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What does the tire pressure readout say when you select it with the steering wheel button?2015 LX570: TPMS logo blinks for about a minute on start-up then goes to a steady logo. Do I have a bad sensor or other problems...all tires have proper pressure...Thanks ...Flats
Perhaps the rotation moved the weak battery closer to the antenna?I had this same thing, they told me at the place I get my inspections that this means one sensor is dead, usually due to a low/dead battery.
Then the other day I did an oil change and rotated the tires, and the light hasn't been on since.![]()
Dunno. I have TPMS issues with 2 other cars so I'm considering getting an Autel unit so I can diagnose myself.Perhaps the rotation moved the weak battery closer to the antenna?
AFAIK they are both legal. Furthermore the speed sensor based system is gaining popularity and may become the predominant system due to lower cost for the cars to produce and lower waste created by in-tire sensors replacement. It is a lot more sophisticated than just monitoring wheel speed and with now more powerful CPU's in the cars they can better process/learn/adapt than before. Some complain that they are too sensitive.It is still using the old indirect method of monitoring tire pressure, by watching relative wheel speed. Really? I didn't think this was still allowable?
The blinking means intermitent error. If the error persists after 1min you get the solid color.2015 LX570: TPMS logo blinks for about a minute on start-up then goes to a steady logo. Do I have a bad sensor or other problems...all tires have proper pressure...Thanks ...Flats
Ok thanks. Had an '04 Highlander once that used wheel speed to monitor tire pressure, it was actually pretty reliable. The only down side is that there is no direct readout on the cluster of the actual tire pressures, just the light that tells you there's a problem somewhere.AFAIK they are both legal. Furthermore the speed sensor based system is gaining popularity and may become the predominant system due to lower cost for the cars to produce and lower waste created by in-tire sensors replacement. It is a lot more sophisticated than just monitoring wheel speed and with now more powerful CPU's in the cars they can better process/learn/adapt than before. Some complain that they are too sensitive.
But there is also hope for in-tire sensors with remote continuous charging them eliminating the need to replace at every tire change.
I guess in the future we'll see both systems, with the speed based one in most of the cars, and in-tire sensor based one in specific cars (sports cars, offroad).