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Home >> Toyota >> 2022 >> Corolla Cross L, AWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating / Air Conditioning System - Service Information (1 Of 2) >> Air Conditioning Unit >> Removal [11/2022 - ] >> Procedure

Removal [11/2022 - ]: Procedure

  1. PRECAUTION 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    NOTE:

    Make sure to select face mode before disconnecting the cable from the negative (-) auxiliary battery terminal.
  2. DRAIN ENGINE COOLANT 
  3. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM 

    See step  1

  4. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY 

    Refer to REMOVAL [09/2021 - ]

  5. REMOVE NO. 1 HEATER AIR DUCT SPLASH SHIELD SEAL 

    Refer to PROCEDURE - Step 3

  6. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 4

  7. DISCONNECT OUTLET HEATER WATER HOSE (for Gasoline Model) 
    1. GTY1028453Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. DISCONNECT INLET HEATER WATER HOSE (for Gasoline Model) 
    1. GTY1028454Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. DISCONNECT WATER HOSE SUB-ASSEMBLY (for HEV Model) 
    1. GTY1119753Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. DISCONNECT SUCTION PIPE SUB-ASSEMBLY (for Gasoline Model) 
    1. GTY1028951Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hook Connector - -
      1. Remove the bolt and rotate the hook connector as shown in the illustration.
      2. Disconnect the suction pipe sub-assembly.
      3. Remove the O-ring from the suction pipe sub-assembly.
        NOTE:

        Seal the openings of the disconnected parts using vinyl tape to prevent entry of moisture and foreign matter.

  11. DISCONNECT AIR CONDITIONING TUBE AND ACCESSORY ASSEMBLY (for Gasoline Model) 
    1. GTY1028525Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disconnect the air conditioning tube and accessory assembly.
      2. Remove the O-ring from the air conditioning tube and accessory assembly.
        NOTE:

        Seal the openings of the disconnected parts using vinyl tape to prevent entry of moisture and foreign matter.

  12. DISCONNECT NO. 2 AIR CONDITIONING TUBE AND ACCESSORY ASSEMBLY (for HEV Model) 
    1. GTY1122194Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hook Connector - -
      1. Remove the bolt and rotate the hook connector as shown in the illustration.
      2. Disconnect the No. 2 air conditioning tube and accessory assembly.
      3. Remove the 2 O-rings from the No. 2 air conditioning tube and accessory assembly.
        NOTE:

        Seal the openings of the disconnected parts using vinyl tape to prevent entry of moisture and foreign matter.

  13. REMOVE FRONT SEAT ASSEMBLY LH 
  14. REMOVE FRONT SEAT ASSEMBLY RH 
    1. Use the same procedure as for the LH side.
  15. REMOVE NO. 1 AIR DUCT 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    NOTE:

    Be careful not to deform or damage the lower heater case of the air conditioner unit assembly when removing the No. 1 air duct.
    1. GTY1028420Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a View A *b Front
  16. REMOVE STEERING COLUMN ASSEMBLY 

    Refer to REMOVAL [11/2022 - ]

  17. REMOVE INSTRUMENT PANEL SAFETY PAD ASSEMBLY 

    Refer to REMOVAL [11/2022 - ]

  18. REMOVE CLEARANCE WARNING ECU ASSEMBLY (w/ Parking Support Brake System) 

    Refer to PROCEDURE - Step 2

  19. REMOVE CONNECTOR HOLDER 

    Refer to PROCEDURE - Step 18

  20. REMOVE COOLER THERMISTOR (ROOM TEMPERATURE SENSOR) (for Automatic Air Conditioning System) 
    1. GTY1028961Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. REMOVE NO. 3 CONSOLE BOX DUCT 
    1. GTY1028490Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  22. REMOVE NO. 2 CONSOLE BOX DUCT 
    1. GTY1028328Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Remove in this Direction (1) Remove in this Direction (2)
  23. REMOVE NO. 1 CONSOLE BOX DUCT 
    1. GTY1028964Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  24. REMOVE CENTER HEATER TO REGISTER DUCT SUB-ASSEMBLY 
    1. GTY1028474Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  25. REMOVE LOWER DEFROSTER NOZZLE ASSEMBLY 
    1. GTY1028472Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  26. REMOVE NO. 3 INSTRUMENT PANEL TO COWL BRACE SUB-ASSEMBLY 
    1. GTY1028965Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  27. REMOVE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY WITH MAIN BODY ECU 

