ABS/TCS - Intermittent VSC Activation

BRAKES
BR008-04
REVISED

Title:
STEERING ANGLE SENSOR

Models:
'04 Highlander & Sienna

November 30, 2004

TSB REVISION NOTICE:
^ February 23, 2005: The Production Change Information table has been updated. The previous TSB should be discarded.

Introduction

Some customers may experience an intermittent VSC activation after starting the engine and driving straight from a stop position. This condition is always accompanied by the instrument panel VSC light and audible warning buzzer turning on at the same time. To prevent this condition, the Steering Angle Sensor has been changed.

Applicable Vehicles

^ 2004 model year Highlander and Sienna vehicles produced BEFORE the Production Change Effective VINs shown.

Production Change Information

Parts Information

Warranty Information

Applicable Warranty*:
This repair is covered under the Toyota Comprehensive Warranty. This warranty is in effect for 36 months or 36,000 miles, whichever occurs first, from the vehicle's in-service date.

* Warranty application is limited to correction of a problem based upon a customer's specific complaint.

Required SSTs

Repair Procedure

1. Check for ABS/VSC DTCs using the Diagnostic Tester.

2. If ABS/VSC DTC(s) are present, then follow diagnostics for specific DTC(s).

3. If no ABS/VSC DTC(s) are present, then remove and replace the steering angle sensor following the procedures outlined in the Technical Information System (TIS), 2004 model year Highlander or Sienna Repair Manual: Brake, Steering Sensor.

4. Perform Zero Point Calibration. Refer to TSB No. BR001-04, "Zero Point Calibration."

5. Road test vehicle.