Lexia woes

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Lexia woes

Post by Peter.N. »

I have at last got a working Lexia =D> but that has lead to more problems, it works OK on the 406 but refuses to read the C5 even though when quizzed it comes up with the correct VIN number, it says 'lack of information' or something similar when I try to connect with it, I can by doing something or other get it to display the various areas but its showing no information from anything.

The 406 is the one with a permanent immobiliser fault but when I interrogate the ECU it says its the wrong one for the vehicle, does that mean that the ECU is corrupted? I have had a complete car offered to me free, could I use the ECU and remote key from that or what else would I need to change?

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Re: Lexia woes

Post by GiveMeABreak »

Sorry if you've already answered this somewhere else Peter, but do you know what revision your hardware is? Is it a Revision C? and also where did you purchase from? The reason I ask is that some Chinese clones are not the full chip / resistor kits and won't read C5s and some Peugeot 308s. It could possibly be a reason because of the fact that you can read a 406 - but only a possibility without knowing more. Do you have access to the PSA Diagbox version checker? That would at least indicate what hardware and firmware you are on?
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Re: Lexia woes

Post by Paul-R »

Peter

You say Lexia but that's Citroen specific. You can do a very few readings of Peugeots using a basic part of the Lexia software (I used mine to reset the faults caused by a faulty Lambda sensor on my daughter's Peugeot 206) but serious interrogation is beyond it.

Is this what you're doing or is it Diagbox you're using?
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Re: Lexia woes

Post by GiveMeABreak »

Diagbox launches Peugeot Planet for Peugeot and Lexia for Citroen for older cars that can't use the Diagbox interface. In either case, the issue is 'possibly' still down to the hardware and / or firmware revision as to whether it will communicate with certain models - but mainly the C5 and the 308. :wink:
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Re: Lexia woes

Post by Paul-R »

I can't see how the software revision of Diagbox would be relevant to such an early C5 - two years younger than mine which has never had a problem using Lexia software.

I suppose that if the firmware is too early in the Actia hardware for very late Diagbox software then there would be a problem. But wouldn't that show up on the Peugeot as well the C5? They're both similar ages.
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Re: Lexia woes

Post by GiveMeABreak »

There were several issues - Paul - some of the Revision B were 'blocked' when a later update of the software was applied, some can be flashed to a newer revision - some can't - it all depends on the guts of the unit. A lot of the earlier ebay Chinese ones were sold without the NEC C57 capacitors and the 10k resistor that affected CAN communications on some vehicles. Although the earlier C5s used the faster CAN network internally for the engine management and Data systems, and the slower VAN for the comfort systems - they didn't communicate outside the car network using this interface - hence the Lexia and Peugeot Planet interfaces kicking in on earlier cars. Having a later 'full chipped' Actia and a 7.57 Version of Diagbox should work. I posted the firmware versions here:
http://www.frenchcarforum.co.uk/forum/v ... 20#p482216
If you have an earlier firmware version than the first one listed in the post, then you can't run Diagbox 7 and need to stick with earlier versions of the software - unless you have an Actia that can be flashed with newer firmware - and again, this will depend on the 'guts' of the Actia! :-D
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Re: Lexia woes

Post by Paul-R »

My old Lexia setup has a date of July 2008 for the APPLIC folder so I guess this dates it. I wonder whether the hardware will take any version of Diagbox at all! What's this PSAVersion Checker you mention in the other thread?

I need to know whether I'll have to buy new hardware for my 2013 X7.

Apologies to Peter for taking this ever-so-slightly off course.
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Inside every old person is a young person wondering what the hell happened.

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Re: Lexia woes

Post by lexi »

GiveMeABreak wrote:There were several issues - Paul - some of the Revision B were 'blocked' when a later update of the software was applied, some can be flashed to a newer revision - some can't - it all depends on the guts of the unit. A lot of the earlier ebay Chinese ones were sold without the NEC C57 capacitors and the 10k resistor that affected CAN communications on some vehicles. Although the earlier C5s used the faster CAN network internally for the engine management and Data systems, and the slower VAN for the comfort systems - they didn't communicate outside the car network using this interface - hence the Lexia and Peugeot Planet interfaces kicking in on earlier cars. Having a later 'full chipped' Actia and a 7.57 Version of Diagbox should work. I posted the firmware versions here:
http://www.frenchcarforum.co.uk/forum/v ... 20#p482216
If you have an earlier firmware version than the first one listed in the post, then you can't run Diagbox 7 and need to stick with earlier versions of the software - unless you have an Actia that can be flashed with newer firmware - and again, this will depend on the 'guts' of the Actia! :-D
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Re: Lexia woes

Post by Peter.N. »

Wow! So much information - and I don't understand much of it, you wouldn't believe I was an electronics engineer for 50 years, but most of the things I repaired had valves in them, well in the earlier years anyway.

