SRS light blinking issues

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Joined
Oct 8, 2024
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Location
NC
Hi folks,

My 97 LX450 has a flashing airbag light on the dash. I realize this subject is covered ad nauseam here, I did search and followed instructions in the FSM, to no avail. The things that worked for others didn't work for me and I'm getting no response from the system.

I have tried to clear the code following instructions in the FSM, with no luck. I cleaned the contacts and verified voltage from both pins to ground, probably tried 40+ times with different wires to get it to work, nothing changes. No faster flashing light, no clearance, no ABS light, it's as if nothing was different. I also tried to read the code by jumping the two pins specified in the FSM, a bunch of other lights on the dash flash (cruise, CEL, abs, etc), but the SRS light just flashes continually ~2 times/sec with no change.

The light is blinking 2 times a second, which the FSM calls a "normal code". At no point can I get the light to flash with variation indicating there is a code or clear it, even for a second. Nothing changes and I've tried timing it many ways and using different wires, even a multimeter to confirm voltage between the pins and ground.

The battery voltage seems fine, but I will try another tomorrow to be certain. The only other culprit per FSM is the airbag module itself, but before I risk messing with that, is there anything else I should try? Would a bad SRS module not respond to either of the above diagnosis methods like this (others seem to report some response, at least)?

Thanks
 
How's your starting/cranking battery and those connections?

Any recent work done to the vehicle including behind the dash or to the steering wheel/column/airbag wiring??

Have you dunked your vehicle (in deep water) recently?

Wait for an electron expert @jonheld to chime in.
 
I just put a new battery in today and the light still flashes

No behind the dash or console work I’m aware of. No dunks either. I just bought the car so it’s possible but no signs of either that I could see. Stock head unit, only mod would be the center diff switch and adding an OEM switch for the elockers. Everything else is factory and nothing looks like it’s been opened or removed
 

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