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Airbag Light On - Error Code help! #1614952
24/01/2018 20:55
24/01/2018 20:55
Joined: Jun 2011
Posts: 210
Bonnybridge
J
Jay1984 Offline OP
Making a profit
Jay1984  Offline OP
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J

Joined: Jun 2011
Posts: 210
Bonnybridge
Hi All,

Hope you're all well!

Just after a bit of advice. I'm trying to get my Airbag light off (the right way - fix the problem, not remove the bulb). I've finally managed to get the fault codes read and I've tried to clear them. All codes (i.e. low voltage) have gone with the exception of one. I've used a couple of different software systems and the code is translated as follows -

05 - Passenger Airbag Exclusion Control Light - Open Circuit / Short Circuit at Ground PRESENT 207.

0005 - Failed Component Code: Passenger AirBag Inhibition Light
Error Code Status : Error Present

I'll try to attach photos below - hope they work...

click to enlarge

click to enlarge

click to enlarge

...and just out of curiosity, anyone know what this green fuse is for? Cos mine looks a bit fried!

click to enlarge

Any advice to get rid of this light would be much appreciated.

Cheers,

J

Last edited by Jay1984; 24/01/2018 21:56.
Re: Airbag Light On - Error Code help! [Re: Jay1984] #1614966
25/01/2018 09:15
25/01/2018 09:15
Joined: Jun 2009
Posts: 60
Fleet, Hampshire
W
williamsdad Offline
Club member 1619
williamsdad  Offline
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Joined: Jun 2009
Posts: 60
Fleet, Hampshire
do you actually have a passenger airbag? i think i read on fb that you have the dials off a plus in your car... could it be that the airbag ecu is looking for an airbag that isnt there?


2000 20VT Plus in Electric Blue
[imgpop]http://www.cjs.me.uk/coupe/my-coupe.jpg[/imgpop]
Re: Airbag Light On - Error Code help! [Re: Jay1984] #1614967
25/01/2018 09:46
25/01/2018 09:46
Joined: Jun 2011
Posts: 210
Bonnybridge
J
Jay1984 Offline OP
Making a profit
Jay1984  Offline OP
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Joined: Jun 2011
Posts: 210
Bonnybridge
Hi, yes the car does have a passenger airbag just above the glovebox (also has the switch inside the glovebox to de-activate the airbag). The dials were replaced from standard to Plus dials but the airbag light had been on prior to the swap. The previous owner had removed the airbag bulb though.

Had a bit of help on the FB post and I’ll look into this amber airbag light that is apparently supposed to illuminate briefly when you switch the car on. It should also illuminate constantly when the passenger airbag is deactivated using the switch in the glovebox. Mine doesn’t illuminate at all.

I’ll see if I can locate the correct bulb and use my multimeter to establish whether any power is being sent here. If not, possibly a bad connection or broken wire somewhere.

Thanks for the response. Appreciate any pointers I can get!

Jay

Re: Airbag Light On - Error Code help! [Re: Jay1984] #1615046
26/01/2018 21:07
26/01/2018 21:07
Joined: May 2009
Posts: 336
bristol
mr_nobut Offline
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mr_nobut  Offline
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bristol
Hi jay, I had a similar fault on my airbag when I bought the car.

Someone had taken the airbag bulb out. If you do this and you happen to have a model with a switch in the glovebox, it will cause the 'passenger airbag deactivated' light (orange light on the far left) to constantly flash. Someone had even put black tape over this as obviously couldn't sort it out.

My fault turned out to be a dodgy connector under the drivers seat!! Can't remember how the seat connector triggers the airbag though!! Just fiddling with connectors and a reset sorted it, think I was lucky!!!


inky goodness!!
Re: Airbag Light On - Error Code help! [Re: Jay1984] #1615048
26/01/2018 21:15
26/01/2018 21:15
Joined: Jul 2014
Posts: 185
UK doncaster
markopolo Offline
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markopolo  Offline
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Joined: Jul 2014
Posts: 185
UK doncaster
The green fuse is for one of the radiator fans I think.
30 or 40 amp..
There's 2 different size fans on radiator if I remember correctly.

