How to Troubleshoot a Toyota Corolla LEDx Speedometer
A faulty speedometer could help you run the risk of getting a speeding ticket. Troubleshooting an LED speedometer in a Toyota Corolla is vital to allow you to ensure you are reading the correct speed. Not only does a working speedometer protect you from speeding, it can increase your safety. There are a series of steps which will help you correctly and effectively troubleshoot your Toyota Corolla LED speedometer in a matter of minutes.
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Instructions
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Locate the manual for your Corolla and check the recommended tire size. The speedometer in the car runs on the revolutions of the tire. If the tires are not the recommended size then you will be getting a different reading than what you should be getting if your tires were at the correct size.
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Drive your Toyota Corolla around the block a few times to make sure the speedometer is actually registering something. If it isn't, then you may need to have a new one installed.
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Get on a road where you can safely drive at 60 mph. Once you have reached this speed in your Corolla, ask a passenger to look for mile markers, which are common on most interstate highways. Get the passenger to mark the mile number and start the stopwatch.
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Note the overall time it took you to drive the mile at a steady 60 mph. If the speedometer is reading different than what you have noted then you will need to get the tires on the Corolla pumped up or deflated a bit. Take your car to a mechanic to get your tires correctly sized.
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References
Resources
- Photo Credit speedometer image by Robert Kelly from Fotolia.com
