Canada - Alignment - Zero Point Calibration On VSC

Bulletin
TSB2988

Issue Date
March 31, 2008

Market
Canada

Title
Disconnect Battery & Perform Zero Point Calibration After Wheel Alignment Adjustment

Component
BRAKES

Models
'98 - '09 4Runner, Avalon, Camry, Camry HV, Corolla, FJ Cruiser, Highlander, Highlander HV, Land Cruiser, Matrix, Prius, RAV4, Sequoia, Sienna, Solara, Tacoma, Tundra

INTRODUCTION:

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.






APPLICABLE VEHICLES:






WARRANTY:






REQUIRED SSTs:

PRELIMINARY INFORMATION:

Perform this procedure if any of these repairs have been performed on the vehicle:
- Wheel alignment has been adjusted.
- Any chassis components have been removed/installed or replaced.

REPAIR PROCEDURE:

1. Record the radio station presets.
2. Disconnect the cable from the negative (-) battery terminal for MORE THAN two [2] seconds.
3. Reconnect the cable to the negative (-) battery terminal.
4. Perform the applicable zero point calibration of the yaw rate sensor and/or the steering angle sensor.

HINT
Refer to the applicable TSB or Repair Manual for the zero point calibration procedure.

5. Re-initialize all applicable systems available on the vehicle (power window, sunroof, power lift door, etc.].
6. Reset the radio presets and clock.

NOTE:
Issue of this Technical Service Bulletin is to ensure that proper repair information is available. IT DOES NOT CONSTITUTE AN AUTHORIZATION FOR REPAIR. Normal provisions of the formal warranty policy, as applicable, will apply.