Re: Airbag Light On - Error Code help! [Re: Jay1984] #1615094
28/01/2018 15:06
28/01/2018 15:06
Joined: Jun 2011
Posts: 210
Bonnybridge
J
Jay1984 Offline OP
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Jay1984  Offline OP
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Joined: Jun 2011
Posts: 210
Bonnybridge
Hi all,

Quick update - I was advised to check the amber light (as mentioned above). Took the dials out and low and behold, missing bulb! Replaced it and the amber light now comes on, flashes, and goes out (also tested that it does stay on solid if I switch the passenger airbag off).

Hooked up the laptop and finally managed to clear all fault codes!

click to enlarge

However, the little red light of annoyance has remained illuminated!

click to enlarge

Can anyone think of any reason that the red airbag light would stay on even after all the fault codes have been cleared? I’ve started it about 10 times now just in case it needed to see no faults re-occurring, I’ve also scanned the ecu since and still showing no faults.

All thoughts and recommendations would be much appreciated!

Thanks,

Jay

Re: Airbag Light On - Error Code help! [Re: Jay1984] #1615099
28/01/2018 17:12
28/01/2018 17:12
Joined: Dec 2005
Posts: 7,123
Lightwater, Surrey, UK
DaveG Offline
Club Member 311
DaveG  Offline
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Joined: Dec 2005
Posts: 7,123
Lightwater, Surrey, UK
Have you tried the old reset trick of simply disconnecting the battery and waiting a while, joining the +ve and -ve leads together, reconnecting and trying again?


1996 Portofino 20vt & 2000 Pearl White Plus
1985½ & 2016 2017 Fiat 124 Spider + XF Sportbrake
Re: Airbag Light On - Error Code help! [Re: Jay1984] #1615190
30/01/2018 11:28
30/01/2018 11:28
Joined: Sep 2017
Posts: 70
Notts
1
1200smithy Offline
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1200smithy  Offline
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Joined: Sep 2017
Posts: 70
Notts
Just going to try that on mine! I'll let you know. I think mine came on due to low voltage. But it now will not go off!
These silly problems are not just related to FIAT. My Volvo V70 estate was just as bad until I found the right guy!


Smithy
59 PF 1500 Lampredi twincam Cabrio,
63 PF 1500 Lampredi cross flow Cabrio,
95 PF 16v Coupe
Re: Airbag Light On - Error Code help! [Re: Jay1984] #1616089
19/02/2018 11:31
19/02/2018 11:31
Joined: Sep 2017
Posts: 70
Notts
1
1200smithy Offline
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Posts: 70
Notts
Stupid light still on! Also Injector light flashed a couple of times yesterday!


Smithy
59 PF 1500 Lampredi twincam Cabrio,
63 PF 1500 Lampredi cross flow Cabrio,
95 PF 16v Coupe
Re: Airbag Light On - Error Code help! [Re: 1200smithy] #1616128
19/02/2018 19:42
19/02/2018 19:42
Joined: Feb 2006
Posts: 88
Newbury
MIB Offline
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Newbury
The only thing I can suggest is to check that there isn't a fault with the wiring behind the dash. From the wiring diagram I can see that one side of the warning light is connected to battery +ve when the key is turned. I presume that the other side is grounded by the airbag ECU when a fault is present. Maybe the insulation on this wire is damaged somewhere and grounding to metal, causing the light to be on. You could test the theory by unplugging the airbag ECU and see if the bulb is still on when you turn the key.
Good luck!


[Linked Image]
Bog standard!
Re: Airbag Light On - Error Code help! [Re: MIB] #1616174
20/02/2018 15:34
20/02/2018 15:34
Joined: Sep 2017
Posts: 70
Notts
1
1200smithy Offline
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Posts: 70
Notts
thanks


Smithy
59 PF 1500 Lampredi twincam Cabrio,
63 PF 1500 Lampredi cross flow Cabrio,
95 PF 16v Coupe
Re: Airbag Light On - Error Code help! [Re: Jay1984] #1621737
11/06/2018 18:10
11/06/2018 18:10
Joined: Jun 2011
Posts: 210
Bonnybridge
J
Jay1984 Offline OP
Making a profit
Jay1984  Offline OP
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Joined: Jun 2011
Posts: 210
Bonnybridge
Just realised I didn’t update this thread! Always bugs me when folk don’t share the outcome of an issue, especially when it was a good one and the problem is now resolved! Sorry

So, the clue was actually tucked away in this thread the whole time...