    Refer to PROCEDURE - Step 12

  28. REMOVE FUEL LID LOCK OPEN LEVER SUB-ASSEMBLY (for Cold Area Specification Vehicles) 

    Refer to PROCEDURE - Step 10

  29. REMOVE NO. 3 REAR AIR DUCT (for Cold Area Specification Vehicles) 
    1. GTY1029011Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  30. REMOVE NO. 5 REAR AIR DUCT (for Cold Area Specification Vehicles) 
    1. GTY1028695Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  31. SEPARATE FRONT FLOOR CARPET ASSEMBLY (for Cold Area Specification Vehicles) 
    1. GTY1028696Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  32. REMOVE NO. 2 REAR AIR DUCT (for Cold Area Specification Vehicles) 
    1. GTY1028698Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  33. REMOVE NO. 4 REAR AIR DUCT (for Cold Area Specification Vehicles) 
    1. GTY1028701Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  34. REMOVE NO. 1 REAR AIR DUCT (for Cold Area Specification Vehicles) 
    1. GTY1029013Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  35. DISCONNECT FRONT FLOOR CARPET ASSEMBLY (except Cold Area Specification Vehicles) 
    1. GTY1028471Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  36. REMOVE NO. 3 DASH PANEL INSULATOR PAD 
    1. GTY1028672Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Cut - -
      1. Cut each claw of the 2 clips to remove the No. 3 dash panel insulator pad.
        NOTE:

        If the No. 3 dash panel insulator pad is damaged, replace it with a new one.

      2. Remove the 2 clips.
  37. DISCONNECT DRAIN COOLER HOSE 
    1. GTY1028876Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Cooler Unit Drain Hose Grommet - -
      1. Turn back the front floor mat as shown in the illustration.
      2. Disconnect the drain cooler hose.
        NOTE:

        If the drain cooler hose is disconnected from the cooler unit drain hose grommet, make sure to replace the cooler unit drain hose grommet with a new one. Failure to do so may lead to water ingress.

      3. Remove the cooler unit drain hose grommet.
  38. REMOVE TELEPHONE TRANSCEIVER WITH BRACKET (w/ Telematics Transceiver) 

    Refer to PROCEDURE - Step 3

  39. REMOVE NO. 1 INSTRUMENT PANEL BRACE SUB-ASSEMBLY 
    1. GTY1028410Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A except Cold Area Specification Vehicles - -
      *a Clamp *b Guide
      Move in this Direction - -
  40. REMOVE NO. 2 INSTRUMENT PANEL BRACE SUB-ASSEMBLY 
    1. GTY1028446Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Move in this Direction - -
  41. DISCONNECT INSTRUMENT PANEL WIRE 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    NOTE:

    When disconnecting any airbag connector, take care not to damage the airbag wire harness.

    HINT: 

    The illustrations are representative examples, and details may differ.

    1. GTY1028651Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Lock lever - -
      Push down Release
      1. Disengage the clamps.
      2. Push down the part (A) to release the lock lever.
      3. Raise the lock lever to disconnect the connector.
    2. GTY1028730Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Clamp *b Guide
      1. Remove the 3 bolts.
      2. Disengage the clamps and guides to disconnect the instrument panel wire.
  42. REMOVE INSTRUMENT PANEL REINFORCEMENT ASSEMBLY WITH AIR CONDITIONER UNIT ASSEMBLY 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    NOTE:
    • Be sure to support the air conditioner unit assembly when removing it. Failure to do so may cause the bracket of the air conditioner unit assembly to break.
    • When disassembling the air conditioner unit assembly, eliminate static electricity by touching the vehicle body to prevent the components from being damaged.
    1. GTY1028563Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Remove in this Direction - -
  43. REMOVE AIR CONDITIONER UNIT ASSEMBLY 
    1. GTY1028496Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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