Kizashi Club

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 #32287  by SamirD
 Sun Sep 28, 2014 2:29 pm
redmed wrote:
SamirD wrote:So what I was alluding to was a box that you can plug into the power outlet that emulates the signal from the TPMS sensor. This way, you always have perfect TPMS pressures and can just use regular tires.

Is this box a wish or does someone make one?
Unfortunately, it is a wish. And due to some of the patents issued to manufacturers of multi-use sensors, I don't think it would be possible to make a box like this that works with various cars without some licensing agreements.

But the device would be awesome--you would plug it in, set the tire pressures you want on each tire, learn each sensor like you normally would, and then just keep it plugged in. Since we have a second power outlet in the armrest (as many TPMS cars do), you could literally just plug it in and forget it.
 #32354  by redmed
 Tue Sep 30, 2014 6:27 am
SamirD wrote:
redmed wrote:
SamirD wrote:So what I was alluding to was a box that you can plug into the power outlet that emulates the signal from the TPMS sensor. This way, you always have perfect TPMS pressures and can just use regular tires.

Is this box a wish or does someone make one?
Unfortunately, it is a wish. And due to some of the patents issued to manufacturers of multi-use sensors, I don't think it would be possible to make a box like this that works with various cars without some licensing agreements.

But the device would be awesome--you would plug it in, set the tire pressures you want on each tire, learn each sensor like you normally would, and then just keep it plugged in. Since we have a second power outlet in the armrest (as many TPMS cars do), you could literally just plug it in and forget it.

Yes I agree it would be awesome. I have been waiting for someone to make or describe plans on such a device. Even if it is only for testing purposes. Oh well, Patience is a virtue.
 #33076  by SamirD
 Mon Nov 10, 2014 1:07 am
redmed wrote:Yes I agree it would be awesome. I have been waiting for someone to make or describe plans on such a device. Even if it is only for testing purposes. Oh well, Patience is a virtue.
If I didn't figure out how to relearn the tpms sensors without the dealership, I probably would have worked with some engineers I know to try to make something like this.

But since all you have to do is let out some air and put it back in, which can cost a whole 75 cents and 5 minutes at a gas station, it's just not worth the trouble anymore.
 #33080  by redmed
 Mon Nov 10, 2014 3:11 am
SamirD wrote:
redmed wrote:Yes I agree it would be awesome. I have been waiting for someone to make or describe plans on such a device. Even if it is only for testing purposes. Oh well, Patience is a virtue.
If I didn't figure out how to relearn the tpms sensors without the dealership, I probably would have worked with some engineers I know to try to make something like this.

But since all you have to do is let out some air and put it back in, which can cost a whole 75 cents and 5 minutes at a gas station, it's just not worth the trouble anymore.

I still would like to lower the tire pressure without that nasty orange light. Still waiting. I'm sure some inquisitive guy will come up with something. Just hope it will be simple like the the tire pressure trick SamirD came up with. I bet some engineering team somewhere is going "I didn't think the reset could be defeated so easily. If everybody finds out about this we won't be able to sell anymore reset tools." Car dealerships are lowering their service income projections.
 #33086  by bootymac
 Mon Nov 10, 2014 5:26 pm
Is it confirmed that our sensors have a centrifugal switch? Otherwise just toss them into a wheel barrow tire in the trunk :lol:

There's probably a software solution as well since not all markets have TPMS
 #33140  by redmed
 Wed Nov 12, 2014 12:12 am
bootymac wrote:Is it confirmed that our sensors have a centrifugal switch? Otherwise just toss them into a wheel barrow tire in the trunk :lol:

There's probably a software solution as well since not all markets have TPMS

Yes there is a centrifugal switch. When working on my tire I broke the attachment on one of my sensors. I tried to glue the broken plastic then remounted into the tire. I took it for a test ride and it held for a few miles until the sensor came off again and was no longer attached to the rim but spinning loose inside the tire. Luckily it came off 1/2 mile from home and I drove real slow home. I then reglued the sensor better and remounted it. It worked again and it worked fine for a few months until it came off again. So while the sensor is attached to the rim and spinning in a certain position it put out a signal. When it was spinning loose it did not put out a signal. It makes sense, otherwise the sensor battery would not last very long.

I agree there must be a way to turn off the TPMS system. We just have to figure out how to get into a maintenance mode to turn it off.
 #33174  by SamirD
 Wed Nov 12, 2014 7:00 pm
bootymac wrote:Is it confirmed that our sensors have a centrifugal switch? Otherwise just toss them into a wheel barrow tire in the trunk :lol:

There's probably a software solution as well since not all markets have TPMS
According to the VDO/Siemens design specs, the TPMS sensor is designed to activate in the following conditions:
- Tire pressure drop of 5psi or more
- Vehicle speed of 5mph or more
- TPMS tool

At all other times the sensor is going to be quiet.

The Canadian Kizashi doesn't have TPMS. I'm sure there's a way to modify the ecu or use a factory maintenance mode to modify the destination market for the car and affect the TPMS system.
 #48135  by Kayriv
 Fri Nov 02, 2018 2:34 pm
SamirD wrote:
bootymac wrote:Is it confirmed that our sensors have a centrifugal switch? Otherwise just toss them into a wheel barrow tire in the trunk :lol:

There's probably a software solution as well since not all markets have TPMS
According to the VDO/Siemens design specs, the TPMS sensor is designed to activate in the following conditions:
- Tire pressure drop of 5psi or more
- Vehicle speed of 5mph or more
- TPMS tool

At all other times the sensor is going to be quiet.

The Canadian Kizashi doesn't have TPMS. I'm sure there's a way to modify the ecu or use a factory maintenance mode to modify the destination market for the car and affect the TPMS system.


I apologize for bumping...but thanks for this information!
 #48136  by Ronzuki
 Fri Nov 02, 2018 5:01 pm
Welcome, and no worries, glad you found the information here helpful.