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09-25-2016, 10:56 AM | #1 |
Drives: Yaris XP9 1.3 '06 Join Date: May 2016
Location: -
Posts: 33
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Rear parking sensors keep beeping when nothing is behind car
Hi,
My '06 Yaris (Europe) has 4 parkingsensors in the rear bumper. When i switch to reverse gear (stick, not automatic transmission) it will give a beep, then as the car gets closer to a wall or something, the time between beeps will get shorter, untill a solid beeeeeeep when car is reaaally close to a object. However, since a few days ago, it sometimes constantly beeps (solid beep) even when the area behind the car is clear. I have cleaned the sensors with a soft rag, but they weren't dirty. Does anyone know if the car was fitted with this system from factory, or is it a aftermarket set? What steps could i take to find/resolve the culprit of this? |
09-25-2016, 02:24 PM | #2 |
Drives: 2009 5-door, 5-speed Join Date: Sep 2011
Location: White Rock BC
Posts: 687
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Not sure if Yaris ever got them from factory, but they may have been dealer installed. Factory ones are easily diagnosed with a scanner as you can see what each sensor is reading. With aftermarket it may be a little tougher, but you may be able to unplug one at a time and see if the beeping stops. Note that it may disable the system completely with any one unplugged.
If that doesn't work, you will probably have to use a multimeter and compare the resistance of each sensor. |
09-25-2016, 02:31 PM | #3 |
Drives: Yaris XP9 1.3 '06 Join Date: May 2016
Location: -
Posts: 33
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I will have a look and see if i can trae the wires, it should end up in a module somewhere in the trunk i guess.
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09-25-2016, 08:18 PM | #4 |
ULTIMATE
Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
Location: USA, CT
Posts: 13,460
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For the MK2 Yaris, the parking sensors were a genuine Toyota accessory, but they are not connected to the car's network for diagnostics.
Here is the Toyota troubleshooting guide for the system: https://www.toyota-tech.eu/aimupload...hoot_guide.pdf
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09-25-2016, 09:07 PM | #5 |
Drives: 2009 Base Hatch 2 Dr Auto Join Date: Dec 2008
Location: nj
Posts: 4,790
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Im not surprised they broke.
Such is the fate of all such things....
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Synthetic Oil: Its All In Your Head |
09-26-2016, 06:33 AM | #6 |
Drives: 2012 Toyota Yaris Sedan (Vios) Join Date: Dec 2015
Location: Thailand
Posts: 291
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i had mine for 4 years...mines having same issue as yours...i think sh*ts getting old...😣
Sent from my SM-J700F using Tapatalk
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Brain: ATD E85 Timing Advance ECU Engine: 1JZ Injectors, Header, Center Pipe, K&N Drop In, E85 Injector Converter Suspension: Hankook Tires, Performance OEM replacement Shocks & Springs F: 1.5 B: 1.4, Mu Spec brake pads, Front tower & Rear sway bars, Rays nut & lock Electric: Volt Stablizer & Multi gauge obd2 Cosmetic: Toyota red emblem |
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