPlating Cathode,
EPC - European Payments Council,
EPC - Electronic Packet Collision,
EPC - Electrical Professionals Council,
Etc...,