Thank you very much for your input, its about the only chance I will get to sort this out. I do seem to remember a Lexia listing on ebay which said it wouldn't work on C5s, mine says '9780 .Z5' if that means anything, but I do have a much older Lexia which has not been in my position for a few years, I should be getting it back this week, will that work on the C5 with the programme I have which includes diagbox or will I need the original software?

Thanks in anticipation

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Re: Lexia woes

Post by GiveMeABreak »

Paul-R wrote:My old Lexia setup has a date of July 2008 for the APPLIC folder so I guess this dates it. I wonder whether the hardware will take any version of Diagbox at all! What's this PSAVersion Checker you mention in the other thread?
I need to know whether I'll have to buy new hardware for my 2013 X7.
Apologies to Peter for taking this ever-so-slightly off course.
Hi Paul - Here is the link to the PSAVersion Checker, which I have on my filestore:
(PM for details)

Here is a screenshot of the software, where you can see the info:
PSA Checker b.png
Connect your Lexia to the USB port (but not the car)
Load the PSA Checker software
Click ACTIVATE (this just enables the interface, nothing else)
Click VERSION to give you the version info - in the example above you can see mine has been flashed to Firmware V4.3.3
Click REFERENCE to display the serial reference of the unit and the revision (in this case Revision 'C')
Don't choose SELECT FILE and DOWNLOADING buttons - as these are a) SELECT FILE tells the software where the Firmware file is located on your PC and b) DOWNLOADING tells it to start flashing the file to your unit. Only use these buttions if you know what you are doing!
:-D
This tool can be used to safely check what version and revision your Actia interface is and what firmware you have. This may highlight one possibility as to why the ECUs can't be read on some vehicles by having an older revision or firmware. One of the other reason's of course is a broken solder joint or damaged pin for example.
Last edited by GiveMeABreak on 09 Jun 2016, 18:46, edited 3 times in total.
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Re: Lexia woes

Post by GiveMeABreak »

lexi wrote: :shock: How do you know all this Marc? You Sir, are a robot from the future and I claim my £5. :rofl2:
Thanks Lexi - happy to help (or hinder? 8-[ ) - trouble is, it is a minefield out there, as of course we are dealing with clones and modified software for the likes of us chaps and chapesses to keep our treasures (or not in some cases) on the road!
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Re: Lexia woes

Post by BenC5HDi »

Do you also have the files to flash them to a later version Marc?

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Re: Lexia woes

Post by GiveMeABreak »

HI Ben - it just so happens I have version 4.3.0 to 4.3.4, but I've only flashed mine to 4.3.3 as I've heard there are some issues with flashing to V4.3.4 on some interfaces, requiring a downgrade to re-establish communication. I think it's down to the interface and of course the age of the car. I'm going to do a bit more research on this when I have time before I flash it to V4.3.4.
Just to confirm too - V4.3.0 works with Diagbox V7. If you have an earlier version of firmware you'll need to stick to your existing Diagbox versions - unless as I mentioned in my previous post, you know the firmware can be upgraded. :wink:
I have purposefully not posted the links here as I have visions of "OMG - You *#$# - I've bricked my system"! :-D
If you want any of the files, just send me a PM with an email address and I'll send you the links - ditto for anyone else.
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Re: Lexia woes

Post by MikeT »

GiveMeABreak wrote: Connect your Lexia to the USB port (but not the car)
Load the PSA Checker software
Click ACTIVATE (this just enables the interface, nothing else)
This is as far as I can get. The next step buttons remain ghosted.
IIRC, there was an additional instructions to use a different USB driver or something but I could be wrong.
I'm not too bothered as I have no problems with my Lexia use, but would be handy to get it working for future reference etc.
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Re: Lexia woes

Post by Peter.N. »

Thank you Marc, when I have five minutes and am feeling brave I will give it a go.

Peter
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