GS - 4th Gen (2013-2020) Discussion about the 2013 and up GS models

BRAKE PEDAL STROKE Sensor

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Old 01-08-23, 02:44 PM
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PR FIEBRU
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Post BRAKE PEDAL STROKE Sensor

What's up everyone. I am having a bit of a hard time with my 13 gs. Went to start it and it would not start.
First thing I did was jump the battery. That did not work.
Second thing I tested was the starter. I used to remote start and it started right up. At this point I knew is was not the battery or the starter.
It was giving me message to press the brake pedal then hit the start engine button. Clearly an issue with the brake pedal stroke sensor (I think).
Did a little research and figured how to turn car on without pressing brake pedal. Click the start button twice. First will turn the accessories, the second will usually start the car (when brake pressed). On the second press of the start button leave it pressed for 10 seconds the car started right up. To switch it into gears i removed the bypass cap of gear shifter put a pen in it and i am able to drive the car like that. I ordered the brake pedal stroke sensor part number 8951033030. Bough it on eBay. I have been going crazy looking for the location of that sensor to replace it but can't find it. Has anyone ever had this issue. If yes, where is that sensor? It must be hidden. I have looked and can't find it.
Old 01-08-23, 03:15 PM
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JUTMSS32
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This is from an ES, image from a brake assembly on ebay. It kind of looks like the sensor on the left side in this image. I hope it helps.
https://i.ebayimg.com/images/g/igIAA...KM/s-l1600.jpg


Old 01-08-23, 03:19 PM
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PR FIEBRU
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the gs brake pedal is different than the ES. If it was there i would have found it easy. This is the only diagram I have found and its not very clear. https://parts.belllexusnorthscottsda...24B0-8414.html
Old 01-08-23, 03:24 PM
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I kind of figured that, but thought it might be close by. I did find this as well. It might help a bit more than the other diagram. The part is in location #5.
https://www.ilcats.ru/lexus/?functio...&subgroup=8414



Last edited by JUTMSS32; 01-08-23 at 03:32 PM.
Old 01-08-23, 03:31 PM
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You can find some images of the GS pedal in the following link. I think if you follow any wiring from whatever is coming from the pedal assembly, (I see only 2 connectors, one white and one blue) you may find the sensor. From the image above, it looks like it's somewhere under the dash or possibly in the center console.
https://www.ebay.com/itm/174878587406
Old 01-08-23, 03:59 PM
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this diagram is of an IS not a GS. I will look at eBay pics you posted a link of. thanks for helping out.
Old 01-08-23, 04:09 PM
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yes. that's the break pedal, but i have the f-sport. It has a wire going into the assembly and there is a sensor in there. it is not quite the sensor I searched and bought. Its smaller. I have searched to see anyone else who's had that had the same issue, but I'm coming up blank. Nothing on youtube, nothing even on this forum about the brake pedal stroke sensor for GS350 2013 .
this is a eBay link of exact pedal I have. https://www.ebay.com/itm/29204307289...mis&media=COPY
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