DIY: [How-To:] Racing Seat airbag light fix

happytheman

Hey all, just wanted to let you all know that my '09 was diagnosed with an OCS issue, which causes the airbag light to constantly flash. I purchased an occupancy sensor bypass from Airbag360 and after a two minute swap and airbag light reset I was good to go.

Nissan 350z 370z Passenger Seat Occupancy Sensor OCCUPANT CLASSIFICATION SENSOR EMULATOR

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CJBinder

That just solves the weight sensor right? I wish someone made connectors for each seats airbag. I have tried multiple times and just frustrated. I would buy that sensor if there was another option for the connectors for each seat..


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Kaizoku

so is this the expensive but easy solution to the weight sensor diy? and do you still need a resistor for the airbag with this?

SouthArk370Z

The unit is (probably*) just a resistor that is "tuned" to the resistance of the seat sensor when it is occupied. The resistor values I've seen used in the DIYs on this site are to emulate an empty seat. I haven't looked at the FSM in a while but, IIRC, the un/occupied values are in the FSM.

*Couldn't find a schematic of the unit but it's replacing a resistive element.

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Steering Lock Links - Search The370Z Bookmarklet - FSM @ NICOclub
Mankind has progressed past the need for war but we haven't evolved that far. - NachoMahma

Kaizoku

Is there any disadvantage to always having the seat sensor occupied? That would just mean that in the case of an accident, the passenger air bags would deploy even with no passenger, correct?

SouthArk370Z

It's been a while since I look at the details in the FSM (link in my sig) but IIRC, you are correct.

If I were using the vehicle on the track, I'd go with the unoccupied option (assuming no passenger). On the street, occupied (just in case there was a passenger). YMMV.

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Steering Lock Links - Search The370Z Bookmarklet - FSM @ NICOclub
Mankind has progressed past the need for war but we haven't evolved that far. - NachoMahma

Djraunch

I’ve also had good success with the airbag 360 module. Only problem is passenger belt light is constantly illuminated unless seatbelt is clicked

Kaizoku

Couldn't you get around that with a resistor in the seat belt harness?

Djraunch

Maybe a more experienced member could answer but honestly I’m not sure. I just live with the light when I don’t have a passenger. The resistors in the airbag plug have functioned flawless for me with no light