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Old 04-04-19, 08:48 AM   #1
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Default P207 Under Bonnet Fusebox

Hi,

I donít suppose anyone would happen to have a schematic diagram of the Peugeot 207 BSM (PSF) under-bonnet fusebox do they? I think I have narrowed my fault down to power not getting to the interior BSI unit via the BSM in the engine compartment. BSM Fuse 13 (40A) is the one which supples the BSI and it is fine - there is just no voltage on either side of it! So Iím guessing that there is an internal relay which has gone kaput.

I know it would be a lot easier to just buy a replacement unit but I do love a challenge..!

Many thanks,
Martin
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Old 04-04-19, 06:18 PM   #2
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probably easier to just replace but this any use
need your rpo number to get exact diagrams for your car

screen-shot-04-04-19-07-04-.jpg

screen-shot-04-04-19-07-06-1-.jpg


PSF in 2 sections as had to zoom in
screen-shot-04-04-19-07-06-.jpg

screen-shot-04-04-19-07-05-.jpg
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Old 04-04-19, 08:26 PM   #3
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That’s great, many thanks Terry.

Incidentally, my RPO number is 11446

��

Last edited by cookm; 04-04-19 at 09:09 PM.
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Old 04-04-19, 09:10 PM   #4
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You cant look up part numbers its easier with chassis number or RPO
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Old 05-04-19, 05:25 PM   #5
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To get the right diagram i seem to need this info as when i pick random engines it comes out with different diagrams,so not sure the ones i posted are right for your car.

2,3 or 5 door?
LHD or RHD?
engine that is fitted?
gearbox-BVM5.BVM6 or AL4?

ESP,ESP+SSP or no ESP?
ABS OR NO ABS?

Pain the behind this sedre wiring program at times
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Old 05-04-19, 05:56 PM   #6
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I have found the problem!!

It was indeed the PSF module (broken track to Relay 6) so many thanks for your help Terry...and everyone else who offered advice on this thread. What a great bunch!

Martin 😀
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Old 05-04-19, 06:08 PM   #7
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Quote:
Originally Posted by cookm View Post
I have found the problem!!

It was indeed the PSF module (broken track to Relay 6) so many thanks for your help Terry...and everyone else who offered advice on this thread. What a great bunch!

Martin 😀
Hello!

I have som issues with my 207, with non working blower fan in the car.

I think the issue is in the fusebox, same as you.. Since i only got 3,6V on the fuse though its intact..

Do you have any pictures? I opened the box of the car but I only saw white relays and everything around covered in black plastic?
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Old 05-04-19, 06:20 PM   #8
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Hi,

No Iíve not got any pictures but basically I used a dremel to carefully remove the whole plastic base of the PSF unit which then exposes the piggy-backed pcbís. Waste of time trying to peel away the rubber moulding!

If you get that far successfully, then you can (again, carefully) jemmy apart the two pcb's with a large flat blade screwdriver, put aside the electronics pcb and expose the back of the relay/fuse pcb. Then the fun starts working out where the damaged track is...
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Old 05-04-19, 06:21 PM   #9
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...or you can simply buy a scrap one off eBay..!
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Old 05-04-19, 06:48 PM   #10
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Quote:
Originally Posted by cookm View Post
...or you can simply buy a scrap one off eBay..!
Yes, of course.. But I dont know for sure the issue is here.. dont know if the fuse only have voltage when the fan should be running? if the issue is in the ACC-unit :-/

Any idea?
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