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Discussion Starter #1
Need to know . . . From an on board computer print out in the
"tire pressure monitor / data list" the registered id 1 or id 2 etc
references what position on the vehicle ? i.e
id1 = LF
id2 = RF etc,etc


had to move to a new laptop during the winter, need to reenter the
tire data for summer tires. beginning to look like snow is departing
and thus time to remove the 4 blizzacks yeah!
 

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2008 RAV4 Limited V6
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Need to know . . . From an on board computer print out in the
"tire pressure monitor / data list" the registered id 1 or id 2 etc
references what position on the vehicle ? i.e
id1 = LF
id2 = RF etc,etc


had to move to a new laptop during the winter, need to reenter the
tire data for summer tires. beginning to look like snow is departing
and thus time to remove the 4 blizzacks yeah!
Each TPMS sensor has a unique electronic serial number. There is no way the TPMS can sense where each sensor is located. Even if you map each serial number to a LF or RF position, those positions will change during a tire rotation.
 

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A bit off-topic, sorry.
Chrysler and Cadillac (maybe others) map their sensors to positions on the vehicle, so if you rotate your tires, it appears you have to go back to the dealer for remapping, well, what do you expect, American vehicle.

http://st.motortrend.com/uploads/sites/5/2014/05/2014-Cadillac-ATS-20T-tire-pressure-sensor.jpg

So, it is probably a good method that Toyota is using, identifying the wheel with an ID number. You could probably mark he ID number on the back side of the rim of each wheel with a paint marker to keep track of which wheel has which ID number
 

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If you have techstream, what you do is bring the TPMS up, record the tire psi and let air out of tire one at a time to find location of the tire. Did mine a few days ago.
as in this video

 

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2008 RAV4 Limited V6
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Too bad tires don't have a unique serial number on the sidewall. That would be one way to map the TPMS ID to the individual tire.
 
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Discussion Starter #6
Each TPMS sensor has a unique electronic serial number. There is no way the TPMS can sense where each sensor is located. Even if you map each serial number to a LF or RF position, those positions will change during a tire rotation.
Many electronic TPMS gadgets require you to have the sensor IDs
and positions before swapping sets. The initial tire shop step is swap tires
collect the sensor ids and install to onboard, there is a sequence. With
the seasonal id swapper gadget you need position and ids to match.
there are vehicles that after a swap just collects all needed data.
Are you saying the RAV4 does that automatically collects ids if wheels
are swapped as in summer / winter set? :confused:
What years do that?
the onboard keeps ids in a position for reference, majority of printouts
show that.
 

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Toyota does not automatically collect TPMS IDs. Need the techstream, or some tire shops have a system reset tool for doing the seasonal swap.
 
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