2006 Lexus IS 350FACTORY OEM SERVICE PROCEDURE

Engine Coolant Temperature Sensor: Installation

  1. INSTALL ENGINE COOLANT TEMPERATURE SENSOR 
    1. Install a new gasket to the engine coolant temperature sensor.
    2. Install the engine coolant temperature sensor.

      Torque: 20 N*m (204 kgf*cm, 15 ft.*lbf) 

    3. Connect the engine coolant temperature sensor connector.
      Fig 1: Identifying Engine Coolant Temperature Sensor
      G04054951Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL INTAKE MANIFOLD (See  INSTALLATION  ) 
  3. INSTALL INTAKE AIR SURGE TANK ASSEMBLY (See  INSTALLATION  ) 
  4. INSTALL THROTTLE BODY (See  INSTALLATION   ) 
  5. INSTALL AIR CLEANER CAP WITH AIR CLEANER HOSE (See  INSTALLATION   ) 
  6. CONNECT NO. 2 VENTILATION HOSE (See  INSTALLATION   ) 
  7. ADD ENGINE COOLANT (See  COOLANT  ) 
  8. CHECK FOR ENGINE COOLANT LEAKS (See  COOLANT  ) 
  9. FUEL LEAKAGE (See  ON-VEHICLE INSPECTION  ) 
  10. INSTALL COWL TOP VENTILATOR LOUVER SUBASSEMBLY (See  INSTALLATION  ) 
  11. INSTALL WINDSHIELD WIPER ARM AND BLADE ASSEMBLY LH (See  INSTALLATION  ) 
  12. INSTALL WINDSHIELD WIPER ARM AND BLADE ASSEMBLY RH (See  INSTALLATION  ) 
  13. INSTALL FRONT WIPER ARM HEAD CAP (See  INSTALLATION  ) 
  14. INSTALL ROOF DRIP SIDE FINISH MOULDING LH 
  15. INSTALL ROOF DRIP SIDE FINISH MOULDING RH 
  16. INSTALL FRONT FENDER PROTECTOR UPPER LH (See  INSTALLATION  ) 
  17. INSTALL FRONT FENDER PROTECTOR UPPER RH (See  INSTALLATION  ) 
  18. INSTALL V-BANK COVER SUB-ASSEMBLY (See  INSTALLATION  ) 
  19. INSTALL ENGINE ROOM SIDE COVER LH (See  INSTALLATION  ) 
  20. INSTALL ENGINE ROOM SIDE COVER RH (See  INSTALLATION  ) 
  21. INSTALL COOL AIR INTAKE DUCT SEAL (See  INSTALLATION  ) 
Factory Service Tools

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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.

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