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How to disable the 2016 prius noise maker

Discussion in 'Gen 4 Prius Accessories and Modifications' started by I'mJp, Feb 15, 2016.

  1. I'mJp

    I'mJp Senior Member

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    Where is the 2016 Prius noisemaker located ?

    I found a round looking speaker device between the grill and the radiator.
    When I unplugged it, and started my car, I got a proximity detection error,... see the dealer error.
    So, wrong speaker.

    Looking around in the engine bay, it appears much has changed.

    Any ideas on where it is.

    When I hear it, to me, it sounds like a engine problem.
    Gotta git rid of it ...
     
    #1 I'mJp, Feb 15, 2016
  2. bisco

    bisco cookie crumbler

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    the noisemaker is the proximity detector. i think you got the right one. did you try moving the car with it disconnected?
    the warning is new though. perhaps it's a law now? idk, but maybe you can complete the circuit to keep the error off the screen.
     
    #2 bisco, Feb 15, 2016
  3. xliderider

    xliderider Senior Member

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    Probably need to wire in a resistor, similar to bypassing an airbag warning light.
     
    #3 xliderider, Feb 15, 2016
  4. ATHiker

    ATHiker Senior Member

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    I would think that a proximity detector would detect something-- like a parked car you are about to bump into or a pedestrian. Doesn't the noisemaker always operate when the ICE is off and you are running at low speeds?
     
    #4 ATHiker, Feb 16, 2016
  5. bisco

    bisco cookie crumbler

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    yes. but in this case, i could be wrong, but i think toyota calls it proximity something, in relation to pedestrians.
     
    #5 bisco, Feb 16, 2016
  6. I'mJp

    I'mJp Senior Member

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    Maybe it's a shared emitter, ultra sound for proxy, low frequency for noise.

    That would be too bad, I want the proxy detector.
     
    #6 I'mJp, Feb 16, 2016
  7. bisco

    bisco cookie crumbler

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    google found a 2012 engadget article introducing toyota's 'proximity notification system'.
     
    #7 bisco, Feb 16, 2016
  8. xliderider

    xliderider Senior Member

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    Used to be in the area in front of the driver's side wheel well. Did you look there?
     
    #8 xliderider, Feb 16, 2016
  9. I'mJp

    I'mJp Senior Member

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    There is a battery in the upper part, cannot see below it. I'll look more when the temperature gets above freezing.

    jp
     
    #9 I'mJp, Feb 19, 2016
  10. xliderider

    xliderider Senior Member

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    Probably easiest to look from below, there's usually a removable cover under the corners.
     
    #10 xliderider, Feb 19, 2016
  11. randomwalk101

    randomwalk101 DYI'er

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    I'm trying to locate this thing to get it unplugged too (the speaker). It's called Vehicle Proximity Notification System by Toyota..
    Do you have any update on it's location? I "think" the one you found, unplugged and it gave you a warning may be the actual detecting sensor...we need to unplug the speaker. Thanks
     
    #11 randomwalk101, Mar 15, 2016
  12. I'mJp

    I'mJp Senior Member

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    I got side tracked on my 4, added a spare tire, tinted the windows, replaced the horn, now it's gonna rain for 4 days...
    I think that I'll have to jack it up, and look from under.
     
    #12 I'mJp, Mar 15, 2016
  13. vince22

    vince22 Active Member

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    #13 vince22, Mar 15, 2016
    Last edited: Mar 15, 2016
  14. vince22

    vince22 Active Member

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    What kind of horn did you replaced with? Was it plug n play. I never like this wimpy horn sound.
     
    #14 vince22, Mar 15, 2016
  15. I'mJp

    I'mJp Senior Member

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    On the drivers side I put a Stebel Nautilus Compact Twin Air Horn
    31d0R68jt+L.jpg
    and on the passenger side the Stebel 11690058 - Nautilus Compact Truck Mini Air Horn
    81IHe20qpKL._SL1500_.jpg

    In the gen 4 there's tons of room in there.

    Not plug an play at all, I had to make the brackets. Each horn need about 18 amps, so I tapped in at the battery with a 40 amp in line fuze, used two relays at each of the horns.
     
    #15 I'mJp, Mar 15, 2016
  16. I'mJp

    I'mJp Senior Member

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    #16 I'mJp, Mar 15, 2016
  17. vince22

    vince22 Active Member

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    Great, thanks
     
    #17 vince22, Mar 15, 2016
  18. randomwalk101

    randomwalk101 DYI'er

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    I'mjP

    The thing you unplugged is the speaker. Looks like Toyota put a check in 2016. Will probably need to wire in a resistor to trick the ecu if you want to unplug it and not having that "see dealer" message. 2015 and older model doesn't have this check.
     
    #18 randomwalk101, Mar 16, 2016
  19. ucla107

    ucla107 Member

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    #19 ucla107, Mar 17, 2016
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