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Re-Calibrating Weight Sensing System (WSS)

 
Old 04-22-2019, 11:21 PM
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Re-Calibrating Weight Sensing System (WSS)

Hi, anyone had success re-calibrating the WSS? I just got my Autel MaxiSys Mini scanner and tinker with the WSS due to seat belt alarm pinging me on an empty front passenger seat. Well I fixed the seat belt warning but couldnít finish or pass the last stage of adding on 37.5 lb. Now the test isnít complete and showing SRS light.
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Old 04-23-2019, 06:08 AM
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I've never heard of anyone needing to, they just replace the sensor when it goes bad. I don't know much about though.
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Old 04-23-2019, 09:00 AM
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I didn't know that the sensor could be re-calibrated.
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Old 04-24-2019, 02:44 AM
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You definitely able to with SDS or my Autel MaxiSys Mini that I just bought from friend on this forum.

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Old 04-28-2019, 11:16 PM
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never done it without the special weight tool but I've heard of people stacking weights on the seat to the approximate weight
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Old 04-28-2019, 11:55 PM
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Originally Posted by knowbenz View Post
never done it without the special weight tool but I've heard of people stacking weights on the seat to the approximate weight
thanks, maybe thatís my problem, NO special weight tool. I stacked 70lb dumbbell (thatís what I curl with, lol) and still was under 35.5lb needed for process. Iíll try 35-45 plates next over a booster seat.
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Old 04-30-2019, 01:39 AM
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Originally Posted by MSG 55G View Post
thanks, maybe thatís my problem, NO special weight tool. I stacked 70lb dumbbell (thatís what I curl with, lol) and still was under 35.5lb needed for process. Iíll try 35-45 plates next over a booster seat.
The distribution of the weight is important as well, take a look at the shape of the tool.
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Old 05-01-2019, 10:31 PM
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Originally Posted by knowbenz View Post
The distribution of the weight is important as well, take a look at the shape of the tool.
45lbs & 35lbs plates didn't work, really scratching my head but gonna keep trying. Thanks!
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Old 05-02-2019, 11:43 PM
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Originally Posted by MSG 55G View Post
45lbs & 35lbs plates didn't work, really scratching my head but gonna keep trying. Thanks!
Shop shouldn't charge much to recalibrate the system if you tired of messing with it. Just ask if they have the tool
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Old 05-03-2019, 02:17 AM
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Originally Posted by knowbenz View Post
Shop shouldn't charge much to recalibrate the system if you tired of messing with it. Just ask if they have the tool
Thanks knowbenz, appreciate your inputs. My last resort would be so. Thinking of putting my 40lb kid on seat to see if that work. 😂 Will update.
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Old 05-03-2019, 03:08 PM
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The dealership has a special, and heavy, butt-and-legs shaped weight that is used to calibrate it..in stages. Also make sure your seat is not all the way back or all the way forward. Somewhere just forward of the rear stops and level seems to work good. A dealership shouldn't charge more than $200 to calibrate it for you.
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Old 05-06-2019, 12:49 PM
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I had to take out the P side seat (I ruined the perfect leather seat bottom on my 09 E63) and swapped in a very nice seat from a wrecked 09 CLS63. My indie did not have the WSS heavy tool to do the proper calibration, so I took it to the dealer and they calibrated the seat for $175 (1 hour) to clear the SRS warning light. No issues.
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