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406 hdi nothing works without ignition. FIXED

Posted By Blackdog Thursday, October 01, 2015 5:05:25 PM
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Blackdog
 Posted Thursday, October 01, 2015 5:05:25 PM
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Hello I'm a new member long time reader, here goes the first post. I've a 406 hdi 2002 in the garage at the moment and when the ignition is switched off everything stops working. No central locking no interior lights no side lights no beep to say key left in the instruments won't even return to zero. I've checked the wiring under the drivers carpet and found 2 broken wires now repaired it's still no different. Any pointers greatly appreciated.

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Friday, October 02, 2015 1:54:14 PM by CYRIL (T)
Blackdog
 Posted Thursday, October 01, 2015 6:02:19 PM
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I've not mentioned any testing done in my first post as I didn't want it to be a long block of text. When started everything works as it should, I've checked feeds to and from ignition switch and all is well all fuses including maxi fuses are good, replaced the under bonnet fuse box with a known working one because I had it spare and ruled out the origeonal being faulty. 12v live present at comm unit at all times, fault stored in Bsi for fault on data b wire van network but I'm unsure witch wire and on witch other modual, or if this fault is even relevant. Earth points behind head lamps under carpet and behind pedal box all checked and are in good order, anything I'm missing?


Assumption is the mother of all f😨😱k up's!!!!!
Thursday, October 01, 2015 6:03:25 PM by Blackdog
K And R
 Posted Thursday, October 01, 2015 7:16:12 PM
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BD

"fault stored in Bsi for fault on data b wire van network but I'm unsure witch wire and on witch other modual"


What did you code read it with ? Do you own a scope to check the VAN ? Do you have a correct wiring diagram ? Peugeot service box will have the correct one if you input the chassis number .


Does the code say local or remote ?


" I've a 406 hdi 2002 in the garage at the moment" so you are trade and this is a customer's car ?






Kev.

"If you dont KNOW how it works, don,t try to test or fix it"
Blackdog
 Posted Friday, October 02, 2015 2:31:07 AM
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Thanks for the reply Kev yes I'm trade and it is customers car I'm reading it with a launch x431 as its all I have that will read the bsi on it at the moment. No I don't own a scope and not sure if the fault was local or not.

Assumption is the mother of all f😨😱k up's!!!!!
CYRIL (T)
 Posted Friday, October 02, 2015 4:13:11 AM
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There are 4 fuses you should check in the engine bay.

MF1(BIG OR MAXI FUSE) BSI supply for front windows/ rear wiper/a/c/compressor.

MF 8 supply for the main fuse box(cabin)

MF9 BSI supply

F6 bsi supply.

on the Bsi FUSE A locking. Fuse F van supply.

Hope this will help


Regards

Cyril

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Blackdog
 Posted Friday, October 02, 2015 4:19:01 AM
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Thanks Cyril il have a look at those shortly going to spend an hour on it this morning, I do believe I'm missing a live somewhere will let you know how I get on

Assumption is the mother of all f😨😱k up's!!!!!
K And R
 Posted Friday, October 02, 2015 4:21:54 AM
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BD

Launch has never been very good on french cars (is yours up to date ? . Genuine Planet would be able to do a "Global" read on all module's and tell you local or remote.

No scope !! Do you have a service box account ? Do you have Auto- Data on line ? If not, you need them and much more to be in the trade.

Do you have your ADR in place as of yesterday it's a legal requirement.

Kev.


"If you dont KNOW how it works, don,t try to test or fix it"
Blackdog
 Posted Friday, October 02, 2015 4:35:37 AM
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I don't have a scope or service box account but do have auto data online, to be honest Im a small garage and I work alone so to buy such expensive equipment would never pay off, most of my custom would be on cars 7 years or over where other garages would render them not worth fixing, a multi meter and a test lamp are what I grew up working with and call me old fashioned but their what I'm comfortable using and have proven very effective in the past. While I understand the technology has advanced so much in recent times I see a lot of people over look the basics wich could be found by reverting back to old methods of testing


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K And R
 Posted Friday, October 02, 2015 5:00:27 AM
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BD

"Do you have your ADR in place as of yesterday it's a legal requirement." ? being " old fashioned " does not mean you are able to break the law.

Kev.





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Blackdog
 Posted Friday, October 02, 2015 1:32:02 PM
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Big thank you to Cyril you put me in the right direction car is now fixed if someone could tell me how to edit the title, car had a broken wire behind fuse 9. As Cyril pointed out these fuses I inspected the wires coming to and from them, car was a taxi in its day and the wire had been damaged when equipment was being removed. It eventually chafed through. Kev this might sound stupid but what is adr? Think that answers if i have it or not, never heard of this and I'm in Northern Ireland is it a legal requirement here? I've heard no mention of it

Assumption is the mother of all f😨😱k up's!!!!!

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