TOYOTA Suspension Tire Inflation Pressure Compensation and Adjustment


Filed Under (Toyota Manuals) by admin on 06-10-2011

2004-2010 4Runner 2007-2010 Avalon, Camry, Camry HV, RAV4, Sienna 2008-2010 Corolla, FJ Cruiser, Highlander, Highlander HV, Matrix, Yar is 2006-2010 Land Cruiser, Prius, Tacoma 2005-2010 Sequoia, Tundra 2007-2008 Solara 2009-2010 Venza The purpose of this bulletin is to provide a procedure to adjust tire pressure correctly when outside temperature is significantly colder or warmer than shop temperature. Seasonal temperature change can dramatically alter tire pressure, which can cause the tire pressure warning lamp to illuminate. Tire temperature is dependent on”cold”tire pressure, driving distance and speed, ambient temperature and road surface temperature. As the temperature of the tire changes, air in the tire expands and contr acts, changing the tire’sairpressure. The cold tire pressure for all Toyota models will vary and will need to be adjusted accordingly. “Cold”tire pressure, as shown on the tire pressure label on our vehicles, is generally considered to be the pressure in a tire that has not been driven in the past 4 hours and has been parked outdoors. The TPWS MUST be initialized with the tire pressure marked on the vehicle placard. Tires are then adjusted according to the information in this bulletin to ensure that the TPWS light does not illuminate unnecessarily.

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