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TPS Readings

Discussion in 'Prime Main Forum (2017-2022)' started by geguia, Oct 18, 2017.

  1. geguia

    geguia Active Member

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    I don't have my manuals available so i apologize for the obvious question

    how do i bring up the Tire pressure monitor sensor readings up on my screen?

    I have the prime premium.

    I did figure out how to reset the sensors.

    Thanks
     
    #1 geguia, Oct 18, 2017
  2. Mendel Leisk

    Mendel Leisk Senior Member

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    I don't think you can see individual TPMS sensor readings without Techstream?

    upload_2017-10-18_9-31-23.png
     
    #2 Mendel Leisk, Oct 18, 2017
    bwilson4web, Mark57 and Tyfly like this.
  3. Tyfly

    Tyfly Member

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    Mendel Leisk is correct. The Prius currently doesn't offer a real time tire pressure reading. You can buy an aftermarket system that will display the pressure on a separate screen.

    It's a strange oversight when you consider how important proper tire pressure is to fuel economy, especially in a Prius. Oddly enough, my brother in law had a 2012 Camry LE that would show the current tire pressures. Go figure!
     
    #3 Tyfly, Oct 18, 2017
  4. Mark57

    Mark57 2021 Tesla Model 3 LR AWD

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    Correct. You can reset the levels to current only as your manual shot above shows.
     
    #4 Mark57, Oct 18, 2017
  5. geguia

    geguia Active Member

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    oh - that sucks. So what's the point of the sensors if i can't read them? That i have an imminent flat?
     
    #5 geguia, Oct 18, 2017
  6. Mark57

    Mark57 2021 Tesla Model 3 LR AWD

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    You set the threshold you want, if it goes below, you get warned. It gets it done for the masses and not the 0.000001% that want the actual numbers. Yeah, I'd like the actual numbers myself but that has not stopped the current TPMS from being useful.
     
    #6 Mark57, Oct 18, 2017
  7. geguia

    geguia Active Member

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    Understood. So inflate all your tires and reset the sensors and it will then tell you if a particular wheel falls below your threshold?
     
    #7 geguia, Oct 18, 2017
  8. Mark57

    Mark57 2021 Tesla Model 3 LR AWD

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    Right
     
    #8 Mark57, Oct 18, 2017
  9. Tyfly

    Tyfly Member

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    Correct. You can raise the pressure threshold for the light to illuminate by over-inflating your tires and initializing the system. Then you reduce the pressure to the level you want.

    The light will now come on when the pressure drops 7-8 PSI below the pressure that was initialized.

    Ex: If inflated to 40 PSI (cold), the TPMS indicator comes on around 32-33 PSI.
     
    #9 Tyfly, Oct 18, 2017
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