einy wrote:
FWIW ... Can't speak specifically to Toyota's or Ford's TPMS systems, as my experience is 2009 Honda Accord based. That said, if you choose to run tires that don't have the sender units in them, I would suspect that the TPMS dash warning light will be on. No big deal, right? Well, on a Honda anyway, this defeats the traction and stability control. Not good if you want those features to be operational. Again, that is what a Honda Accord does, your situation might be different, but I'd at least check that out.
Not all hondas behave this way, and I'm going to suggest perhaps you misunderstood the explanation you were given.
For example, on my 2010 Odyssey, when signals from TPMS are missing, the stability and traction control systems can not be disabled by the switch. So you don't lose functionality of those systems, you only lose the ability to disable them.
I can verify this for the 2010 Ody because I did not put TPMS in my three-season tires. The traction and stability systems are still functional, and pressing the switch does not disable them.
In reply to AngryCorvair:
I just found the owner's manual online to confirm that my wife was not driving her '09 Fit around without traction control because we didn't have TPMS installed in her winter wheels. It works like AngryCorvair said above, can't disable it.
Knurled wrote:
WonkoTheSane wrote:
The dude at the tire shop in town was telling me that the newest TPMS setups don't use a sensor in the wheel at all, and instead just sync up the ABS/Traction Control sensor, so they can tell that one tire is low by how many turns it takes per mile vs the others. That'll be sweet.
That's actually the old system that GM and some other companies used before 2008.
It works sort of okay. Toyotas are a real pain because they are so sensitive that they will detect that you're due for a tire rotation. Frequent false positives are a bad thing, they train you to ignore the warning.
Ah well, it seemed like a good idea :)
ShawneeCreek wrote:
JohnRW1621 wrote:
Question #2:
Could the Ford TPMs be used on the Toyota?
Is there this kind of "universal-ness" to TPMs or are they more brand specific?
Using the Ford TPMS with the Toyota might be possible, but I'd file it away in the unlikely bucket. I'll check my reference book when I get home tonight.
JohnRW1621 wrote:
Is there this kind of "universal-ness" to TPMs or are they more brand specific?
The aftermarket has come up with a couple of "universal" TMPS replacement sensors that can be used with multiple brands of cars. But the ones you have are obviously Ford specific (see embossed "FoMoCo").
Alright, I've got my reference book here now. Your '07 Prius calls for a TPMS sensor with OE part number 42607-33011. It can also use a Schrader-specific sensor number 28365 or a Schrader universal TPMS number 33000. (There are other manufacturers of TPMS sensors. I just used Schrader for this example)
The '10 Focus that you got the wheels off of can use a Schrader-specific sensor number 20315 or a Schrader universal TPMS number 33000. You'll note that the universal part numbers from Schrader match. This means that both sensors are using the same 315 Mhz frequency and might interchange. Talk to your local tire dealer and see if they can do that. You'll still have to replace the valve stems, but that is a nominal cost.
They'll also need a scan tool in order to pair these new sensors (specifically their ID numbers) with your car. They might be able to try this before mounting the tires to save some time. Just train the sensors while they are sitting by the tires.
One caution with re-using the sensors from the Focus is that by now they are 6 years old. TPMS sensors (more specifically, their batteries) are only supposed to last around 10 years. Some fail sooner than that. Some last longer. You might get these installed and then the battery dies a month later. Or you might get another 4-5 years out of them. Looking online, you could get four new Schrader 33000 sensors for ~$200. Might be cheap peace of mind.
Let me know if you have more questions.
Hot dam!
A wonderfully thorough answer.
Thanks for taking the time to research.
