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Home >> Lexus >> 2009 >> LS 460L AWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning >> Front Evaporator Temperature Sensor >> Disassembly

Front Evaporator Temperature Sensor: Disassembly

  1. REMOVE BLOWER ASSEMBLY 
    1. Remove the screw.
    2. Disconnect the connector.
    3. Detach the claw and remove the blower unit.
    Fig 1: Identifying Blower Unit Connector And Screw
    G04950524Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. REMOVE DRAIN COOLER HOSE 
    1. Remove the 2 drain hoses.
    Fig 2: Identifying Drain Cooler Hose
    G04950525Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE AIR DUCT LH 
    1. Detach the 4 claws and remove the duct.
    Fig 3: Identifying Air Duct LH Claws
    G04950526Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE AIR DUCT RH 
    1. Detach the 4 claws and remove the duct.
    Fig 4: Identifying Air Duct RH Claws
    G04950527Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE COOL AIR BYPASS SERVO MOTOR LH 
    1. Disconnect the connector.
    2. Remove the 2 screws and damper servo.
    Fig 5: Identifying Cool Air Bypass Servo Motor Connector And Screws - LH
    G04950528Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE COOL AIR BYPASS SERVO MOTOR RH 
    1. Disconnect the connector.
    2. Remove the 2 screws and damper servo.
    Fig 6: Identifying Cool Air Bypass Servo Motor RH Connector And Screws
    G04950529Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE AIR MIX SERVO MOTOR LH (Cool) 
    1. Disconnect the connector.
    2. Remove the 2 screws and damper servo.
    Fig 7: Locating Air Mix Servo Motor LH Connector And Screws
    G04950530Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE AIR MIX SERVO MOTOR RH (Cool) 
    1. Disconnect the connector.
    2. Remove the 2 screws and damper servo.
    Fig 8: Locating Air Mix Servo Motor RH Connector And Screws
    G04950531Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE AIR OUTLET SERVO MOTOR LH (Face) 
    1. Detach the 3 claws and remove the lever.
      Fig 9: Identifying Air Outlet Servo Motor LH Claws And Lever
      G04950532Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the connector.
    3. Remove the 2 screws and damper servo.
    Fig 10: Locating Damper Servo Screws And Connector
    G04950533Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE AIR OUTLET SERVO MOTOR RH (Face) 
    1. Detach the claw and remove the lever.
      Fig 11: Identifying Air Outlet Servo Motor RH Claw And Lever
      G04950534Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the connector.
    3. Remove the 2 screws and damper servo.
    Fig 12: Identifying Damper Servo Screws And Connector
    G04950535Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE REAR MODE SERVO MOTOR LH 
    1. Disconnect the connector.
    2. Remove the 2 screws and damper servo.
    Fig 13: Locating Rear Mode Servo Motor LH Screws And Connector
    G04950536Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE REAR MODE SERVO MOTOR RH 
    1. Disconnect the connector.
    2. Remove the 2 screws and damper servo.
    Fig 14: Locating Rear Mode Servo Motor RH Screws And Connector
    G04950537Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE REAR AIR MIX SERVO MOTOR LH 
    1. Disconnect the connector.
    2. Remove the 2 screws and damper servo.
    Fig 15: Locating Rear Air Mix Servo Motor LH Screws And Connector
    G04950538Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE REAR AIR MIX SERVO MOTOR RH 
    1. Disconnect the connector.
    2. Remove the 2 screws and damper servo.
    Fig 16: Locating Rear Air Mix Servo Motor RH Screws And Connector
    G04950539Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE AIR MIX SERVO MOTOR LH (Hot) 
    1. Disconnect the connector.
    2. Remove the 2 screws and damper servo.
    Fig 17: Locating Air Mix Servo Motor LH Screws And Connector
    G04950540Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. REMOVE AIR MIX SERVO MOTOR RH (Hot) 
    1. Disconnect the connector.
    2. Remove the 2 screws and damper servo.
    Fig 18: Locating Air Mix Servo Motor RH Screws And Connector
    G04950541Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE HOT AIR BYPASS SERVO MOTOR 
    1. Disconnect the connector.
    2. Remove the 2 screws and damper servo.
    Fig 19: Locating Hot Air Bypass Servo Motor Screws And Connector
    G04950542Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. REMOVE FRONT FOOT/DEF SERVO MOTOR LH 
    1. Detach the claw and remove the main plate.
      Fig 20: Identifying Main Plate And Claws
      G04950543Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the connector.
    3. Remove the 3 screws and damper servo.
    Fig 21: Locating Damper Servo Screws And Connector
    G04950544Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. REMOVE FRONT FOOT/DEF SERVO MOTOR RH 
    1. Detach the claw and remove the main plate.
      Fig 22: Identifying Main Plate And Claw
      G04950545Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the connector.
    3. Remove the 3 screws and damper servo.
    Fig 23: Locating Damper Servo Screws And Connector
    G04950544Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. REMOVE PTC HEATER ASSEMBLY (w/ PTC Heater) 
    1. Remove the 2 screws.
    2. Detach the 3 clamps and remove the PTC heater.
      3. Fig 24: Identifying PTC Heater And Clamp
      G04950547Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. REMOVE AIR CONDITIONER HARNESS 
  22. REMOVE AIR CONDITIONER RADIATOR ASSEMBLY 
    1. Remove the screw and bracket.
      Fig 25: Identifying Air Conditioner Radiator Bracket And Screws
      G04950548Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the radiator, as shown in the illustration.
    Fig 26: Removing Radiator
    G04950549Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  23. REMOVE EVAPORATOR SUB-ASSEMBLY 
    1. Remove the butyl tape and packing from the A/C tube.
      Fig 27: Identifying Butyl Tape And Packing
      G04950550Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 6 screws.
    3. Detach the 3 claws and remove the front cooling unit case.
    4. Remove the evaporator.
    Fig 28: Locating Front Cooling Unit Case Claws And Screws
    G04950551Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  24. REMOVE FRONT EVAPORATOR TEMPERATURE SENSOR 
    1. Detach the clamp and remove the sensor.
    Fig 29: Identifying Air Conditioner Thermistor And Clamp
    G04950552Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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