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Home >> Lexus >> 2006 >> GS 300 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (3GR-FSE) - System And Circuit Testing, On-Vehicle Inspection, Removal, Inspection And Installation >> Engine Coolant Temperature Sensor >> Removal
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Engine Coolant Temperature Sensor: Removal

  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
  2. REMOVE COOL AIR INTAKE DUCT SEAL (see  REMOVAL   ) 
  3. REMOVE ENGINE UNDER COVER (see  REMOVAL   ) 
  4. DRAIN ENGINE COOLANT (See  ON-VEHICLE INSPECTION  ) 
  5. REMOVE ENGINE ROOM SIDE COVER RH (see  REMOVAL   ) 
  6. REMOVE V-BANK COVER (see  REMOVAL   ) 
  7. DISCONNECT NO. 2 VENTILATION HOSE (see  REMOVAL   ) 
  8. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE (see  REMOVAL   ) 
  9. DISCONNECT COLD START INJECTOR (See  REMOVAL  ) 
  10. DISCONNECT WATER BYPASS HOSE (see  REMOVAL   ) 
  11. DISCONNECT HEATER WATER INLET HOSE (See  REMOVAL  ) 
  12. REMOVE HEATER WATER OUTLET HOSE (See  REMOVAL  ) 
  13. REMOVE ENGINE REAR COVER (See  REMOVAL  ) 
  14. DISCONNECT UNION TO CHECK VALVE HOSE (See  REMOVAL  ) 
  15. DISCONNECT VENTILATION HOSE (See  REMOVAL  ) 
  16. DISCONNECT FUEL MAIN TUBE (See  REMOVAL  ) 
  17. REMOVE INTAKE AIR SURGE TANK (See  REMOVAL  ) 
  18. REMOVE INTAKE MANIFOLD (See  REMOVAL  ) 
  19. REMOVE ENGINE COOLANT TEMPERATURE SENSOR 
    1. Disconnect the sensor connector.
    2. Remove the sensor.
    3. Remove the gasket from the sensor.
      Fig 1: Identifying Engine Coolant Temperature Sensor
      G04018073Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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