XJ40 ( XJ81 ) 1986 - 1994

Jaguar PDU Manuals & Software

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  #121  
Old 08-26-2022 | 11:45 PM
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Originally Posted by Coventry Foundation
JAL have you tried to access it on a WDS?
No. I've been told the very late XJS V12 6.0 was never supported by WDS. There's been a lot of discussion over the years, and nobody has ever found anything but a PDU that could access the systems. The 4 liter is a whole different story. A regular code scanner can access the 4 liter engine, and some scanners can at least access the 4 liter ABS.

Jon
 
  #122  
Old 08-27-2022 | 12:22 AM
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Originally Posted by jal1234
No. I've been told the very late XJS V12 6.0 was never supported by WDS. There's been a lot of discussion over the years, and nobody has ever found anything but a PDU that could access the systems. The 4 liter is a whole different story. A regular code scanner can access the 4 liter engine, and some scanners can at least access the 4 liter ABS.

Jon


all they did on the 95.25 was rewire the k and l line that was on the cpc connector and put them in the designated spots on a j1962 port

it’s not officially supported but the wds can absolutely read tcm and abs codes, it’s pretty obvious which car you need to connect as.




 

Last edited by xalty; 08-27-2022 at 12:33 AM.
  #123  
Old 08-27-2022 | 05:34 AM
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The last 6 of the vin would allow us to ask the WDS if it recognizes the car.
 
  #124  
Old 08-27-2022 | 07:46 AM
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Originally Posted by Coventry Foundation
The last 6 of the vin would allow us to ask the WDS if it recognizes the car.
Last six of the VIN: 199076.

Jon
 
  #125  
Old 08-27-2022 | 11:17 AM
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JAL when we asked our WDS this is what we see. THe screens may or may not be in order but from what we see all options are available and the 1995.25 6.0L is suported.
 
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  #126  
Old 08-27-2022 | 12:34 PM
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I miss the Mahwah Training Center. I used to get training several times a year and stay at the RAMADA INN on Rt 17.
All the TechLine guys were fantastic.
 
  #127  
Old 08-27-2022 | 01:39 PM
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Ye--Laslo sent this to their archives but they did not want it----Mason Jar? We had issues with this machine as the trainers had locked out all of the system tools (to prevent student mistakes we guess). Took a bit of fiddling to allow them back--like conditioning batteries and such!
 
  #128  
Old 08-27-2022 | 01:50 PM
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MASON JAR? Are you talking about the bar/restaurant on Rt 202? I ate there a bunch.
 
  #129  
Old 08-27-2022 | 01:58 PM
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Yes that one! The Diner was also good across 17 from MacArthur.
 
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  #130  
Old 08-27-2022 | 03:19 PM
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Originally Posted by Coventry Foundation
JAL when we asked our WDS this is what we see. THe screens may or may not be in order but from what we see all options are available and the 1995.25 6.0L is suported.
Thanks. That is 100% different from what is known on the XJS forum. I'll do some more digging.
 

Last edited by jal1234; 08-27-2022 at 03:21 PM.
  #131  
Old 08-27-2022 | 04:13 PM
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Jal it could be as simple as the latest software was not used. Should have checked but think it is #43. Could load 42 and see if it recognizes that VIN but at 42 there was a 42A and a 42B so going backward is not a good idea. Anyway best of luck.
 
  #132  
Old 08-27-2022 | 04:57 PM
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Originally Posted by jal1234
I guess I would need the cable going to the OBD connector (my car has the 16 pin OBD II style connector), the ABS cable, the base unit to handheld unit cable, and I'm not sure what other cables are applicable. Is there a need for an ECU breakout if I can access it thru the OBD connector?
For your car you only need the 16 pin OBD connector (and the cable between the base station and PDU), for older XJS cars you need a different cable. Both can be build. But although the last V12 cars were not OBD2 compliant I think (i can't confirm) you can access them with the WDS. Cars without the 16 pin OBD but with a different 4 pin connector, those cables were supplied with the WDS but the software hasn't been written! Those cars (1992 - 1994) can only be accessed with the PDU. I hope that clear things up!

