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Park Assist Sensor


55wong
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How do you test a park assist sensor? I have a 2004 LS430 and the front parking warning comes on when I stop. even when there is nothing in front of the car. It goes of as you drive. I think one of the sensor may be bad, But I would like to test it before I buy a new one.

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Is the sensor dirty? Has the vehicle been in an accident of any kind?

Also, does it go off at higher speeds, or only at crawl speeds in traffic? And has this just started happening? Or has this been an issue since you've owned it?

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Is the sensor dirty? Has the vehicle been in an accident of any kind?

Also, does it go off at higher speeds, or only at crawl speeds in traffic? And has this just started happening? Or has this been an issue since you've owned it?

It only comes on when stopped or going very slow, as you speed up it goes off. It's not dirty, and no accidents. It just started one day and since then I turned the park assist off. it's one of the two front center sensors. thanks...

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