Mazda 3 Tire Pressure Monitor System How to Read the Pressure
How to Reset a Stuck Depression Tire Force per unit area (TPMS) Light
Kate is a research enthusiast with a Bachelor of Science caste from Sonoma Country University. Kate has a passion for the automotive field.
Did your low tire pressure light remain on after you filled upwardly your tires? Learn why this can happen and what you can do to turn information technology off.
Annie Spratt via Unsplash; Hydrargyrum, CC-BY-SA-3.0 via Wikimedia Commons; Canva.com
The low tire pressure light on your machine (also known every bit the TPMS low-cal) should turn off when you have filled your tires to the proper pressure in terms of PSI (pounds per square inch). Sometimes, however, it just doesn't work. The light doesn't ever reset, and that can go out you with an annoying orange lite or—with some newer vehicles—a constant message on your brandish that your tire force per unit area is low.
If you have ensured that the tire force per unit area is fine in each of your tires, including your spare (yes, they often accept sensors too), and the warning light still refuses to turn off, here are a few methods you can use to endeavor to reset information technology.
iv Ways to Turn off the Low Tire Pressure (TPMS) Low-cal
| Method | Tools Required |
|---|---|
| 1. Bulldoze at 50 mph for 10 miles. | None |
| two. Utilise your vehicle's TPMS reset push. | None |
| 3. Debunk and reinflate the tires. | Air pump |
| 4. Disconnect and reconnect the car'due south battery. | Wrench |
1. Drive at fifty MPH for 10 Miles
The easiest method is to drive about 10 miles at l mph. If you can, use the cruise control feature to continue the speed constant. Some vehicles reset their sensors at higher speeds than others. When yous're washed, park and shut off the car. The next fourth dimension y'all beginning it, the light should go off.
2. Use Your Vehicle's TPMS Reset Button
Each tire has a sensor. Sometimes the sensor system simply needs resetting. Check your owner'south manual for the location of the TPMS (Tire Pressure Monitoring Organisation) reset button.
Procedure
- Put the key in the ignition and plough it to the "on" position, but do not commencement the car.
- Press and hold downward the reset push (sometimes located under the steering wheel) until the depression-pressure light blinks 3 times.
- Release the push.
- Start the vehicle and permit it run for 20 minutes to let its calculator recalibrate each sensor.
- Plow off the ignition.
iii. Debunk and Reinflate the Tires
Some vehicles, like the Toyota Prius, for example, characteristic a leeway of three pounds or and then for tire pressure. If the reset button doesn't work, try inflating each tire to its proper PSI plus iii, then deflate all of the tires to well-nigh goose egg. Side by side, re-inflate all of the tires to the advisable pressure noted on the sidewall. Don't forget the spare tire—it often has a sensor attached as well. Drive a few miles at fifteen mph to reset the sensors.
4. Disconnect and Reconnect the Car'south Bombardment
Your machine has an onboard calculator that checks all the sensors in the vehicle (including the tire pressure sensors) and decides what to do with that information. Just like your computer at home, the calculator in your car may occasionally take an unexplained glitch in its organisation. A quick and piece of cake manner to reset your figurer is to disconnect and reconnect your car'south battery.
Procedure
- Open your vehicle'south hood.
- Find the battery and disconnect the negative battery cable. You will demand a wrench to do this.
- One time the bombardment is asunder, turn your vehicle on and press the horn for approximately 3 seconds. This volition bleed any remaining energy stored in the vehicle'southward electric system.
- Reconnect the negative battery cable.
An Illuminated Depression Tire Pressure Warning Light, or TPMS light, on a Typical Dashboard
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If the Above Methods Practise Not Fix the Problem
Information technology is besides possible that your tires are fine, but your sensor is damaged. If then, it may be necessary to take your vehicle to your dealer or repair store to have the sensor replaced.
A sensor can be damaged during:
- Normal tire service
- Tire replacement
- Brake organization work
- Tire rotation
- A CV boot/beam replacement
- An oil change
- A filter modify
Additionally, the air pressure judge may be miscalibrated, or the battery that powers the sensor may have died. In these cases, the sensor volition need to exist recalibrated or replaced. If you lot take your vehicle to your dealership or a dealer-recommended repair shop, they will likely be able to prepare it in minutes with a browse tool.
Other Concerns and Last Resorts
Sometimes, if the TPMS light comes back on, it may indicate a larger problem. Any of the following may be truthful:
- Ane of the tires may accept a dull leak.
- The system may have an internal error that prevents information technology from functioning properly.
- The wheel sensor may need to exist replaced (in an indirect TPMS).
In an Indirect arrangement, if the cycle sensor has gone bad, the ABS warning calorie-free will besides illuminate. If this is the case, the vehicle needs to go to a certified mechanic. A mechanic tin can detect and patch the leak or supplant the tire. They can besides repair or replace the sensor organization, if needed. Replacing the arrangement can cost around $1,000.
E'er keep the cap screwed onto your tire valve stem—this will assist foreclose mud and other droppings from damaging the pressure sensor.
Christopher Ziemnowicz, Public Domain via Wikimedia Commons
Maintenance Tips for Avoiding Pressure Sensor Faults
In one case the problem is fixed, you probably won't want to have to become through a futurity malfunction. Post-obit a few simple maintenance tips can keep your tire pressure level monitoring organization running well. Here's what you can exercise to minimize your chances of getting stuck with another malfunction
- Commencement, if a tire requires a replacement valve-stem core, choose a stainless steel core. The brass cores corrode. A stainless steel core costs about $2, but a corrosion-damaged sensor tin cost about $100 to fix or supercede. It'due south worth investing in the stainless core.
- 2nd, always keep the cap screwed onto the valve stem. This protects the sensor from water, mud, and route table salt damage.
- Third, avoid using aerosol flat-fixer, if possible. It may say "sensor-condom," only it tin cause problems if the fixer compound enters the hole through which the sensor measures pressure. If a sensor hole becomes plugged, it may get unable to take readings.
A stuck low tire pressure calorie-free can exist annoying and distracting to a commuter. When it malfunctions, it puts drivers and passengers at run a risk since information technology no longer accurately transmits tire inflation information. The sooner you fix it, the sooner yous'll exist driving safely again. Good luck!
This article is authentic and true to the best of the author's knowledge. Content is for informational or entertainment purposes simply and does not substitute for personal counsel or professional advice in business organization, financial, legal, or technical matters.
© 2017 Kate Daily
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