Toyota zero point calibration
The purpose of this TSB is to provide information on when and how to perform the zero point calibration on vehicles equipped with vehicle stability control (VSC).
Momentarily disconnecting the battery is a necessary step for performing the zero point calibration.
Examples of affected vehicles include 1998-2009 4Runner, Avalon, Camry, Camry HV, Corolla, FL Cruiser, Highlander, Highlander HV, Land Cruiser, Matrix, Prius, RAV4, Sequoia, Sienna, Solara, Tacoma and Tundra.
Techstream and software version 2.20.015 or later is required.
Perform this procedure if wheel alignment has been adjusted, and/or if any chassis components have been removed/installed or replaced.
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Disconnect the negative battery cable for more than two seconds.
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Reconnect the negative battery cable.
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Perform the applicable zero point calibration of the yaw rate sensor and/or the steering angle sensor.
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Re-initialize all applicable systems (power window, sunroof, power lift door, etc.).
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