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Air Conditioning Unit: Installation

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  1. INSTALL AIR CONDITIONING UNIT ASSEMBLY 
    1. Install the air conditioning unit to the instrument panel reinforcement with the 2 screws.

      HINT:

      Use repair screws (part No. 90159-70003) if the screws removed before cannot be tightened.

      Fig 1: Installing Air Conditioning Unit To Instrument Panel Reinforcement
      G04475176Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Attach the clamp to connect the junction connector.
    3. Install the bolt.
      Fig 2: Connecting Junction Connector
      G04475177Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Attach the 9 clamps to connect the instrument panel wire harness.
    5. Connect the 5 connectors.
  2. INSTALL INSTRUMENT PANEL REINFORCEMENT ASSEMBLY 
    1. Install the instrument panel reinforcement with the 7 bolts.
      Fig 3: Connecting Instrument Panel Wire Harness
      G04475178Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the 2 nuts to the air conditioning unit and temporarily tighten them.
      Fig 4: Installing Nuts To Air Conditioning Unit
      G04475179Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Connect each connector and install each clamp. Then connect the wire harness.
      Fig 5: Installing Clamp And Wire Harness
      G04475180Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL AIR CONDITIONING AMPLIFIER ASSEMBLY 
    1. Install the air conditioning amplifier (see AIR CONDITIONING AMPLIFIER  ).
  4. INSTALL STEERING COLUMN ASSEMBLY 
    1. Install the steering column (See INSTALLATION ).
  5. INSTALL NO. 1 INSTRUMENT PANEL BRACE SUBASSEMBLY 
    1. Install the instrument panel brace with the 2 bolts and nut.
    2. Attach the clamp to connect the harness.
      Fig 6: Installing Instrument Panel Brace
      G04475181Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. FULLY TIGHTEN AIR CONDITIONING UNIT ASSEMBLY 
    1. Fully tighten the air conditioning unit with the 2 nuts.
      NOTE: Tighten the nuts in the order indicated in the illustration.
  7. INSTALL NETWORK GATEWAY ECU 
  8. INSTALL ECM 
  9. INSTALL TRANSMISSION CONTROL ECU ASSEMBLY 
    Fig 7: Tightening Air Conditioning Unit
    G04475182Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. INSTALL DEFROSTER NOZZLE ASSEMBLY 
    1. Install the defroster nozzle and attach the 3 claws.
    2. Install the 2 clips.
      Fig 8: Installing Defroster Nozzle Assembly
      G04475183Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. INSTALL NO. 2 HEATER TO REGISTER DUCT 
  12. Fig 9: Installing No 2 Heater To Register Duct
    G04475184Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. INSTALL NO. 1 HEATER TO REGISTER DUCT 
    1. Install the duct with the No. 1 side defroster nozzle duct.
  14. INSTALL NO. 3 HEATER TO REGISTER DUCT 
    1. Install the clip and then the duct with the No. 2 side defroster nozzle duct.
  15. INSTALL NO. 3 AIR DUCT REAR 
    1. Attach the 10 claws to install the No. 3 air duct rear.
    2. Return the carpet to its original position.
  16. INSTALL INSTRUMENT PANEL SUB-ASSEMBLY LOWER 

    HINT:

    Refer to the installation procedures for the instrument panel lower (See INSTALLATION ).

  17. INSTALL INSTRUMENT PANEL SUB-ASSEMBLY WITH PASSENGER AIRBAG ASSEMBLY 

    HINT:

    Refer to the installation procedures for the instrument panel with the passenger airbag (see INSTALLATION ).

  18. CONNECT HEATER WATER HOSE A 
    1. Connect the heater water hose A and slide the clip.
  19. CONNECT HEATER WATER HOSE B 
    1. Connect the heater water hose B and slide the clip.
  20. CONNECT COOLER REFRIGERANT LIQUID PIPE E (TO COOLER UNIT) 
    1. Remove the attached vinyl tape from the pipe's disconnected part.
    2. Sufficiently apply compressor oil (ND-OIL 11) to 2 new O-rings and the pipe's connecting part.
      NOTE:
      • Do not use any compressor oil other than ND-OIL 11 (see page ).
      • If any compressor oil other than ND-OIL 11 is used, compressor motor insulation performance may decrease, resulting in a leakage of electric power.
        Fig 10: Connecting Heater Water Hoses
        G04475185Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install the O-rings to the pipe.
    4. Insert the pipe joint into the cooler unit fitting hole securely.
    5. Using the piping clamp, connect the cooler unit refrigerant liquid pipe E.
      NOTE: Ensure that the piping clamp is securely engaged.
  21. CONNECT SUCTION HOSE SUB-ASSEMBLY 

    HINT:

    Use the same procedures described for the cooler unit refrigerant liquid pipe E.

    Fig 11: Identifying Correct And Incorrect Installation Of Cooler Unit Refrigerant Liquid Pipe E
    G04475186Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  22. INSPECT LEAKAGE OF REFRIGERANT (See  REPLACEMENT   ) 
  23. ADD ENGINE COOLANT (See  ON-VEHICLE INSPECTION  ) 
  24. CHECK FOR ENGINE COOLANT LEAKS (See  ON-VEHICLE INSPECTION  ) 
  25. WARM UP COMPRESSOR (See  REPLACEMENT   ) 
  26. INSPECT LEAKAGE OF REFRIGERANT (See  REPLACEMENT   ) 
  27. PERFORM CALIBRATION 
    1. Perform calibration (see CALIBRATION ).