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Air Conditioning Unit: Disassembly

  1. REMOVE TRANSPONDER KEY ECU  (See TRANSPONDER KEY ECU )
    Fig 1: Identifying Blower Assembly Screws
    G06037546Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. REMOVE NO. 2 HEATER CONTROL CABLE SUB-ASSEMBLY 
    1. Using a screwdriver with its tip taped, disengage the claw and remove the No. 2 heater control cable sub-assembly.
    Fig 2: Disengaging No. 2 Heater Control Cable Sub-Assembly Claw
    G06037547Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE AIR MIX DAMPER CONTROL CABLE SUB-ASSEMBLY 
    1. Using a screwdriver with its tip taped, disengage the claw and remove the air mix damper control cable sub-assembly.
    Fig 3: Disengaging Air Mix Damper Control Cable Sub-Assembly Claw
    G05389992Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE QUICK HEATER ASSEMBLY (w/ PTC Heater) 
    1. Disengage each clamp.
    2. Remove the 2 screws.
      Fig 4: Identifying Quick Heater Assembly Screws And Clamp
      G06015366Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the quick heater assembly as shown in the illustration.
    Fig 5: Removing Quick Heater Assembly
    G06015367Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE CONSOLE MOUNTING BRACKET RH 
    1. Disengage the 2 claws to remove the console mounting bracket RH.
    Fig 6: Identifying Console Mounting Bracket RH Claws
    G06015369Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE CONSOLE MOUNTING BRACKET LH 
    1. Remove the screw and the console mounting bracket LH.
    Fig 7: Locating Console Mounting Bracket LH Screw
    G06015370Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE DRAIN COOLER HOSE 
    1. Remove the drain cooler hose from the air conditioning radiator assembly.
    Fig 8: Identifying Drain Cooler Hose
    G06015373Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. 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 9: Identifying Heater Radiator Unit Sub-Assembly Screw And Clamp
    G05389997Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE COOLER EXPANSION VALVE 
    1. Using a 4 mm hexagon wrench, remove the 2 hexagon bolts and cooler expansion valve.
    Fig 10: Identifying Cooler Expansion Valve Bolts
    G06015375Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE NO. 1 COOLER EVAPORATOR SUB-ASSEMBLY 
    1. Remove the 4 screws.
      Fig 11: Locating No. 1 Cooler Evaporator Sub-Assembly Screws
      G05389999Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the 4 claws and remove the lower heater case.
      Fig 12: Identifying 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 from the No. 1 cooler evaporator sub-assembly.
    Fig 13: Identifying No. 1 Cooler Evaporator Sub-Assembly
    G06015378Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE NO. 1 COOLER THERMISTOR 
    1. Remove the No. 1 cooler thermistor from the No. 1 cooler evaporator sub-assembly.
    Fig 14: Identifying No. 1 Cooler Thermistor
    G05390002Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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