Originally Posted by xalty
even my $600 launch can supposedly do TPS fuel trim setup o2 orientation etc.
can the launch do TPS setup and O2 orientation for a AJ16 engine? As far as I have heard, only PDU, WDS and Autologic are able to do that, so that would be good information to know (if it works).
 
  #133  
Old 08-27-2022 | 05:51 PM
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A few times Jaguar Tech Line told us to revert and reload version CD 38 because some functions were deleted from the software CD 42A and 43.

Early WDS used to ask to check network connections but I always denied the test because I was usually in a rush to diagnose a specific DTC and not the entire car.
That function seemed to be deleted around 2000. (I don't remember the CD number)

I think CD 41 was NOT recommended by Tech Line so we reverted to 40 until 42a/42b was released.

I hated to reGhost and reload but sometimes you just gotta do what is necessary. (CDs only had so much room and the WDS HDD was usually only 4.3 GB)
 

Last edited by motorcarman; 08-27-2022 at 05:54 PM.
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  #134  
Old 08-27-2022 | 07:11 PM
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Originally Posted by Gijzzy
For your car you only need the 16 pin OBD connector (and the cable between the base station and PDU), for older XJS cars you need a different cable. Both can be build. But although the last V12 cars were not OBD2 compliant I think (i can't confirm) you can access them with the WDS. Cars without the 16 pin OBD but with a different 4 pin connector, those cables were supplied with the WDS but the software hasn't been written! Those cars (1992 - 1994) can only be accessed with the PDU. I hope that clear things up!
That helps a lot! Thank you very much. It would seem the PDU would be the simplest solution with a homebuilt base station. I'm assuming the 16 pin OBD cable is straight thru, no electronics in it?

Thanks again.

Jon
 
  #135  
Old 08-28-2022 | 08:06 AM
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I think the simplest solution would be a WDS but I guess in your case maybe finding a PDU or WDS and buy what is available first. Both are getting rare but it would be nice to have an extra PDU working in the world . The 16 pin OBD cable for the PDU is not complete strait forward but no electronics! You need to workout the correct pinout and there is one resistor in it. I have had a look at it once, and know it can be done. but never tried. If you have got it working for your car it is a small effort to build the cable for the older models (those cables are straight thru) and I have build them before. On those older cars you can't access the ABS true serial communications and you will need more hardware and breakout boxes.

Using the PDU for your car you need:
- a base station
- PDU
- Cable 1223 (16pin OBD cable)

If you are willing to work on older XJS cars you need
- cable 0755 (1992,1993)
- cable 0756 (1994)
- and VBA, power unit to power the PDU while connected to the car.

With cable 0755 and 0756 you can access engine, transmission, security and seats. For ABS and climate control you need more hardware like mentioned before.
I tried your VIN in the PDU but I haven't the correct software here at home so will try that later.

Enjoy your search for a unit!
 
  #136  
Old 08-28-2022 | 08:32 AM
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JAL et all. Keep an eye on our E bay stores as we have sold 2 PDU (one fully functional and one not tested in the last two or three months. We rec them through dealer donations. JAL at this point it seems like Gijzzy is correct. He certainly knows the PDU and we have demonstrated the WDS with #43 supports your car. Good luck. As said before we are placing WDS units across the US and while they may not be that close they will be available.
 
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  #137  
Old 08-28-2022 | 01:12 PM
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There is a PDU on Ebay now from our topic starter.
 
  #138  
Old 08-28-2022 | 04:00 PM
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Originally Posted by Gijzzy
There is a PDU on Ebay now from our topic starter.
Yeah, I saw that. Is that the going rate nowadays?

Jon
 
  #139  
Old 08-31-2022 | 08:56 AM
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Gijzzy,
Please check your PM. I answered your last PM, but haven't heard back.

Thanks,
Jon
 
  #140  
Old 08-31-2022 | 11:08 AM
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Some questions:
1. Reading thru the documentation from the first post, it mentions the VIA. But I didn't find any description of its use. How is it used?

2. The PDU parts list says there is a "A/C interface adapter - MkIII and MkIV", 3130-780-00. What does consist of? How is it used?

3. Has anyone got hold of the JDS software that allows interface with the PDU?

Sone the answers might be on the training tapes. I hope the Coventry Foundation digitize them and make them available.

Thanks.
Jon
 


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