Originally Posted By williamsdad
do you actually have a passenger airbag? i think i read on fb that you have the dials off a plus in your car... could it be that the airbag ecu is looking for an airbag that isnt there?


Only it wasn’t the passenger airbag that was missing! It was side airbags. Apparently my dials were the rarer type that registered side airbags. So, the dials were swapped with the base of a different set of dials. They were tested using GPS to ensure the speedometer was still accurate (I kept all the speedometer parts from the plus dials) and all was good. Hooked up the laptop and reset the airbag ECU one last time and the light went off!

Hope that explanation makes sense!

Cheers,

Jay

Re: Airbag Light On - Error Code help! [Re: Jay1984] #1621750
12/06/2018 06:58
12/06/2018 06:58
Joined: Dec 2005
Posts: 7,123
Lightwater, Surrey, UK
DaveG Offline
Club Member 311
DaveG  Offline
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Joined: Dec 2005
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Lightwater, Surrey, UK
It's good that you solved it (and remembered to come back and tell us wink ) but I would have thought that it's only the airbag ECU that can "register" side airbags, when you say "dials" I assume you mean the instrument panel - all that does it have a warning light? Did you swap the airbag ECU as well?


1996 Portofino 20vt & 2000 Pearl White Plus
1985½ & 2016 2017 Fiat 124 Spider + XF Sportbrake
Re: Airbag Light On - Error Code help! [Re: Jay1984] #1621751
12/06/2018 07:42
12/06/2018 07:42
Joined: Jun 2011
Posts: 210
Bonnybridge
J
Jay1984 Offline OP
Making a profit
Jay1984  Offline OP
Making a profit
J

Joined: Jun 2011
Posts: 210
Bonnybridge
ECU wasn’t changed, apparently some plus dials (typical only the rare ones) will not switch the light off unless they get the right signal from the ECU.

You’ll see from my photos above that the ECU was reading “No Fault codes” but the red light remained on. But, when I swapped the dials for a standard set, the light went off. So I knew it must have been the dial unit itself. It was then a case of swapping all the PLUS dial faces over to a standard unit (check out the “How 2” section where I documented how to swap the Rev counter - I just did the same thing for all the faces). The risk was that the PLUS speedometer reads higher than the standard one... or vice versa, I forget! So I made sure I kept the plus speedometer mechanics and tested it with GPS to make sure the speedo was still fairly accurate.

Cheers,

J

Re: Airbag Light On - Error Code help! [Re: Jay1984] #1621753
12/06/2018 08:27
12/06/2018 08:27
Joined: Dec 2005
Posts: 7,123
Lightwater, Surrey, UK
DaveG Offline
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DaveG  Offline
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Joined: Dec 2005
Posts: 7,123
Lightwater, Surrey, UK
OK thanks, I know the later Plus dials are also different for the later ABS with EBFD (electronic brake force distribution). Thanks for the clarification.


1996 Portofino 20vt & 2000 Pearl White Plus
1985½ & 2016 2017 Fiat 124 Spider + XF Sportbrake
Re: Airbag Light On - Error Code help! [Re: Jay1984] #1621756
12/06/2018 08:50
12/06/2018 08:50
Joined: Sep 2006
Posts: 14,702
FCSS 01684 593187
Countrycruising Offline
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Countrycruising  Offline
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Posts: 14,702
FCSS 01684 593187
For future reference some very late Plus dials have an LED for an airbag dash light, there's a diode on the card which if it fails brings the light on but no code error so sounds very much like this is what's happened with yours Jay.

Re: Airbag Light On - Error Code help! [Re: Countrycruising] #1621758
12/06/2018 09:19
12/06/2018 09:19
Joined: Jun 2011
Posts: 210
Bonnybridge
J
Jay1984 Offline OP
Making a profit
Jay1984  Offline OP
Making a profit
J

Joined: Jun 2011
Posts: 210
Bonnybridge
Originally Posted By Countrycruising
For future reference some very late Plus dials have an LED for an airbag dash light, there's a diode on the card which if it fails brings the light on but no code error so sounds very much like this is what's happened with yours Jay.


You could be right Joe, my dials did have the LED airbag light instead of a standard bulb. It was another specialist that told me it was looking for a side airbag. But perhaps that diode was dead!

Every days a school day.


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