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

Kaizoku · 03-26-2018, 07:27 AM

Quote:

Originally Posted by 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

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 · 03-26-2018, 08:26 AM

Quote:

Originally Posted by 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?

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.

Kaizoku · 03-26-2018, 01:43 PM

Quote:

Originally Posted by 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.

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 · 03-26-2018, 08:01 PM

Quote:

Originally Posted by 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?

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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