2003 Lexus LS 430FACTORY OEM SERVICE PROCEDURE

YAWRATE Sensor: Replacement

WARNING: This page is about a different car, the 2004 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
  1. REMOVE CONSOLE UPPER REAR PANEL SUB-ASSY (See  REPLACEMENT  ) 
  2. REMOVE CONSOLE PANEL SUB-ASSY UPPER (See  REPLACEMENT  ) 
  3. REMOVE CONSOLE UPPER PANEL GARNISH NO.1 (See  REPLACEMENT  ) 
  4. REMOVE CONSOLE UPPER PANEL GARNISH NO.2 (See  REPLACEMENT  ) 
  5. REMOVE CONSOLE BOX ASSY REAR (See  REPLACEMENT  ) 
  6. REMOVE YAWRATE SENSOR 
    1. Disconnect the yawrate sensor connector.
    2. Remove the 2 bolts and yawrate sensor.
      Fig 1: Removing Yawrate Sensor
      G02857270Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. INSTALL YAWRATE SENSOR 
    1. Install the yawrate sensor with 2 bolts.
      Fig 2: Installing Yawrate Sensor
      G02857271Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 13.3 N.m (136 kgf.cm, 10 ft.lbf) 

    2. Connect the yawrate sensor connector.
  8. INSTALL CONSOLE BOX ASSY REAR 
  9. INSTALL CONSOLE UPPER PANEL GARNISH NO.2 
  10. INSTALL CONSOLE UPPER PANEL GARNISH NO.1 
  11. INSTALL CONSOLE PANEL SUB-ASSY UPPER 
  12. INSTALL CONSOLE UPPER REAR PANEL SUB-ASSY 
  13. PERFORM YAWRATE SENSOR ZERO POINT CALIBRATION (See  PRE-CHECK  ) 
  14. CHECK VSC SENSOR SIGNAL (See  PRE-CHECK  ) 
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.