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Home >> Toyota >> 2019 >> Sequoia SR5, 4WD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning System (Service Information) (2 Of 2) >> Front Air Conditioning Unit >> Removal [08/2015 - 08/2017] >> Procedure

Removal [08/2015 - 08/2017]: Procedure

  1. TABLE OF BOLT, SCREW AND NUT 

    Refer to:PROCEDURE - Step 1

  2. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM 

    See step  1

  3. PRECAUTION 
    NOTE:

    After turning the ignition switch off, waiting time may be required before disconnecting the cable from the battery terminal. Therefore, make sure to read the disconnecting the cable from the battery terminal notice before proceeding with work (Refer to:PRECAUTION [08/2015 - 08/2017] ).

  4. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    WARNING:

    Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

    NOTE:

    When disconnecting the cable some systems need to be initialized after the cable is reconnected (Refer to:INITIALIZATION [08/2015 - 08/2017] ).

  5. REMOVE NO. 1 ENGINE UNDER COVER 

    Refer to:PROCEDURE - Step 2

  6. DRAIN ENGINE COOLANT (for 3UR-FE) 

    Refer to:PROCEDURE - Step 2

  7. DRAIN ENGINE COOLANT (for 3UR-FBE) 

    Refer to:PROCEDURE - Step 2

  8. REMOVE COOLER REFRIGERANT LIQUID PIPE B 
    GTY226516Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the bolt, and slide the hook connector.
    2. Disconnect the suction pipe and liquid pipe.
      GTY565696Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Do not use a screwdriver or similar tool to disconnect the pipe.
      • Seal the openings of the disconnected parts using vinyl tape to prevent moisture and foreign matter from entering them.
    3. Remove the 2 O-rings from the suction pipe and liquid pipe.
  9. REMOVE HEATER WATER INLET HOSE A 
    GTY222910Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Using pliers, grip the claws of the clip and slide the clip to disconnect the water hose.
      NOTE:
      • Do not apply excessive force to the rear heater outlet water hose.
      • Prepare a drain pan or cloth in case the coolant leaks.
  10. REMOVE HEATER WATER OUTLET HOSE A 
    GTY222909Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Using pliers, grip the claws of the clip and slide the clip to disconnect the water hose.
      NOTE:
      • Do not apply excessive force to the rear heater inlet water hose.
      • Prepare a drain pan or cloth in case the coolant leaks.
  11. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH 

