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10-04-2010, 09:15 AM | #1 |
Drives: 2017 Yaris IA, Pulse Red, Auto Join Date: Jun 2010
Location: Indianapolis
Posts: 538
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Low Tire Pressure Sensor
This morning was the first really cold morning since I got my Yaris in June - it was 37 degrees here. I started out for work and the low tire pressure indicator came on, I drove to the nearest air thing, put my 75 cents in, and couldn't get any of the caps off - I guess whoever installed the factory tires didn't know their own strength.
Finally I got a guy to loosen all the caps for me, but none of the tires are really that low - 31 or 32 lbs. in each of them. Is this something I have to put up with all winter - that light on the dashboard is driving me crazy. (I saw the thread on un-doing the sensor but I'm not into all that.) If all it takes is 3 lbs. to make it come on, that's a real pain in the butt. I think this sensor is the stupidest thing - cars have been around forever and we got along just fine without these sensors. |
10-04-2010, 09:28 AM | #2 |
Drives: 2008 Yaris LB Join Date: Jul 2010
Location: PA
Posts: 899
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You can disable it by tapping 2 wires together.
Find the "Disable TPMS thread: i agree this is stupid. It does't even tell you what wheel. Would it have been too hard to show different color light for each wheel or even just have an LED on each corner of the light to show which tire? I disabled mine and haven't looked back!
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"And that goes for any of you, never get put down from someone who gets jealous of you; build it and prove them wrong. There will always be haters and naysayers but those are also the ones who's cars are worth less than my seats." xbgod - 9/23/2010 |
10-04-2010, 09:52 AM | #3 |
Drives: 2010 Yaris Sedan Join Date: Feb 2010
Location: Kansas
Posts: 871
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To have it on the car at all, from what I understand is government mandated. Fuel waste and safety issues from running low tires. So Toyota or any other mfg isnt going to do the which tire is low on a normal basis. Unless its a higher end model maybe or incorporated into some other customer paid option package. Right now its on our cars because they have to.....Right now the computer gets a signal from a TPS, period. To tell which one it is would require differentiating a distinctly different signal from each one versus a generic signal as it is now. extra costs which you and I would have to pay for.
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10-04-2010, 10:20 AM | #4 | |
Drives: 2017 Yaris IA, Pulse Red, Auto Join Date: Jun 2010
Location: Indianapolis
Posts: 538
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10-04-2010, 10:41 AM | #5 |
ULTIMATE
Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
Location: USA, CT
Posts: 13,460
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You might have a bad sensor, as the light should go out as soon as pressure is restored.
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10-04-2010, 11:31 AM | #6 |
Drives: 2017 Yaris IA, Pulse Red, Auto Join Date: Jun 2010
Location: Indianapolis
Posts: 538
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Thanks, CT :)
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10-04-2010, 12:12 PM | #7 |
3,300+ at one point.. >:(
Drives: 2010 Hatchback RS Join Date: Aug 2007
Location: Saint John, NB, Canada
Posts: 542
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My car doesn't have the TPS option..not that I'm complaining. They must have only had it on the models for a few years here in Canada. Mine's a 2010.
But yeah, all I usually do is take a quick peek at the tires before I get in the car. My own eyes are probably more accurate than a TPS. |
10-04-2010, 06:13 PM | #8 | |
Only Happy When it Rains
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Quote:
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Colin Chapman disciple |
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10-04-2010, 08:22 PM | #9 |
Drives: 2010 Meteorite Metallic LB Join Date: Feb 2010
Location: North Carolina
Posts: 251
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I bypassed mine at 600 miles when I got new wheels. I just check my tires every week or so.
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10-04-2010, 08:29 PM | #10 |
Drives: 2010 Yaris Sedan Join Date: Feb 2010
Location: Kansas
Posts: 871
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My wifes 2004 Highlander started having the light come on constantly even though we went thru the reset process. Found out how to reset them. hers has a reset button under the dash. If you reset it and it thinks its too low from factory setting it comes back on. Found you let air out of all tires to like 28psi and hit reset button,shut it off, then reset it again and it will accept new setting as default. Never had it come back on again after a full year now!
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10-06-2010, 11:24 PM | #11 |
Drives: 2008 Toyota Yaris Sedan Join Date: Oct 2008
Location: New York City
Posts: 42
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I actually think the sensor is quite helpful. In my experience it has only come on when my tires were below 25PSI because of a nail being in the tire I didn't even know was in there. It has helped me numerous times from driving off with very low tire pressure.
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10-07-2010, 07:54 AM | #12 |
Drives: Polar White 2008, 3Dr HB TRD ' Join Date: Mar 2009
Location: Corona CA
Posts: 403
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What does this sensor look like?????
Anybody have a pic of one????? When I put my TRD 18's on, they didn't have the sensors. I've been thinking of buying a set from Toyota. Anyone?? Anyone?? |
10-07-2010, 07:58 AM | #13 |
Drives: 2017 Yaris IA, Pulse Red, Auto Join Date: Jun 2010
Location: Indianapolis
Posts: 538
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10-07-2010, 03:17 PM | #14 |
Drives: Polar White 2008, 3Dr HB TRD ' Join Date: Mar 2009
Location: Corona CA
Posts: 403
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Thanks Debby
I'll have to stop by my local dealer to see how much they cost$$$$ |
10-09-2010, 12:18 PM | #15 |
'07 to '12:2 wipers to 1?
Drives: '12 5-door LE & '14 5-door LE Join Date: Apr 2007
Location: Orlando
Posts: 1,999
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if the light is blinking all the time you have a faulty sensor/missing sensor. If the light is solid you have low air pressure, the sensors are programmed to alert around a loss of 6 or more psi.
To debby: odds are whoever checked your tires for you was using a 'stick' air gauge which can be grossly inaccurate (as you stated it was only off a few psi). either a digital or dial gauge will be much more accurate. you can pick one up at auto stores or automotive departments for like $5-10 bucks. |
10-10-2010, 11:22 AM | #16 |
Drives: 2017 Yaris IA, Pulse Red, Auto Join Date: Jun 2010
Location: Indianapolis
Posts: 538
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Thanks, Shroomster....it was a stick air gauge - I'll have to get one of those you are talking about - digital sounds good! I've always had the stick kind and didn't know there were other types.
I aired up all my tires and the low pressure light went off, so I guess they were all low. Or at least one of them since I couldn't tell which it was. I looked at the dashboard each time I aired one up, and it didn't go off until I did the last tire. |
10-10-2010, 12:35 PM | #17 | |
Bob
Drives: Yaris and Scion XD 5 spd BSP Join Date: Dec 2009
Location: Was Hawaii - Moved to Everett WA
Posts: 145
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TPMS Reset
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Press and hold in the TPMS Reset button and then turn the key to the engine run position, wait a few seconds and the light should go out. If ALL the wheels show correct pressure, an it still illuminates the (!) driving a short distance usually resets in about 2 blocks of travel. (It's a pain eh?) |
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10-11-2010, 12:25 AM | #18 | |
'07 to '12:2 wipers to 1?
Drives: '12 5-door LE & '14 5-door LE Join Date: Apr 2007
Location: Orlando
Posts: 1,999
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