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Author Topic: Bypass passeneger seat airbag sensor mk2 diesel - no passeneger seat!  (Read 213 times)

Offline JR Watchet

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  • Model: Galaxy Mk2
  • Spec: tdi
  • First Name: John
  • Region: South West
  • Country: United Kingdom
Following recent help here, can not find answer any where on forum.

I make long journeys without passenger seat (Moving 3m lengths of timber) and of course removing the passenger seat brings on the airbag warning.  This is a great nuisance at night as bright yelloe light!    I have the Rosstech programmer so can reset the warning when seat refitted but would like to find what value resistor and
which pins to use in order to stop the light coming on..   We are electrical and mechanical engineers so everything we do has to be safe, but "pretendinG" the airbag is there for no passenger seat is not a problem.

Thanks
John
Somerset

2005 Mk2 diesel

Offline Mirez

  • Pondering the next mod...
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  • Model: Galaxy Mk2
  • Spec: 03 115PS Ghia
  • First Name: Mark
  • Region: South West
  • Country: United Kingdom
Re: Bypass passeneger seat airbag sensor mk2 diesel - no passeneger seat!
« Reply #1 on: January 27, 2020, 01:08:48 PM »
First though is why not just buy a van? Surely the effort of bolting and unbolting the seat with any frequency becomes cumbersome quickly?

Secondly, the SRS system is looking for a resistance of 3.3Ohm +/- .8

Third, although I've not rummaged about in the settings for the 7N airbag controller, I have in the past disabled the airbag from within VCDS on a 9N and 3C. If you look in the controller, you may find you can simply turn it off there instead of faffing with resistors.
03 Ford Galaxy 1.9 TDI 115 Ghia in Spruce Green Metallic
With cream leather interior, Full Bodykit, Remapped at 145bhp, Lowered on 18's
06 VW EOS 2.0 T-FSI 210 Sport in Deep Black Pearl
With red leather interior with full Caractere bodykit, Remapped at 255bhp and sitting on 19's
14 VW Tiguan 2.0 TDI 177 R-Line in Deep Black Pearl
With black leather interior, panoramic sunroof and bi-xenon headlights.
08 Ford Transit 2.2 TDI 115 in Frozen White
With retrofitted everything except another slidey door! :)

VCDS HEX/CAN - Scans/Coding done in Wiltshire in exchange for winegums! :)

Offline JR Watchet

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  • Model: Galaxy Mk2
  • Spec: tdi
  • First Name: John
  • Region: South West
  • Country: United Kingdom
Re: Bypass passeneger seat airbag sensor mk2 diesel - no passeneger seat!
« Reply #2 on: January 27, 2020, 01:37:59 PM »
Van...I have some but too big!

We have 3 of these Galaxy vehicles and use them as family cars and for business - I can get 2 fruit machines (my business)
in one! 

Only need to remove seat once a year when I take car to Czech Republic, often with long items (in this case 40 lengths of 3m
timber) but leave the car there.  Have the Rosstech unit so probably easy to reset but for 4 days driving would be nice to have
light off and I can not work out if one sensor fault disbales all the airbags!

Will grab a resitor out of the racks later and try it but do you have which pins to use?  Waiting for my tame Ford dealer to
send me wiring drawings.

Many thanks
John Richards
Watchet
Somerset

p.s. Seeing you are south west - anywhere near?


Offline Mirez

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  • Model: Galaxy Mk2
  • Spec: 03 115PS Ghia
  • First Name: Mark
  • Region: South West
  • Country: United Kingdom
Re: Bypass passeneger seat airbag sensor mk2 diesel - no passeneger seat!
« Reply #3 on: January 27, 2020, 08:09:16 PM »
The side airbags are only two pins so dont need to spell out where it goes lol.

Grab a connector from a scrapped car and then you have a plug in 'module' for when you remove it.

Yeah not far from Somerset at all, I'm in Westbury, Wiltshire ;)
03 Ford Galaxy 1.9 TDI 115 Ghia in Spruce Green Metallic
With cream leather interior, Full Bodykit, Remapped at 145bhp, Lowered on 18's
06 VW EOS 2.0 T-FSI 210 Sport in Deep Black Pearl
With red leather interior with full Caractere bodykit, Remapped at 255bhp and sitting on 19's
14 VW Tiguan 2.0 TDI 177 R-Line in Deep Black Pearl
With black leather interior, panoramic sunroof and bi-xenon headlights.
08 Ford Transit 2.2 TDI 115 in Frozen White
With retrofitted everything except another slidey door! :)

VCDS HEX/CAN - Scans/Coding done in Wiltshire in exchange for winegums! :)

Online johnnyroper

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  • Model: Galaxy Mk2
  • Spec: 02 tdi 115 ghia
  • Region: South West
  • Country: United Kingdom
Re: Bypass passeneger seat airbag sensor mk2 diesel - no passeneger seat!
« Reply #4 on: January 27, 2020, 09:12:19 PM »
Would the pre tensioner need bridging with resistor aswell?

