Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB
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Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB (https://www.ft86club.com/forums/index.php)
-   DIY (Do-It-Yourself) Guides (https://www.ft86club.com/forums/forumdisplay.php?f=43)
-   -   Airbag light trick for racing seats. (https://www.ft86club.com/forums/showthread.php?t=16293)

gpvecchi 04-02-2021 03:50 PM
I'd need to remove the knee airbag from the EU version, do you know what is the correct value of the resistance? Can I measure it with a multimeter?
And, more important, what if the ECU should send the ignition current because of an accident? The wires are almost in short circuit....

ls1ac 04-02-2021 08:12 PM
Be very carful putting a multimeter across the terminals. Some have an inrush current.

Put a fuse inline with the resistor.

You are in an accident that will deploy the air bag and are worried about burning out a resistor?

gpvecchi 04-03-2021 03:28 AM
Thanks, not worried for burning out the resistor, but the whole airbag cable...

LateOnTheBrakes 12-05-2022 12:58 PM
1 Attachment(s)
Has anyone tried the Recaro universal resistor instead of the Bride or just putting a resistor into the connector? It looks much cleaner if it works.

https://www.vividracing.com/recaro-u...152867045.html

Falkon240 12-05-2022 02:09 PM
Quote:
Originally Posted by LateOnTheBrakes (Post 3559047)
Has anyone tried the Recaro universal resistor instead of the Bride or just putting a resistor into the connector? It looks much cleaner if it works.

https://www.vividracing.com/recaro-u...152867045.html
I see you on other threads chasing this down. I'm tired of my cluster lighting up like a Christmas tree once I start driving.

Very curious to see what you find.

LateOnTheBrakes 12-07-2022 12:38 PM
2 Attachment(s)
Yeah, I still have no idea where the 2.2 or 3.3 Ohm value came from. I measured the driver's side plug resistance to be like 0.4 Ohms.

LateOnTheBrakes 12-07-2022 12:38 PM
Quote:
Originally Posted by TCR (Post 2345235)
I'm considering purchasing a race seat to install for track days only, as I need to have a seat with functioning air bags for street legality here. If I set the race seat up correctly with mounts fixed to suit my seating position, it should be a pretty straight forward swap, but I don't want to have to keep inserting and removing a resistor from the plug each time I swap.

Does anyone know if you could buy a spare plug to wire a permanent resistor to, so that all I'd have to do was switch plugs so to speak?

Something like this maybe?

http://www.sportseats4u.co.uk/recaro...prod_3950.html

http://www.sportseats4u.co.uk/images...g-Resistor.JPG
Did you buy that recaro universal resistor? Any luck?

tigermack 12-14-2022 04:40 AM
Quote:
Originally Posted by LateOnTheBrakes (Post 3559332)
Yeah, I still have no idea where the 2.2 or 3.3 Ohm value came from. I measured the driver's side plug resistance to be like 0.4 Ohms.
Resistor worked, tho. :iono:

LateOnTheBrakes 12-22-2022 09:43 PM
1 Attachment(s)
Quote:
Originally Posted by LateOnTheBrakes (Post 3559333)
Did you buy that recaro universal resistor? Any luck?
No. I reached out to recaro and the connector isn't the same. I bought the NRG resistor and it worked fine.

https://getnrg.com/products/srk-res

RedReplicant 12-23-2022 04:15 PM
The SRS light can be turned off on the dash via CAN... I don't know what would happen if the SRS module was still in the car when this was done though :)

The CAN ID is 372, for anyone looking to sniff quick.

EPAS light can also be turned off via CAN.

geraldjust 12-24-2022 01:15 AM
Quote:
Originally Posted by RedReplicant (Post 3561553)
The SRS light can be turned off on the dash via CAN... I don't know what would happen if the SRS module was still in the car when this was done though :)

The CAN ID is 372, for anyone looking to sniff quick.

EPAS light can also be turned off via CAN.
having two can ID can interfere and multiple devices can throw a error. if you have the airbag module disconnected then it should work. but doesn't fix if you want the rest of the SRS system to keep working properly. wont also fix the issue of the passenger occupancy sensor either though.

Nmstec 12-26-2022 11:39 AM
Quote:
Originally Posted by LateOnTheBrakes (Post 3559332)
Yeah, I still have no idea where the 2.2 or 3.3 Ohm value came from. I measured the driver's side plug resistance to be like 0.4 Ohms.
If you look carefully inside, you'll notice theres a shorting bar. When the connector is unplugged that bar shorts the two pins as a precaution from people trying to explode airbags. 3.3 Ohms is also wrong, as someone who did do that had bad probes. However, that being said, any 1/4w resistor between 1.8 and 3.3ohm will do the trick.

Nmstec 12-26-2022 11:45 AM
Quote:
Originally Posted by geraldjust (Post 3561608)
having two can ID can interfere and multiple devices can throw a error. if you have the airbag module disconnected then it should work. but doesn't fix if you want the rest of the SRS system to keep working properly. wont also fix the issue of the passenger occupancy sensor either though.
Yes, but, you can always MITM attack the cluster.

Every vehicles SRS logic will still attempt to fire the airbags, even if they are disconnected. If the Occupancy sensor fails, it resorts to looking at the passenger side buckle. If Buckled, explode.

Address and data for turning SRS light off (gerald is right, don't just flood the message, either MITM it, or disable SRS module all together.)

0x372 {0x00, 0xYY, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};

Where YY is a counter, 00 - F0. Rolls over, starts at 00.

Marcoscrdo 03-18-2024 08:05 AM
Opening up this thread.. Anyone have updated pictures or a write up for this? I have my stock limited brz seats, what gets transferred over, all the wiring inside?


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