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Old 12-02-2005, 08:04 PM   #1
Rootus
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Default Aftermarket seats in a 2006?

It just occured to me ... as I'm shopping for seats ... the 2006 Impreza has some kind of sensor built in to the passenger seat to automatically enable/disable the passenger-side airbag depending on how much weight is in the seat. Is there a way to override this with a switch perhaps? Having a non-functional passenger-side airbag will be a deal killer for getting aftermarket seats; it's bad enough losing the side-impact bags.

Dave
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Old 12-02-2005, 08:20 PM   #2
TheLegacy
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hmm they did that to the 05 legacy

all scoobies 02^ have SRS

way to disable it is a resistor... 2.2ohms? i cant remember of hand. I was going to do that, but brackets got to be a bitch and than i realized its worth have side airbags

so i did USDM STI seats in my wrx.... (only way i'd do racing seats is if i get a roll cage)
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Old 12-02-2005, 09:21 PM   #3
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another thing you shoul look at...

the 2006 impreza's have a sensor in the DRIVERS seat that senses seat position. This in turn tells the airbag how hard to deploy......... I personally am more worried about this sensor.

ps.... I considered the option of changing out the stock 06 seats too as my back does not like them
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Old 12-02-2005, 10:24 PM   #4
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I've been thinking about the dual-stage too, it's yet another concern to be addressed. I would be satisfied if I could force the airbags into full-power, full-time. I'm never going to be light enough or sit close enough to the wheel to need anything less . And any passengers I have will usually be similiarly sized.

Dave
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Old 12-02-2005, 11:09 PM   #5
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just cut the cable. im sure it wouldnt matter that much.
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Old 12-03-2005, 11:40 AM   #6
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Quote:
Originally Posted by jonney_boy
another thing you shoul look at...

the 2006 impreza's have a sensor in the DRIVERS seat that senses seat position. This in turn tells the airbag how hard to deploy......... I personally am more worried about this sensor.
ps.... I considered the option of changing out the stock 06 seats too as my back does not like them

...this is most disturbing to me, as I am looking to change seats.

If you wanna try TR seats.....I'll swap ya
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Old 12-03-2005, 07:59 PM   #7
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Alright, I've got more information about what we're up against.

First, there are four "loadcell sensors" that are located on the passenger's seat slide rail. These "detect the load on the seat applied by the passenger."

Second, there is a occupant detection control module, which is located beneath the passenger's seat cushion. This takes input from the sensors and determins whether an adult, child, or nobody is sitting in the seat.

Third, there is a seat position sensor on the driver's seat slide rail, which "detects the fore-aft position of the driver's seat and distinguishes the passenger."

On a positive note, it appears that all of these sensors are external to the seat itself, which may make it possible to re-use them with aftermarket seats.

Still need more info .

Dave

Last edited by Rootus; 12-03-2005 at 08:00 PM. Reason: Grammar fix
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Old 12-06-2005, 10:32 AM   #8
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Nobody?

I found out a little more. The service manual shows the loadcell sensors, but an update that I was just reading specific for MY06 says the occupant detection system actually uses a gel-filled bladder below the seat cushion to detect pressure.

Grrr. I want someone to take the plunge, and determine what is necessary to do aftermarket seats without totally compromising the airbag system. And I don't want to be that person myself .

Dave
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Old 02-23-2006, 04:27 AM   #9
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I have jumped headlong into the adventure of putting aftermarket seats (black microseude Corbeau CR1's) into my 2006 STI and this is what I've found so far about all the connectors under the seats:

Driver's Side
1- Side Airbag Module (can trick it with 3ohm resistor)
2- Seatbelt Latch Detection (transfers easily to new seat)
3- Seatbelt Tension Detection (transfers easily to new seat)
4- Seat Postion Sensor (just unbolt it from the old seat and plug it in under the new seat... it's just a two-pole detector with a metal plate that slides in between when the seat is way forward)

Passenger's Side
1- Side Airbag Module (can trick it with 3ohm resistor)
2- Occupant Detection Module; includes seatbelt latch sensor and load cell (not sure yet how to fool it)

(will edit as I get all the info)

As an alternative to the basic 3ohm resistor, Subaru has a part that is basically a test connector and plugs right into the airbag connector to simulate the load... it's just a custom resistor pack and sells for $9.95 but it looks OE. Part number is 98299PA040

Last edited by nhluhr; 04-10-2006 at 07:39 PM.
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Old 02-26-2006, 12:54 PM   #10
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Excellent! Not only is someone finally taking the plunge, but someone with good technical know how .

I'm getting antsy to do my own upgrade before too long. Just the other day I sat in my '95 Mustang GT to get something from the glovebox (the car is not running right now, and I have not sat in it for a year) ... well, the first thought to cross my mind was "wow, these seats are comfy." Doh! Given that Mustang GT seats are crap, that is not saying much for how the STI seats are fitting me.

I am planning on Recaro Sports. But I have not sat in one yet, so I cannot say for sure. I need to make a trip up to Seattle so I can try one in person. Or maybe I should just drop by the local Mitsu dealer and pretend to be interested in an Evo .