Should be easy enough to work out though as wiring on seat will go towards side air bag (2 wires)
Then 2 wires to pretensioner. Canít remember if they also have seat belt alarm but SRS related stuff is usually yellow or orange outer sheathing

Offline Mirez

  • Pondering the next mod...
  • *
  • Posts: 3594
  • Thanked: 131
  • Model: Galaxy Mk2
  • Spec: 03 115PS Ghia
  • First Name: Mark
  • Region: South West
  • Country: United Kingdom
Re: Bypass passeneger seat airbag sensor mk2 diesel - no passeneger seat!
« Reply #5 on: January 27, 2020, 09:15:26 PM »
Nope the pretensioner lives to the side of the seat and wont be disconnected when it gets removed ;)
03 Ford Galaxy 1.9 TDI 115 Ghia in Spruce Green Metallic
With cream leather interior, Full Bodykit, Remapped at 145bhp, Lowered on 18's
06 VW EOS 2.0 T-FSI 210 Sport in Deep Black Pearl
With red leather interior with full Caractere bodykit, Remapped at 255bhp and sitting on 19's
14 VW Tiguan 2.0 TDI 177 R-Line in Deep Black Pearl
With black leather interior, panoramic sunroof and bi-xenon headlights.
08 Ford Transit 2.2 TDI 115 in Frozen White
With retrofitted everything except another slidey door! :)

VCDS HEX/CAN - Scans/Coding done in Wiltshire in exchange for winegums! :)

Offline brianh

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  • Posts: 702
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  • Model: Galaxy Mk2
  • Spec: 2001 2.3 Ghia LPG
  • First Name: Brian
  • Region: South East
  • Country: United Kingdom
Re: Bypass passeneger seat airbag sensor mk2 diesel - no passeneger seat!
« Reply #6 on: January 27, 2020, 09:25:04 PM »
And yes, the whole lot is disabled if that fault light is on (think that question got missed higher up). Though how good an airbag would be when its 15 years old is another question anyway, manufacturers usually suggest around 10 years is the expected lifespan.

Online johnnyroper

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  • Model: Galaxy Mk2
  • Spec: 02 tdi 115 ghia
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  • Country: United Kingdom
Re: Bypass passeneger seat airbag sensor mk2 diesel - no passeneger seat!
« Reply #7 on: January 28, 2020, 02:29:44 PM »
Nope the pretensioner lives to the side of the seat and wont be disconnected when it gets removed ;)

Even easier to bypass with a resistor then

Offline JR Watchet

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  • Model: Galaxy Mk2
  • Spec: tdi
  • First Name: John
  • Region: South West
  • Country: United Kingdom
Re: Bypass passeneger seat airbag sensor mk2 diesel - no passeneger seat!
« Reply #8 on: February 07, 2020, 06:50:39 PM »
Hi all,

Thanks for previous.   Seat now out BUT there is a single loom that goes up to the airbag mounted on the side of the seat (passenger)
with THREE wires in it.     Still trying to find wiring details - even my (very) friendly main dealer tech can not pull anything up on the
wiring from the Ford systems.

We are an electronic repair company so can read drawings easy and I could (carefully) remove the airbag after disconnecting the
connector (and waiting 30 mins) and find out what is what, but would be easier if I knew what the 3 wires are.  No seat tensioners or anything else -
this is 2005 model and no display for seat belts not connected - traced wire loom up to airbag.

Any more clues please?

Otherwise I think it is (again carefully!) remove an airbag from passeneger seat in a scrap Galaxy I have access to and leaving it connected well wrapped in buble wrap in floor well under the seat - I think the 100kg of timber on top will keep it safe until refit main seat!

Replies welcomed!


John


Offline brianh

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  • Posts: 702
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  • Model: Galaxy Mk2
  • Spec: 2001 2.3 Ghia LPG
  • First Name: Brian
  • Region: South East
  • Country: United Kingdom
Re: Bypass passeneger seat airbag sensor mk2 diesel - no passeneger seat!
« Reply #9 on: February 07, 2020, 07:48:59 PM »
That actually could be a very bad idea - trying to contain the resulting explosion if it did go off, would be unlikely to end well. I'd guess it may be the case there are 2 igniters in there, with a common ground which you would expect to be the centre pin. But it would literally be that, a guess. I'd suggest investigating the scrap one you have to be your best course of action, as you should with any luck be able to see a bit better whats going on with that if you get it out of the seat.

 

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