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International Automotive Technicians Network
Re: Changing tire sizes for speedometer calibration
Posted to Technical Discussion Forum on 6/8/2015

Never heard of such a thing using a Toyota/Lexus scan tool. 15 year Lexus dealer tech here. I'm competent with all generations of factory Toyota/Lexus scan tools.

When changing tire diameter, I've always used the formula in the following link to calculate ac... Login to read more.