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Home >> Toyota >> 2009 >> Corolla S, 1.8 L, Standard >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating / Air Conditioning >> Air Conditioning Unit >> Disassembly

Air Conditioning Unit: Disassembly

  1. REMOVE IMMOBILISER CODE ECU (w/ Smart Key System)  (See REMOVAL )
  2. REMOVE TRANSPONDER KEY ECU (w/o Smart Key System)  (See REMOVAL )
    Fig 1: Locating Blower Assembly And Screws
    G06015360Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE AIR OUTLET CONTROL SERVO MOTOR (for Automatic Air Conditioning System) 
    1. Disconnect the connector.
    2. Remove the 3 screws and the air outlet control servo motor.
      Fig 2: Locating Air Outlet Control Servo Motor And Screws
      G06015361Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE AIR MIX CONTROL SERVO MOTOR (for TMC Made with Automatic Air Conditioning System) 
    1. Disconnect the connector.
    2. Remove the 3 screws and the air mix control servo motor.
      Fig 3: Locating Air Mix Control Servo Motor And Screws
      G06015362Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE AIR MIX CONTROL SERVO MOTOR (for TMMC, NUMMI Made with Automatic Air Conditioning System) 
    1. Disconnect the connector.
    2. Remove the 2 screws and the air mix control servo motor.
      Fig 4: Locating Air Mix Control Servo Motor And Screws
      G06015363Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE NO. 2 HEATER CONTROL CABLE SUB-ASSEMBLY (for Manual Air Conditioning System) 
    1. Using a screwdriver with the tip taped, disengage the claw and remove the No. 2 heater control cable sub-assembly.
      Fig 5: Removing No 2 Heater Control Cable Sub-Assembly
      G05389991Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE AIR MIX DAMPER CONTROL CABLE SUB-ASSEMBLY (for Manual Air Conditioning System) 
    1. Using a screwdriver with the tip taped, disengage the claw and remove the air mix damper control cable sub-assembly.
      Fig 6: Removing Air Mix Damper Control Cable Sub-Assembly
      G05389992Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE QUICK HEATER ASSEMBLY (w/ PTC Heater) 
    1. Disengage each clamp.
    2. Remove the 2 screws.
      Fig 7: Locating Quick Heater Assembly And Screws
      G06015366Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the quick heater assembly as shown in the illustration.
      Fig 8: Removing Quick Heater Assembly
      G06015367Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE AIR CONDITIONING HARNESS ASSEMBLY (for Automatic Air Conditioning System) 
    1. Disconnect the connector.
    2. Disengage each clamp and remove the air conditioning harness.
      Fig 9: Identifying Air Conditioning Harness And Clamp
      G06015368Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE CONSOLE MOUNTING BRACKET RH 
    1. Disengage the 2 claws and remove the console mounting bracket RH as shown in the illustration.
      Fig 10: Removing Console Mounting Bracket RH And Claws
      G06015369Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE CONSOLE MOUNTING BRACKET LH 
    1. Remove the screw and the console mounting bracket LH.
      Fig 11: Locating Console Mounting Bracket LH And Screw
      G06015370Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE AIR CONDITIONING AMPLIFIER ASSEMBLY 
    1. Remove the screw.
    2. Disengage the claw and remove the air conditioning amplifier assembly as shown in the illustration.
      Fig 12: Locating Air Conditioning Amplifier Assembly With Claw And Screw
      G06015371Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE AIR CONDITIONING DUCT SUB-ASSEMBLY (for Automatic Air Conditioning System) 
    1. Disengage the 2 claws and remove the air conditioning duct sub-assembly.
      Fig 13: Identifying Air Conditioning Duct Sub-Assembly And Claws
      G06015372Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE DRAIN COOLER HOSE 
    1. Remove the drain cooler hose from the air conditioning radiator assembly.
      Fig 14: Identifying Drain Cooler Hose From Air Conditioning Radiator Assembly
      G06015373Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE HEATER RADIATOR UNIT SUB-ASSEMBLY 
    1. Remove the screw and the clamp.
    2. Remove the heater radiator unit sub-assembly from the air conditioning unit assembly.
      Fig 15: Identifying Heater Radiator Unit Sub-Assembly With Screw And Clamp
      G06015374Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. REMOVE COOLER EXPANSION VALVE 
    1. Using a 4 mm hexagon wrench, remove the 2 hexagon bolts and cooler expansion valve.
      Fig 16: Identifying Cooler Expansion Valve And Hexagon Bolts
      G06015375Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE NO. 1 COOLER EVAPORATOR SUB-ASSEMBLY 
    1. Remove the 4 screws.
      Fig 17: Locating No 1 Cooler Evaporator Sub-Assembly And Screws
      G05389999Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the 4 claws and remove the lower heater case.
      Fig 18: Removing Lower Heater Case And Claws
      G05390000Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disengage the clamp, and remove the No. 1 cooler evaporator sub-assembly together with the No. 1 cooler thermistor.
    4. Remove the 2 O-rings.
      Fig 19: Identifying No 1 Cooler Evaporator Sub-Assembly And Clamp
      G06015378Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. REMOVE NO. 1 COOLER THERMISTOR 
    1. Remove the No. 1 cooler thermistor from the No. 1 cooler evaporator sub-assembly.
      Fig 20: Identifying No 1 Cooler Thermistor
      G05390002Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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