#1: No Horn & Airbag Fault (is this the cause)? Author: tommyb32, Location: East SussexPosted: Mon Jan 25, 2016 10:31 am ---- 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?
#2: Re: No Horn & Airbag Fault (is this the cause)? Author: olly, Location: west midsPosted: Mon Jan 25, 2016 3:50 pm ---- 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.
#3: Re: No Horn & Airbag Fault (is this the cause)? Author: Sim, Location: West CountryPosted: Mon Jan 25, 2016 6:16 pm ---- 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.
#4: Re: No Horn & Airbag Fault (is this the cause)? Author: tommyb32, Location: East SussexPosted: Tue Jan 26, 2016 7:19 am ---- 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
#5: Re: No Horn & Airbag Fault (is this the cause)? Author: Sim, Location: West CountryPosted: Tue Jan 26, 2016 7:40 am ---- Which year is your car and model mate?
#6: Re: No Horn & Airbag Fault (is this the cause)? Author: Timon2210, Location: PalestinePosted: Tue Jan 26, 2016 10:12 am ---- 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.
#7: Re: No Horn & Airbag Fault (is this the cause)? Author: tommyb32, Location: East SussexPosted: Tue Jan 26, 2016 10:53 am ---- She is an 03 - 180
#8: Re: No Horn & Airbag Fault (is this the cause)? Author: Sim, Location: West CountryPosted: Tue Jan 26, 2016 10:57 am ----
I'd start from power end, once that's sure to function, it's time to plug PP2000 and eventually suspect Com2000
#9: Re: No Horn & Airbag Fault (is this the cause)? Author: tommyb32, Location: East SussexPosted: Tue Jan 26, 2016 2:31 pm ---- thanks sim great help!
#10: Re: No Horn & Airbag Fault (is this the cause)? Author: Sim, Location: West CountryPosted: Tue Jan 26, 2016 4:57 pm ---- Keep us posted mate
#11: Re: No Horn & Airbag Fault (is this the cause)? Author: tommyb32, Location: East SussexPosted: Tue Feb 09, 2016 2:19 pm ---- turns out that 3rd wire isnt needed. new com200 is the same.
#12: Re: No Horn & Airbag Fault (is this the cause)? Author: Sim, Location: West CountryPosted: Tue Feb 09, 2016 4:23 pm ----
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?
#13: Re: No Horn & Airbag Fault (is this the cause)? Author: tommyb32, Location: East SussexPosted: Wed Feb 10, 2016 7:32 am ---- horn is fixed and working, new horn fixed this. getting codes read and reset this afternoon will keep you posted.
#14: Re: No Horn & Airbag Fault (is this the cause)? Author: Sim, Location: West CountryPosted: Wed Feb 10, 2016 7:45 am ---- 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.
#15: Re: No Horn & Airbag Fault (is this the cause)? Author: tommyb32, Location: East SussexPosted: Wed Feb 10, 2016 9:01 am ---- 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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