Dave
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Old 02-26-2006, 12:55 PM   #11
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heh... i'm no electrical engineer. I have no idea what to do about the extra sensors in this car...
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Old 02-26-2006, 02:37 PM   #12
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...well....the drivers seat position sensor would be best 'fooled' by using the stock slider/base...and if I swap seats, it's gonna be JUST the drivers seat.
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Old 02-26-2006, 03:19 PM   #13
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you can't use the stock slider/base with most aftermarket seats.
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Old 02-26-2006, 03:50 PM   #14
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I am guessing the seat position sensor will be the hardest. The weight sensor on the passenger side is in the cushion itself, and I am thinking it might be possible to transfer it (with some modifications to the cushion) to the aftermarket seat.

I would be happy to just fool the position sensor into believing that the seat is all the way back. Maybe unhook the connector and see if it seems to be a resistance sensor like the airbags.

Dave
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Old 02-26-2006, 08:43 PM   #15
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Subscribed. I too am looking into aftermarket fronts for the 06. Let's trick the sensors! WOO!
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Old 02-27-2006, 03:14 PM   #16
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i went totally intial d on my 2006 WRX TR and only replaced my seat rather than messing with the airbag bull****. My OMP type Extra seat works and feels great while I drive in the canyons. Got the seat in black due to the silver exterior color.
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Old 02-27-2006, 04:12 PM   #17
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Quote:
Originally Posted by 06blackeyewrx
i went totally intial d on my 2006 WRX TR and only replaced my seat rather than messing with the airbag bull****. My OMP type Extra seat works and feels great while I drive in the canyons. Got the seat in black due to the silver exterior color.
Post some pics unless you plan on hitting the SFV meet wednesday
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Old 04-10-2006, 07:00 PM   #18
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This weekend I just performed a complete v9 spec C RA interior swap into my 2006 TR. I was able to transfer the passenger side gel filled load sensor into the new seat, you will also need to transfer the airbag control module located in the old seat to the new seat. I used the resistors to fool the side airbag sensor on both the driver and passenger seat. I reused both seat belt receivers from the TR seats. The passenger side has a seat belt sensor, the driverside has both a seatbelt sensor and a seatbelt tension sensor. As far as the driverside seat position rail sensor, I just removed it from the TR seat and clipped it to the underside of the spec C seat, thus not triggering it. I don't see this as a problem since I have the seat slid all the way back. There probally is some kind of resistor trick, as it uses a two prong harness much like the airbag sensor, but I just don't what resistance it is.
-Chris
Oh, and before I get ttiwwop'd, I will post the pics when I get home tonight.

Last edited by TRooper; 04-10-2006 at 08:47 PM. Reason: spelling
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Old 04-10-2006, 07:01 PM   #19
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How did you go about removing the occupant detection bladder from the old seat? I've looked at it and it doesn't look very easy.
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Old 04-10-2006, 07:35 PM   #20
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Quote:
Originally Posted by nhluhr
How did you go about removing the occupant detection bladder from the old seat? I've looked at it and it doesn't look very easy.
This was actually very easy, much easier than I had initially thought. You will need to lift the upholstery retainer clips on the seat (two small black plastic clips on the sides, and one long plastic piece on the front of the seat. Fold back the upholstery slightly, and lift the foam. You will need to pop out two little green retainer clips. The bladder will then slide right out. Removing the module (black plastic box) is a little more involved. You will need a drill for this. Unplug the harness, and drill out the two rivets.

Last edited by TRooper; 04-10-2006 at 07:43 PM. Reason: spelling
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Old 04-10-2006, 07:37 PM   #21
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Okay sounds good. I think I'll attempt this asap.

One question - in the service manual, it says the occupant detection module has to be calibrated when replaced or removed. Did you do anything about this or does it just seem to work correctly? I assume you tested it by having somebody sit in the seat, right?
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Old 04-10-2006, 07:50 PM   #22
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Quote:
Originally Posted by nhluhr
Okay sounds good. I think I'll attempt this asap.

One question - in the service manual, it says the occupant detection module has to be calibrated when replaced or removed. Did you do anything about this or does it just seem to work correctly? I assume you tested it by having somebody sit in the seat, right?
It has not been recalibrated, but it was tested. A passenger was in the seat with a seat belt on, the passenger air bag light (in the clock pod) turned "ON". The passenger then unbuckled the belt and got out of car, the light turned to the "OFF" position. The air bag light in the cluster came on as usual with the key in, and then turned off upon startup of the vehicle.
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Old 04-13-2006, 11:16 PM   #23
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Great to hear that people are now doing the swap and working out the details! I'm headed up to Seattle tomorrow and I'm planning on stopping in at Speedware to check out the various aftermarket seats. If I get a real wild hair, I may end up with a pair of Recaro Sports... lot o' money, but I'm starting to get real sick of the stock seats now.

Dave
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Old 04-14-2006, 12:04 AM   #24
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Hey...check out my post about Bride ErgoII's.
http://forums.nasioc.com/forums/showthread.php?t=982630
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Old 04-14-2006, 12:17 AM   #25
matay
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does anyone know... if i swap the 06 2.5i impreza seats with the 05 sti seats... can i use the same bracket as the 2.5i and disable all those sesnsors??? well for sure the driver seat side airbag is gone for sure.... how bout the passenger weight sesnsory thing? need to disable as welL?
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