    Refer to:PROCEDURE - Step 1

  12. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH 

    Refer to:PROCEDURE - Step 2

  13. REMOVE FRONT FENDER TO COWL SIDE SEAL RH 

    Refer to:PROCEDURE - Step 3

  14. REMOVE FRONT FENDER TO COWL SIDE SEAL LH 

    Refer to:PROCEDURE - Step 4

  15. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY 

    Refer to:PROCEDURE - Step 5

  16. REMOVE FRONT WIPER MOTOR AND LINK ASSEMBLY 

    Refer to:PROCEDURE - Step 6

  17. REMOVE LOWER NO. 2 STEERING WHEEL COVER 

    Refer to:PROCEDURE - Step 4

  18. REMOVE LOWER NO. 3 STEERING WHEEL COVER 

    Refer to:PROCEDURE - Step 3

  19. REMOVE STEERING PAD 

    Refer to:PROCEDURE - Step 5

  20. REMOVE STEERING WHEEL ASSEMBLY 

    Refer to:PROCEDURE - Step 6

  21. REMOVE LOWER STEERING COLUMN COVER 

    Refer to:PROCEDURE - Step 8

  22. REMOVE UPPER STEERING COLUMN COVER 

    Refer to:PROCEDURE - Step 9

  23. REMOVE TURN SIGNAL SWITCH ASSEMBLY WITH SPIRAL CABLE SUB-ASSEMBLY 

    Refer to:PROCEDURE - Step 10

  24. REMOVE FRONT DOOR SCUFF PLATE LH 

    Refer to:PROCEDURE - Step 12

  25. REMOVE COWL SIDE TRIM BOARD LH 

    Refer to:PROCEDURE - Step 14

  26. REMOVE FRONT DOOR OPENING TRIM WEATHERSTRIP LH 

    Refer to:PROCEDURE - Step 16

  27. REMOVE FRONT PILLAR GARNISH LH 

    Refer to:PROCEDURE - Step 26

  28. REMOVE INSTRUMENT SIDE PANEL LH 

    Refer to:PROCEDURE - Step 15

  29. REMOVE HOOD LOCK CONTROL LEVER SUB-ASSEMBLY 

    Refer to:PROCEDURE - Step 3

  30. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY LH 

    Refer to:PROCEDURE - Step 17

  31. REMOVE LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY 

    Refer to:PROCEDURE - Step 7

  32. REMOVE SHIFT LEVER KNOB SUB-ASSEMBLY 

    Refer to:PROCEDURE - Step 8

  33. REMOVE UPPER CONSOLE PANEL SUB-ASSEMBLY 

    Refer to:PROCEDURE - Step 9

  34. REMOVE REAR CONSOLE BOX POCKET 

    Refer to:PROCEDURE - Step 11

  35. REMOVE REAR UPPER CONSOLE PANEL SUB-ASSEMBLY 

    Refer to:PROCEDURE - Step 10

  36. REMOVE CONSOLE BOX CARPET 

    Refer to:PROCEDURE - Step 12

  37. REMOVE REAR CONSOLE BOX ASSEMBLY 

    Refer to:PROCEDURE - Step 13

  38. REMOVE FRONT CONSOLE BOX 

    Refer to:PROCEDURE - Step 14

  39. REMOVE INSTRUMENT CLUSTER FINISH PANEL ASSEMBLY 

    Refer to:PROCEDURE - Step 26

  40. REMOVE COMBINATION METER ASSEMBLY 

    Refer to:PROCEDURE - Step 8

  41. REMOVE CENTER LOWER INSTRUMENT PANEL FINISH PANEL 

    Refer to:PROCEDURE - Step 28

  42. REMOVE INTEGRATION CONTROL AND PANEL ASSEMBLY 

    Refer to:PROCEDURE - Step 16

  43. REMOVE RADIO AND DISPLAY RECEIVER ASSEMBLY (w/o Navigation System) 

    Refer to:PROCEDURE - Step 12

  44. REMOVE NAVIGATION RECEIVER ASSEMBLY (w/ Navigation System) 

    Refer to:PROCEDURE - Step 12

  45. REMOVE INSTRUMENT SIDE PANEL RH 

    Refer to:PROCEDURE - Step 36

  46. REMOVE FRONT DOOR SCUFF PLATE RH 

    Refer to:PROCEDURE - Step 11

  47. REMOVE COWL SIDE TRIM BOARD RH 

    Refer to:PROCEDURE - Step 13

  48. REMOVE FRONT DOOR OPENING TRIM WEATHERSTRIP RH 

    Refer to:PROCEDURE - Step 15

  49. REMOVE FRONT PILLAR GARNISH RH 

    Refer to:PROCEDURE - Step 25

  50. REMOVE NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY 

    Refer to:PROCEDURE - Step 37

  51. REMOVE LOWER INSTRUMENT PANEL 

    Refer to:PROCEDURE - Step 38

  52. REMOVE LOWER NO. 2 INSTRUMENT PANEL AIRBAG ASSEMBLY 

    Refer to:PROCEDURE - Step 8

  53. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY RH 

    Refer to:PROCEDURE - Step 40

  54. REMOVE NO. 2 INSTRUMENT PANEL BOX DOOR SUB-ASSEMBLY 

    Refer to:PROCEDURE - Step 41

  55. REMOVE INSTRUMENT PANEL SPEAKER PANEL SUB-ASSEMBLY 

    Refer to:PROCEDURE - Step 42

  56. REMOVE FRONT NO. 2 SPEAKER ASSEMBLY LH 

    Refer to:PROCEDURE - Step 5

  57. REMOVE NO. 2 INSTRUMENT PANEL SPEAKER PANEL SUB-ASSEMBLY 

    Refer to:PROCEDURE - Step 44

  58. REMOVE FRONT NO. 2 SPEAKER ASSEMBLY RH 

    Refer to:PROCEDURE - Step 6

  59. REMOVE NO. 3 INSTRUMENT PANEL SPEAKER PANEL SUB-ASSEMBLY 

    Refer to:PROCEDURE - Step 46

  60. REMOVE FRONT NO. 4 SPEAKER ASSEMBLY (for 14 Speakers) 

