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Engine Coolant Temperature Sensor (1NZ-FXE): Replacement

  1. PRECAUTION (See  ON-VEHICLE INSPECTION  ) 
  2. REMOVE RADIATOR SUPPORT OPENING COVER (See  REPLACEMENT   ) 
  3. REMOVE ENGINE UNDER COVER LH 
  4. REMOVE ENGINE UNDER COVER RH 
  5. DRAIN ENGINE COOLANT (See  REPLACEMENT  ) 
  6. DRAIN HV COOLANT (See  REPLACEMENT  ) 
  7. REMOVE REAR FLOOR BOARD NO. 2 (See  REPLACEMENT  ) 
  8. REMOVE DECK FLOOR BOX REAR (See  REPLACEMENT  ) 
  9. REMOVE REAR FLOOR BOARD NO. 3 (See  REPLACEMENT  ) 
  10. DISCONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL) (See  REPLACEMENT  ) 
  11. REMOVE SERVICE PLUG GRIP (See  SERVICE PLUG GRIP  ) 
  12. REMOVE WINDSHIELD WIPER ARM COVER 
  13. REMOVE FR WIPER ARM RH (See  REPLACEMENT  ) 
  14. REMOVE FR WIPER ARM LH (See  REPLACEMENT  ) 
  15. REMOVE HOOD TO COWL TOP SEAL (See  REPLACEMENT  ) 
  16. REMOVE COWL TOP VENTILATOR LOUVER LH (See  REPLACEMENT  ) 
  17. REMOVE COWL TOP VENTILATOR LOUVER RH (See  REPLACEMENT  ) 
  18. REMOVE WINDSHIELD WIPER LINK ASSY (See  REPLACEMENT  ) 
  19. REMOVE COWL TOP PANEL SUB-ASSY OUTER FRONT (See  REPLACEMENT  ) 
  20. REMOVE INVERTER COVER (See  REPLACEMENT  ) 
  21. VERIFY THAT VOLTAGE OF W/CONVERTER INVERTER ASSY IS 0V (See  REPLACEMENT  ) 
  22. DISCONNECT INVERTER COOLING HOSE NO. 2 (See  REPLACEMENT  ) 
  23. DISCONNECT INVERTER COOLING HOSE NO. 1 (See REPLACEMENT  ) 
  24. DISCONNECT INVERTER COOLING HOSE NO. 6 (See  REPLACEMENT  ) 
  25. REMOVE CIRCUIT BREAKER SENSOR NO. 1 (See  REPLACEMENT  ) 
  26. DISCONNECT FRAME WIRE NO. 2 (See  REPLACEMENT  ) 
  27. REMOVE W/CONVERTER INVERTER ASSY (See  REPLACEMENT  ) 
  28. REMOVE ENGINE COOLANT TEMPERATURE SENSOR 
    1. Disconnect the engine coolant temperature sensor connector.
    2. Using a deep socket wrench 19 mm, remove the engine coolant temperature sensor and gasket.
    Fig 1: Removing Engine Coolant Temperature Sensor
    G02616336Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  29. REMOVE ENGINE COOLANT TEMPERATURE SENSOR 
    1. Using a deep socket wrench 19 mm, install a new gasket and the engine coolant temperature sensor.
    2. Torque: 20 N.m (200 kgf.cm, 14 ft.lbf) 
    3. Connect the engine coolant temperature sensor connector.
    Fig 2: Removing/Connecting Engine Coolant Temperature Sensor
    G02616337Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  30. INSTALL W/CONVERTER INVERTER ASSY (See  REPLACEMENT  ) 
  31. CONNECT FRAME WIRE NO. 2 (See  REPLACEMENT  ) 
  32. INSTALL CIRCUIT BREAKER SENSOR NO. 1 (See  REPLACEMENT  ) 
  33. CONNECT INVERTER COOLING HOSE NO. 6 
  34. CONNECT INVERTER COOLING HOSE NO. 1 
  35. CONNECT INVERTER COOLING HOSE NO. 2 
  36. INSTALL INVERTER COVER (See  REPLACEMENT  ) 
  37. INSTALL COWL TOP PANEL SUB-ASSY OUTER FRONT (See ) 
  38. INSTALL WINDSHIELD WIPER LINK ASSY (See  REPLACEMENT  ) 
  39. INSTALL SERVICE PLUG GRIP (See  REPLACEMENT  ) 
  40. CONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL) (See  REPLACEMENT  ) 
  41. ADD ENGINE COOLANT (See  REPLACEMENT  ) 
  42. ADD HV COOLANT (See  REPLACEMENT  ) 
  43. CHECK FOR ENGINE COOLANT LEAKS (See  ON-VEHICLE INSPECTION  ) 
  44. CHECK FOR HV COOLANT LEAKS 
  45. INSTALL COWL TOP VENTILATOR LOUVER RH 
  46. INSTALL COWL TOP VENTILATOR LOUVER LH 
  47. INSTALL HOOD TO COWL TOP SEAL 
  48. INSTALL FR WIPER ARM LH (See  REPLACEMENT  ) 
  49. INSTALL FR WIPER ARM RH (See  REPLACEMENT  ) 
  50. INSTALL WINDSHIELD WIPER ARM COVER 
  51. INSTALL REAR FLOOR BOARD NO. 3 
  52. INSTALL DECK FLOOR BOX REAR 
  53. INSTALL REAR FLOOR BOARD NO. 2 
  54. INSTALL ENGINE UNDER COVER RH 
  55. INSTALL ENGINE UNDER COVER LH 
  56. INSTALL RADIATOR SUPPORT OPENING COVER 
  57. POWER WINDOW CONTROL SYSTEM INITIALIZE (See  INITIALIZATION  )