That wiring diagram is different from what I have. The link you sent is for a '99. The signal from the IMMO is a wave form I believe, so you would need an oscilloscope or similar.

What I have does not distinguish between 10V and 20V. The Service Manual has an incomplete components list so I attached separate docs for that but don't know what year they're applicable to. I have a 2000 S70 so I would guess they're for that.

Do you not have access to a scanner? @xanthefin has an Android app called 850 OBDII that you can get on Google Play for about $4. Just need to buy an ELM32 bluetooth adapter. It can show you the status of different components.

I have no idea about that.

Let me know if you get to the point where you are confident you fixed the SRS issue but are unable to clear the code.

I did this job recently and used sealant on both sides of the gasket (Duraprene) but don't know if that was really necessary. I also replaced the torx bolts with hex head. I torqued to about 10-15 ft-lbs and later realized that wasn't enough and had to retorque due to leaking at the bottom edge. I t...

This is what I've used over the past year and it's held up so far. Brushed it on, clamped it with shims overnight.

There is an Android app called 850 OBDII that is "suppose" to be able to program key fobs. I've been messaging back and forth with the designer of the app and he says it works but wants to make improvements to it. The app is like $3-4 on Playstore. I have the app and have used it but not f...

I've been working with Aleksi on this and he feels it should work. Fob is due in Monday so we will find out soon enough. I was able to pull the PIN from the VGLA.

Very nice, Aleksi!