    Refer to:PROCEDURE - Step 8

  61. REMOVE FRONT SEAT HEADREST ASSEMBLY (for LH Side) 
  62. REMOVE SEAT TRACK INNER COVER LH (for LH Side) 

    Refer to:PROCEDURE - Step 4

  63. REMOVE SEAT TRACK OUTER COVER LH (for LH Side) 

    Refer to:PROCEDURE - Step 5

  64. REMOVE FRONT LH SEAT ASSEMBLY (for LH Side) 

    Refer to:PROCEDURE - Step 6

  65. REMOVE FRONT SEAT HEADREST ASSEMBLY (for RH Side) 
  66. REMOVE SEAT TRACK INNER COVER RH (for RH Side) 

    Refer to:PROCEDURE - Step 3

  67. REMOVE SEAT TRACK OUTER COVER RH (for RH Side) 

    Refer to:PROCEDURE - Step 4

  68. REMOVE FRONT RH SEAT ASSEMBLY (for RH Side) 

    Refer to:PROCEDURE - Step 5

  69. REMOVE AUDIO AMPLIFIER COVER (for 14 Speakers) 

    Refer to:PROCEDURE - Step 4

  70. REMOVE STEREO COMPONENT AMPLIFIER ASSEMBLY (for 14 Speakers) 

    Refer to:PROCEDURE - Step 5

  71. REMOVE REAR NO. 3 AIR DUCT 
    GTY601854Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the clip.
    2. Detach the 4 claws and remove the air duct.
  72. REMOVE REAR NO. 4 AIR DUCT 
    GTY611581Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the clip.
    2. Detach the 4 claws and remove the air duct.
  73. REMOVE NO. 3 AIR DUCT SUB-ASSEMBLY 

    Refer to:PROCEDURE - Step 19

  74. SEPARATE STEERING INTERMEDIATE SHAFT ASSEMBLY 
    GTY606296Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Put matchmarks on the steering intermediate shaft and the steering column.
    2. Remove the bolt and separate the steering intermediate shaft from the steering column.
  75. REMOVE STEERING COLUMN ASSEMBLY (for Manual Tilt and Manual Telescopic Steering Column) 

    Refer to:PROCEDURE - Step 20

  76. REMOVE STEERING COLUMN ASSEMBLY (for Power Tilt and Power Telescopic Steering Column) 

    Refer to:PROCEDURE - Step 22

  77. REMOVE INSTRUMENT PANEL SUB-ASSEMBLY (for 14 Speakers) 

    Refer to:PROCEDURE - Step 55

  78. REMOVE INSTRUMENT PANEL SUB-ASSEMBLY (for 8 Speakers) 

    Refer to:PROCEDURE - Step 56

  79. DISCONNECT TRANSMISSION CONTROL CABLE ASSEMBLY 

    Refer to:PROCEDURE - Step 2

  80. REMOVE TRANSMISSION FLOOR SHIFT ASSEMBLY 

    Refer to:PROCEDURE - Step 3

  81. REMOVE REAR NO. 1 AIR DUCT 
    GTY558106Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Detach the 3 claws and remove the air duct.
  82. REMOVE REAR NO. 2 AIR DUCT 
    GTY558107Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Detach the 3 claws and remove the air duct.
  83. SEPARATE MAIN BODY ECU 
    GTY558109Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the connectors and clamp.
    2. Remove the bolt and nut and separate the main body ECU.
  84. REMOVE TURN SIGNAL FLASHER ASSEMBLY 
    GTY558108Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the connector.
    2. Remove the nut and the turn signal flasher.
  85. REMOVE NO. 1 ECU INTEGRATION BRACKET 
    GTY558118Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the connectors and clamp.
    2. Remove the bolt and nut and the ECU integration bracket.
  86. REMOVE INSTRUMENT PANEL REINFORCEMENT ASSEMBLY 
    1. Disconnect the connectors and clamps and separate the wire harness.
    2. Remove the bolt and disconnect the ground wire.
      GTY601857Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the instrument panel reinforcement.
      1. for Driver Side:

        Remove the 2 caps and 3 bolts.

      2. for Passenger Side:

        Using a T40 "TORX" socket, remove the 2 "TORX" bolts.

        HINT: 

        When removing the bolts, the collars may come off with the bolts.

      3. for Passenger Side:

        Using a 12 mm hexagon wrench, remove the 2 collars.

      4. Remove the 3 bolts, nut and instrument panel reinforcement.
        GTY577899Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Disconnect the connector and clamp and separate the wire harness.
      GTY558119Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  87. REMOVE FRONT AIR CONDITIONING UNIT 
    GTY558084Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the 3 bolts, 2 screws and the air conditioning unit.
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