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Toyota Yaris Tire and Wheel Questions

18 messages,  Last post on Oct 23, 2009 at 12:02 PM

You are in the Toyota Yaris Forum. Your Host is pf_flyer

What is this discussion about? Toyota Yaris, Tires, Wheels, Hatchback


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#4 of 18
Toyota Yaris Tire Pressue Monitor Warning Light by dake
Apr 20, 2008 (8:50 am)
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Curious if anyone has had issues with the Tire Pressure warning light illuminating for no apparent reason?
 
Came on about a week ago, I verified the pressure in all the tires and they were right at recommended levels with one tire being about a lb lower than the other three. Just to be safe I aired everything to the exact same value, and verified all the lug nuts were torqued properly as well.
 
I finally disconnected the battery and reconnected and no joy. The light still popped on as soon as I started the car up. Is there a) a different reset method - I know some modern cars aren't fooled by the battery disconnect anymore? or b) another idea in general?
#5 of 18
Re: Toyota Yaris Tire Pressue Monitor Warning Light [dake] by pf_flyer HOST
Apr 20, 2008 (9:40 am)
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Replying to: dake (Apr 20, 2008 8:50 am)

Different makes have different procedures. For example, my Nissan Versa simply requires you to drive a bit once you've rectified any pressure difference and the light resets.
 
From poking around a bit it seems like at least some Toyota models have a button in the glove box or on the steering column that you hold down to reset.
 
Your owners manual should have that information. Or a call to a dealer or competent garage should get you an answer as well.
#6 of 18
Re: Toyota Yaris Tire Pressue Monitor Warning Light [pf_flyer] by dake
Apr 20, 2008 (12:24 pm)
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Replying to: pf_flyer (Apr 20, 2008 9:40 am)

Yeah, I searched the forums too, and don't find anything for current Toyota models. There's nothing in the owner's manual - the Yaris doesn't appear to even have the old fashioned manual like Toyota's used to have, just a quick reference thing for the basics. There's no switch in the glove box or anything like that either that I can find.
#7 of 18
Re: Toyota Yaris Tire Pressue Monitor Warning Light [dake] by dake
Apr 21, 2008 (8:13 am)
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Replying to: dake (Apr 20, 2008 12:24 pm)

Huh... why can you only edit your post for 30 minutes? Ok, anyway, I answered my own question (sort of) in that there appears to be a Technical Service Bulletin out on the TPMS activation. I'm taking it in on Monday to have it sorted out.
#8 of 18
Re: Toyota Yaris Tire Pressue Monitor Warning Light [dake] by dake
Apr 28, 2008 (10:07 am)
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Replying to: dake (Apr 21, 2008 8:13 am)

Took it in - one of the sensors was apparently bad, so they slapped a new one on. Good as new.
#9 of 18
Re: Toyota Yaris Tire Pressue Monitor Warning Light [dake] by phrancheska
Sep 22, 2008 (2:19 am)
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Replying to: dake (Apr 20, 2008 8:50 am)

Got this info from another forum:
 
Yarisworld.com forum
 
I took my car to the dealership and watched them reset it.
 
1. With the odometer on trip A and the ignition off, press and hold the reset button.
2. Turn the ignition on (no need to start the car) and wait for it to start blinking. It will count down and when it's done, it'll be reset.
 
Also, finally found on page 243 of the 2008 owners manual.
#10 of 18
Re: Toyota Yaris Tire Pressue Monitor Warning Light [dake] by phrancheska
Sep 22, 2008 (2:37 am)
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Replying to: dake (Apr 20, 2008 12:24 pm)

The Yaris does have a traditional owner's manual - you can have access to it online, as well, but you have to register with the Toyota Owner's Online thing. It's searchable, though. Here's the link:
 
Toyotaownersonline.com Registration
 
You can also order it through your dealer with the following publication numbers (but it's not free)
 
                   
                    Publication
 
                    Description
                    Pub #
                    Price
                   
                   
                     
                     
 
                     
                     
                   
                   
                    Repair Manual
                    VOL. 1
                    RM07Q0U1
 
                    $121.38
                   
                   
                    Repair Manual
                    VOL. 2
                    RM07Q0U2
                    $128.97
 
                   
                   
                    Repair Manual
                    VOL. 3
                    RM07Q0U3
                    $144.14
                   
 
                   
                    Owners Manual Mexico Sdn
                    NCP93
                    OM52788S
                    $15.95
                   
                   
 
                    Owners Manual Mexico H/B
                    NCP91
                    OM52838S
                    $15.95
                   
                   
                    Owners Manual Sdn
 
                    NCP93
                    OM52787U
                    $15.95
                   
                   
                    Owners Manual H/B
                    NCP91
 
                    OM52730U
                    $15.95
                   
                   
                    Electrical Wiring Diagram
                    "NCP91,93 "
                    EM07Q0U
 
                    $66.21
                   
                   
                    Collision Repair Manual
                    "NCP91,93 "
                    BM00R2U
                    $16.45
 
                   
                   
                     
                     
                     
                     
                   
                 
#11 of 18
15/14 inch wheels by lewjac3
Oct 02, 2008 (3:58 pm)
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It seems logical that 15 inch wheels would keep the rpm's lower than 14 inch wheel's, that said can I assume that 15 inch wheel's would produce better mpg, than the 14 inch wheel's?
#12 of 18
Re: 15/14 inch wheels [lewjac3] by bamacar
Oct 02, 2008 (4:52 pm)
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Replying to: lewjac3 (Oct 02, 2008 3:58 pm)

The only problem is the wheels never touch the road - you drive on the tires. The overall height of the tires is all that matters. Yes if the overall height is greater you will have lower rpms for the tires. A high profile 14" tire can easily have a greater overall height than a low profile 15" tire.
 
MPG is really dependent on distance divided by fuel use. If you have a greater tire height, it may appear when you divide the mileage by the fuel use that you are actually getting worse gas mileage. In reality the mileage is about the same, but your odometer will actually just be inaccurate (as it was based on a lower height tire). You will have actually traveled farther than the odometer will read.
 
It is actually tire width that has the greatest effect on mileage. A wider tire has greater friction and thus has lower fuel efficiency in general.
#13 of 18
tires size for hatchback by mvg
Nov 13, 2008 (12:54 pm)
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Hello,
 
Would tires size 190/70/14 fit on a 2008 yaris hatchback basic model.. stock everything?

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