Purchased After-market (Cheap) TPMS off of Ebay

Discussion in 'Gen 2 Prius Accessories & Modifications' started by ydpplqbd, Nov 15, 2019.

  1. ydpplqbd

    ydpplqbd Active Member

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    Recently, I received an after-market Tire Pressure Management System ("TPMS") off of ebay for about $20. The ebay Seller described the TPMS as "Wireless Solar TPMS LCD Car Tire Pressure Monitoring System + 4 External Sensors". The seller's handle is uronlifestore. Purchased it on ebay and received in less than a week. The TPMS has the following items:

    1.) Head unit display which has solar and usb charger;
    2.) Four ("4") wireless external sensors which screw onto the valve stem in lieu of the dust cap; and
    3.) Four ("4") locknuts for external sensors and wrench.

    Got this TPMS going today and yesterday. Directions were not very helpful. Instead, I watched a YT video which pretty much laid out the various issues in setting this up. So far I have set up tire pressure to be presented in PSI (rather than bars) and I have also set up tire temperature to be set up in F. I still have to do the following: i.) figure out how to set low pressure threshold; ii.) figure out how to set high pressure threshold; and iii.) figure out a permanent mount for this unit (temporarily this unit is beneath the radio in the little storage area (with fold-down door).

    Just thought that I would share. Last I checked my air pressure (and filled tires) was about four weeks ago. Found out that my RR tire was low on pressure (but did not look low). So I filled RR with some more air (I will keep on eye on that one as I may have a slow leak - 40psi to 25psi in four weeks).

    11152019_prius_wireless_air_pressure_sensors.JPG
     
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  2. bisco

    bisco cookie crumbler

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    that looks pretty sweet. i hope you get everything up and running. too bad it doesn't have a phone app
     
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  3. dolj

    dolj Senior Member

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    So it didn't come with any user manual?
     
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  4. Dxta

    Dxta Senior Member

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    And no calibration needed too?
     
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  5. ydpplqbd

    ydpplqbd Active Member

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    I have attached pics of the 4 page instruction manual. IRL, the 4 page manual is printed on both sides of a 3"x3" piece of paper. TPMS_instruction_manual_p3_p4.jpg TPMS_instruction_manual_p1_p2.jpg
     
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  6. ydpplqbd

    ydpplqbd Active Member

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    I agree a phone app would be especially sweet. I wonder if the Torque app could handle the wireless signals from the external sensors?
     
  7. ydpplqbd

    ydpplqbd Active Member

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    No calibration for sensors needed. However, I did check the readout on the screen and then remove each sensor temporarily so that I could compare to my tire pressure gauge. IOW, no initial calibration but subsequently checked for accuracy with manual gauge (all accurate within one PSI). TPMS came with sensors paired to the head-unit-display.
     
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  8. davemo

    davemo Junior Member

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    Be careful, as these can seize up on the valve stems (personal experience), as I tried them on my snow tires since they lacked the '06 TPMS that warned of falling below a certain PSI. I had a shop try to remove them. They ultimately had to destroy the remote sensors and replace the stems. There is probably solution to prevent this, but I just go old-fashioned, checking tire pressure manually more often now.
     
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  9. ydpplqbd

    ydpplqbd Active Member

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    Thanks for the heads-up. I will apply some never seize* and that should prevent a problem.

    *- h t tps://AM Network Information Centre azon.com/Permatex-81343-Anti-Seize-Lubricant-Tube/dp/B0002UEOLO/ref=sr_1_5?hvadid=4964644758&hvbmt=be&hvdev=c&hvqmt=e&keywords=never+seize+lubricant&qid=1574610742&sr=8-5
     
    #9 ydpplqbd, Nov 24, 2019
    Last edited: Nov 24, 2019
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  10. Salamander_King

    Salamander_King Senior Member

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    No apps have the ability to receive the signal from the external TPMS sensors AFAIK. There are some phone apps that can read the OEM sensor data off OBD, but it does not work while the car is moving.

    Yeah, I use a very similar sollar TPMS system with external sensors on my winter tires that have no internal OEM TPMS sensors. They are very accurate and convenient. I also use them during summer on my OEM wheel to keep eyes on individual tire pressure. I wish Toyota has made the internal OEM sensors to display the individual tire pressure on the screen. So, far going into the second season but doing OK. The battery has a tendency to die quickly, I changed two sensors with the new battery within 6 mo. Then I bought the replacement battery in bulk from Amazon since then just in case. All things considered, cheap and functional and vastly more informative and functional than the OEM TPMS that came with the car.

    IMG_20181115_105448-COLLAGE.jpg
     
    #10 Salamander_King, Nov 24, 2019
    Last edited: Nov 24, 2019
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  11. ydpplqbd

    ydpplqbd Active Member

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    Duplicate posting. Whoops!!!!
     
  12. ydpplqbd

    ydpplqbd Active Member

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    Is the bottom right picture (4th pic) a pic of the phone app reading the Toyota sensors?

    If so what phone app?
     
  13. Salamander_King

    Salamander_King Senior Member

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    Tire Assistant from the same app developer who makes Hybrid Assistant. You will need OBDII reader. Only thing is that the app will not allow reading the data while the car is in motion, similar to TechStream. For that, you will need ScanGuageII.
    Tire Assistant - Apps on Google Play
     
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  14. ydpplqbd

    ydpplqbd Active Member

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    Just got back from the tire shop. My RR tire was losing about 5 to 6 psi per week as shown by my cheap-aftermarket-TPMS system. Filled the RR tire up with air after first week and same thing happened the 2nd week. Today, the tire shop found a very small nail in the tread (of the offending RR tire) which you could not see with your eye. Tire shop was able to find the leak by immersing the tire in the water tank.
     
    #14 ydpplqbd, Nov 25, 2019
    Last edited: Nov 25, 2019
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