RX - 2nd Gen (2004-2009) Discussion topics related to the 2004 -2009 RX330, RX350 and RX400H models

09 RX350, SRS Light On, ODBII Code B1100

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Old 03-04-20, 12:38 PM
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Margate330
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Here is a pic for anyone following this tread looking for them.



Old 03-05-20, 06:37 AM
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xcalderon
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Originally Posted by Margate330
Here is a pic for anyone following this tread looking for them.


Thank you so much. I found them, they can be seen without removing the headlights, however, I was not able to disconnect and reconnect. I was only able to shake and push the connectors but that didn't clear the SRS light. They seem fine from the outside. The next step would be to do the connect disconnect. Thanks so much, without your help on this I would not be able to find them as they are hidden. I will keep you posted on progress.
Old 03-09-20, 10:44 AM
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xcalderon
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Originally Posted by Margate330
Here is a pic for anyone following this tread looking for them.

STATUS UPDATE:

Actually was pretty simple to access the sensors from the front by removing the plastic covers:




Both sensors were properly plugged in and there was no corrosion. So I connected the left sensor only and then the battery. The new code B1148 Front Airbag Sensor (RH) came up to denote the malfunction of the front right sensor.
Reconnected the LH sensor per safety procedure and this new code cleared.
Lesson Learned: SRS sensors' connectors will throw a DTC in case of malfunction. So the B1100 Airbag Sensor Assembly DTC will most likely be a bad Assembly (ouch).
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Margate330 (03-09-20)
Old 03-09-20, 02:30 PM
  #34  
Felix
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Great to add a little tad bit of electrical grease to the contacts.........
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xcalderon (03-09-20)
Old 03-11-20, 03:45 AM
  #35  
xcalderon
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Originally Posted by Felixtheca
Great to add a little tad bit of electrical grease to the contacts.........
Great suggestion, I better get some dialectical grease and I agree, just a minor dab if at all. SRS is to be respected.

As soon as I get more time to work on this I’ll share updates. At this point the next step is to unplug, inspect, grease, all SRS Sensors and see if I can get the B1100 code cleared up. ... more to follow up soon and thank you all for the great support.

Last edited by xcalderon; 03-11-20 at 03:49 AM.
Old 12-20-20, 01:58 PM
  #36  
daweeze02
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Originally Posted by xcalderon
Great suggestion, I better get some dialectical grease and I agree, just a minor dab if at all. SRS is to be respected.

As soon as I get more time to work on this I’ll share updates. At this point the next step is to unplug, inspect, grease, all SRS Sensors and see if I can get the B1100 code cleared up. ... more to follow up soon and thank you all for the great support.


Just curious if you've gotten around to solving this? I'm buying a 2002 rx300 in near mint condition and the b1100 is the only issue I could find on my scanner. I'm getting it for $2000 but my state won't pass it for inspection so I'm wondering if it's worth tackling. It wouldn't be a daily driver but still would it be worth the headache lol
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