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OBD Scanners Discussions on using On Board Diagnostic (OBD) scanners/ Diagnostic Equipment related to TDIs

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Old January 14th, 2005, 05:47   #16
VWannabe
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Default Re: A4 TDI engine measuring blocks/groups

On my car, a 1997 Jetta TDI with a 1Z engine, measuring block 13 only shows values for blocks 1, 2, and 3. I am assuming the #4 block is the reference block. Is this correct? Mine are all with the -/+ 2mg value, but the newest injectors I installed are not as close as my old ones were, which was -/+ 0.1 of one another. I am debating on getting them balanced. Is it worth it?
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Old January 14th, 2005, 16:07   #17
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Default Re: A4 TDI engine measuring blocks/groups

ScotterTDI, these are for an ALH. I have gathered data from a PD ECM, but I'm still trying to figure out what some of the blocks mean. I can't seem to find doc on all of them. The North American ECM does not match a European ECM entirely.

VWannabe, the 1Z is an 'A3' chassis. Group 13 does only show 3 blocks for that chassis. 'Worth' is a relative term. You'll have to decide.
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Old February 23rd, 2005, 04:33   #18
Torben_DK
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Default A4 TDI engine measuring blocks/groups

Hi MOGolf
Thank you very most for the list, it has started me of with some VASG-COM testing...
I have a Golf TDI PD 115HP, motor code AJM,(in Europe) and most of the reading I get is as in you list. However in Group 000 block two "Start of injection" I get 129.
Does this means that the injection starts all to soone?
Thanks for reply, and sorry for my poor english.
Torben
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Old February 24th, 2005, 21:06   #19
MOGolf
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Default Re: A4 TDI engine measuring blocks/groups

The PD has a different injection system. The numbers related to injection on a ALH engine do not apply to the AJM.
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Old February 26th, 2005, 08:23   #20
Torben_DK
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Default Re: A4 TDI engine measuring blocks/groups

OK thank you for the answer.
Were do I find the data for my car? I have seached the Internet without any luck. Do I need the Bentley CD? were can I get that?
Thanks for answer.
Torben
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Old February 26th, 2005, 11:35   #21
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Default A4 TDI engine measuring blocks/groups

The AJM (and ATJ) engine, group 000 block two, the readings should be between 120 and 132, so you are within limits.
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Old April 5th, 2005, 22:14   #22
cmc
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Default Re: A4 TDI engine measuring blocks/groups

I think I may have figured this one out.

1) figure out the part number of your PD ECU. i think the program will simply display it.. my car has a ECU number of 038-997-016-C. The VAG-COM program does not have a .lbl file with this designation so it makes a guess as to what .lbl file best matches your US PD100 ECU. It ends up displaying values that don't seem to match the labels.

2) You will find that VAG COM expects a PD 100 to have a ECU id of 038-906-019-?? and has an elaborate system to match it to the correct label file 038-906-019-100.lbl. The US PD100 has a different ECU number and does not end up getting matched to the above. You need to intervene and tell it.

3) To make a long story short, do the following:

- Go to the VAG-COM "labels" subdirectory on your computer where you installed the program.

- Copy or link 038-906-019-100.lbl to 038-997-016-C.lbl

- Description of all the block values are in the file itself

- If your ECU is different from the one I listed, just substitute yours in.

- US PD100 only.. and my ECU may even have a different ID from other US PDs because of several reflashes.

I think this is what the VAG-COM folks would like people to do and then report it back to them with new ECU numbers. Anyway I tried it and I seem to get much more meaningful numbers than before I tried this trick.

Quote:
ScotterTDI, these are for an ALH. I have gathered data from a PD ECM, but I'm still trying to figure out what some of the blocks mean. I can't seem to find doc on all of them. The North American ECM does not match a European ECM entirely.

VWannabe, the 1Z is an 'A3' chassis. Group 13 does only show 3 blocks for that chassis. 'Worth' is a relative term. You'll have to decide.
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Old April 25th, 2005, 19:16   #23
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Default Re: A4 TDI engine measuring blocks/groups

I have constructed a label file for the North American PD ECM, though the only ones I've seen are -H. It is not certified to be 100% accurate yet. The European ECM label files, though close for some measuring blocks, are for ECMs that are different than what is offered in North America.

I've sent the file to Ross-Tech for distribution with VAG-COM.
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Old April 26th, 2005, 06:29   #24
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Default Re: A4 TDI engine measuring blocks/groups

If anyone would like this file, it's here:

http://www.ross-tech.com/vag-com/dow...-906-016-H.LBL

(Right click on the link to download it, left clicking will likely just show you the contents in your browser).

At some point we'll probably integrate that into the 03-01 redirection file so it's used by all BEW engines, not just the -H ECUs.

-Uwe-
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Old April 28th, 2005, 00:19   #25
Beta
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Default Re: A4 TDI engine measuring blocks/groups

Is it possible to turn off the tcu databus controller and the abs controller with the ecu? My alh in vanagon conversion has neither and I always have these two fault codes. Much thanks.
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Old November 28th, 2005, 15:12   #26
Taggs
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I am looking at my measuring blocks for the first time. In block 13 I got readings the are not balanced at all. #1= .09, #2= .05, #3= .14, #4= .00. As I am new can you please tell me if this is normal. Thanks.
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Old November 28th, 2005, 15:14   #27
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Quote:
Originally Posted by Taggs
I am looking at my measuring blocks for the first time. In block 13 I got readings the are not balanced at all. #1= .09, #2= .05, #3= .14, #4= .00. As I am new can you please tell me if this is normal.
Taggs, was your car FULLY warmed up when you grabbed those readings
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Old November 28th, 2005, 15:16   #28
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Yes the car ws fully warmed up.
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Old November 28th, 2005, 15:18   #29
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All things considered, those numbers are very good.
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Old November 28th, 2005, 15:28   #30
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Thanks, That is a relief. Dave
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