2003 Lexus SC 430FACTORY OEM SERVICE PROCEDURE

Laser Sensor: Replacement

WARNING: This page is about a different car, the 2004 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
  1. SEPARATE BATTERY NEGATIVE TERMINAL 
  2. REMOVE ENGINE UNDER COVER NO.1 (SEE  REPLACEMENT  ) 
  3. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH (SEE  REPLACEMENT  ) 
  4. REMOVE FRONT FENDER LINER LH (SEE  REPLACEMENT  ) 
  5. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH (SEE  REPLACEMENT  ) 
  6. REMOVE FRONT FENDER LINER RH (SEE  REPLACEMENT  ) 
  7. REMOVE FRONT BUMPER COVER (SEE  REPLACEMENT  ) 
  8. REMOVE FRONT BUMPER REINFORCEMENT SUB-ASSY (SEE  REPLACEMENT  ) 
  9. REMOVE LASER SENSOR 
    1. Disconnect the connector and remove the laser sensor.
      Fig 1: Disconnecting Connector And Removing Laser Sensor
      G01049301Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. INSTALL LASER SENSOR 
    NOTE: Do not install the laser sensor if it has been damaged or if it has received some sort of shock.
  11. INSTALL FRONT BUMPER REINFORCEMENT SUB-ASSY (SEE  REPLACEMENT  ) 
  12. ADJUST FOG LIGHT AIM (SEE  FOG LAMPS  ) 
  13. CHECK FOG LIGHT AIM 
  14. ADJUST LASER SENSOR (SEE  ADJUSTMENT  ) 
Factory Service Tools

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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.

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