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 Posted: Mon Jan 25, 2016 10:31 am |
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Joined: May 06, 2013
Posts: 83
Trade Rating: 0
Location: East Sussex
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So ive had no horn that was intermittent for a short period for a while now.
ive got my MOT coming up and today im getting Airbag fault to.
ive tried to inspect what could be the cause and have stumbled across this (photo)...
The grey clip that has 3 ribbon cables attached seems to be the problem, one of the 3 cables as torn. Can anybody clarify that this would be the cause of having no horn then after time an airbag fault?
if so how do i fix this? is it a new com2000 unit or can i get the cables on their own?
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Posted: Mon Jan 25, 2016 3:50 pm |
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Joined: Nov 16, 2011
Posts: 60
Trade Rating: 0
Location: west mids
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Where does that connector come from? An you see where/if the 3rd copper track should go too?
If I remember right red and black wire are the horn.
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Posted: Mon Jan 25, 2016 6:16 pm |
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Joined: Jun 20, 2012
Posts: 1171
Trade Rating: +1
Location: West Country
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It may be that the grey connector is using only two out of that 3-wired ribbon, for black and red cables, that come into short circuit to trigger the horn. Much cheaper in production, rather than sourcing a two-track one.
Have you checked your horn is fine itself (run some live wires straight from battery, with all care taken naturally), and hasn't blown its fuse either?
You'd then anyway need PeugeotPlanet to see which airbag is at fault, it all might be just a sequence of unrelated unfortunate events (when it rains, it pours), as horn and airbag aren't in common (except running as ribbons inside Com2000, when you turn the wheel, so they still work from full lock to full lock). And also if your Com2000 isn't completely knackered; I know mine GTi 180 was after someone tried to fit a boss kit...
But I would start from main electrics first and work your way down to VAN communications (data signal bus between Com2000, BSI, and the horn relay) only as last check.
Your car ir multiplexed I presume.
PeugeotPlanet is also able to activate horn as a test.
On GTi I found the connectors on horn itself had covered in green rust, due to horn's location being exposed to elements and what not. A good scrub inside both jack and the socket brought the sounding back.
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Posted: Tue Jan 26, 2016 7:19 am |
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Joined: May 06, 2013
Posts: 83
Trade Rating: 0
Location: East Sussex
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Thanks for the info currently at work can and will look for myself when I'm home but... Does anyone know the location of the fuse for the horn and relay etc... Thanks in advance
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Posted: Tue Jan 26, 2016 7:40 am |
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Joined: Jun 20, 2012
Posts: 1171
Trade Rating: +1
Location: West Country
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Which year is your car and model mate?
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Posted: Tue Jan 26, 2016 10:12 am |
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Joined: Feb 10, 2010
Posts: 4266
Trade Rating: +4
Location: Palestine
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Usually the Horn and airbag faults caused by a fauly Com2000 unit,so a used one in great condition,or a new one will fix this,but to be sure,try to got it scanned with PP2000.
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Posted: Tue Jan 26, 2016 10:53 am |
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Joined: May 06, 2013
Posts: 83
Trade Rating: 0
Location: East Sussex
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She is an 03 - 180
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Posted: Tue Jan 26, 2016 10:57 am |
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Joined: Jun 20, 2012
Posts: 1171
Trade Rating: +1
Location: West Country
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| tommyb32 wrote: |
| She is an 03 - 180 |
Engine fusebox, F13 15A , this helps 
I'd start from power end, once that's sure to function, it's time to plug PP2000 and eventually suspect Com2000
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Posted: Tue Jan 26, 2016 2:31 pm |
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Joined: May 06, 2013
Posts: 83
Trade Rating: 0
Location: East Sussex
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thanks sim great help!
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Posted: Tue Jan 26, 2016 4:57 pm |
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Joined: Jun 20, 2012
Posts: 1171
Trade Rating: +1
Location: West Country
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Keep us posted mate
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Posted: Tue Feb 09, 2016 2:19 pm |
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Joined: May 06, 2013
Posts: 83
Trade Rating: 0
Location: East Sussex
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turns out that 3rd wire isnt needed. new com200 is the same.
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Posted: Tue Feb 09, 2016 4:23 pm |
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Joined: Jun 20, 2012
Posts: 1171
Trade Rating: +1
Location: West Country
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| tommyb32 wrote: |
| turns out that 3rd wire isnt needed. new com200 is the same. |
Just as expected.
So have you tested the horn itself by wiring it up straight to battery?
And have you read airbag faults with PP2000, if new Com2000 hasn't sorted it?
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Posted: Wed Feb 10, 2016 7:32 am |
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Joined: May 06, 2013
Posts: 83
Trade Rating: 0
Location: East Sussex
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horn is fixed and working, new horn fixed this. getting codes read and reset this afternoon will keep you posted.
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Posted: Wed Feb 10, 2016 7:45 am |
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Joined: Jun 20, 2012
Posts: 1171
Trade Rating: +1
Location: West Country
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Cheers, and good luck!
Just to mention that airbag fault message doesn't necessarily mean steering wheel's airbag (Com2000 merely relays the two cables for it), can be either of other ones as well. Hence the PP2000 info is a best trusted source.
Proper scanners at the garage (those for £1000 and more that they use), should also be just as good.
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Posted: Wed Feb 10, 2016 9:01 am |
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Joined: May 06, 2013
Posts: 83
Trade Rating: 0
Location: East Sussex
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just had faults read ive now got fault P1801 Drivers Level 1 airbag igniter open circuit scanner used is a snap-on solus pro
any ideas for what causes this?
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