AIR CONDITIONING UNIT REMOVAL

CAUTION / NOTICE / HINT

Tech Tips

If the air conditioning radiator damper servo sub-assembly is to be removed and installed or replaced, make sure to set the temperature setting to MAX COLD before turning the power switch off and disconnecting the cable from the negative (-) auxiliary battery terminal.

PROCEDURE


  1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM (for HFC-134a(R134a))

    Click here

  2. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM (for HFO-1234yf(R1234yf))

    Click here

  3. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY

    Click here

  4. DISCONNECT OUTLET HEATER WATER HOSE A


    1. B003Y28

      Using pliers, grip the claws of the clip and slide the clip to disconnect the outlet heater water hose A.

      Note


      • Do not apply excessive force to the outlet heater water hose A.

      • Prepare a drain pan or cloth in case the coolant leaks.

  5. DISCONNECT INLET HEATER WATER HOSE A


    1. B003XXP

      Using pliers, grip the claws of the clip and slide the clip to disconnect the inlet heater water hose A.

      Note


      • Do not apply excessive force to the inlet heater water hose A.

      • Prepare a drain pan or cloth in case the coolant leaks.

  6. DISCONNECT SUCTION PIPE SUB-ASSEMBLY


    1. B003Y50

      Remove the bolt and rotate the hook connector.

    2. B003XQS

      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.

  7. DISCONNECT COOLER REFRIGERANT LIQUID PIPE A


    1. B003XNU

      Disconnect the cooler refrigerant liquid pipe A.

    2. Remove the O-ring from the cooler refrigerant liquid pipe A.

      Note

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

  8. REMOVE FRONT SEAT ASSEMBLY LH (for Manual Seat)

    Click here

  9. REMOVE FRONT SEAT ASSEMBLY LH (for Power Seat)

    Click here

  10. REMOVE FRONT SEAT ASSEMBLY RH (for Manual Seat)

    Tech Tips

    Use the same procedure as for the LH side.

  11. REMOVE FRONT SEAT ASSEMBLY RH (for Power Seat)

    Tech Tips

    Use the same procedure as for the LH side.

  12. REMOVE INSTRUMENT PANEL SAFETY PAD SUB-ASSEMBLY

    Click here

  13. REMOVE STEERING COLUMN ASSEMBLY

    Click here

  14. REMOVE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY WITH MAIN BODY ECU

    for LHD:

    Click here

    for RHD:

    Click here

  15. REMOVE CLEARANCE WARNING ECU ASSEMBLY (w/ LEXUS Parking Assist-sensor System)

    for LHD:

    Click here

    for RHD:

    Click here

  16. REMOVE DRIVING SUPPORT ECU ASSEMBLY (w/ Dynamic Radar Cruise Control System)

    for LHD:

    Click here

    for RHD:

    Click here

  17. REMOVE NO. 2 AIR DUCT SUB-ASSEMBLY


    1. B003YR5

      Remove the screw and No. 2 air duct sub-assembly.

  18. REMOVE ECU INTEGRATION BOX RH WITH HYBRID VEHICLE CONTROL ECU ASSEMBLY (for LHD)

    Click here

  19. REMOVE HYBRID VEHICLE CONTROL ECU ASSEMBLY (for RHD)

    Click here

  20. REMOVE STEREO COMPONENT EQUALIZER ASSEMBLY (for LHD)

    Click here

  21. REMOVE NETWORK GATEWAY ECU (w/ Network Gateway ECU)

    Click here

  22. REMOVE BRAKE CONTROL POWER SUPPLY ASSEMBLY

    for LHD:

    Click here

    for RHD:

    Click here

  23. REMOVE AIR CONDITIONING AMPLIFIER ASSEMBLY

    Click here

  24. REMOVE COOLER (ROOM TEMP. SENSOR) THERMISTOR


    1. B003XNX

      Disconnect the connector and air hose to remove the cooler (room temp. sensor) thermistor.

  25. REMOVE ACCELERATOR PEDAL PAD


    1. B003YIC

      Disengage the 2 claws to remove the accelerator pedal pad.

  26. REMOVE ACCELERATOR PEDAL ASSEMBLY


    1. B003YLZ

      Remove the 2 bolts.

    2. Remove the accelerator pedal assembly from the rod of the accelerator pedal sensor assembly.

  27. REMOVE FLOOR CARPET HOOK


    1. B003XTCC01
      *A for LH Side
      *B for RH Side

      Disengage the 4 clamps and disconnect the wire harness.

    2. B003XS1C01
      *A for LH Side
      *B for RH Side

      Disengage the 4 clamps to remove the 4 floor carpet hooks.

  28. REMOVE REAR NO. 2 AIR DUCT


    1. Using a clip remover, remove the clip.

      B003Y2YC01
      *a Guide *b Clamp
      B003YLR Fastener - -

    2. Disengage the guide and clamp.

    3. Disengage each fastener and turn back the front floor mat as shown in the illustration.

    4. B003Y3N

      Disengage the 4 claws to remove the rear No. 2 air duct.

  29. REMOVE FRONT FLOOR SILENCER PAD LH


    1. B003YNY

      Remove the front floor silencer pad LH.

  30. REMOVE REAR NO. 1 AIR DUCT


    1. B003XV8

      Remove the rear No. 1 air duct.

  31. REMOVE REAR NO. 4 AIR DUCT


    1. Disengage the guide and clamp.

      B003XO2C01
      *a Guide *b Clamp
      B003YLR Fastener - -

    2. Disengage the fastener and turn back the front floor mat as shown in the illustration.

    3. B003XQF

      Disengage the 4 claws to remove the rear No. 4 air duct.

  32. REMOVE FRONT FLOOR SILENCER PAD RH


    1. B003Y5R

      Remove the front floor silencer pad RH.

  33. REMOVE REAR NO. 3 AIR DUCT


    1. B003YH3

      Remove the rear No. 3 air duct.

  34. REMOVE NO. 1 CONSOLE BOX DUCT


    1. B003YMC

      Disengage the 2 clamps.

    2. Remove the 2 clips and No. 1 console box duct.

  35. REMOVE NO. 2 INSTRUMENT PANEL TO FLOOR BRACE


    1. B003XQD

      Remove the 3 bolts.

    2. Disengage the 2 guides to remove the No. 2 instrument panel to floor brace.

  36. REMOVE INSTRUMENT PANEL SAFETY PAD CAP


    1. B003Y2LC01
      *A for LH Side
      *B for RH Side
      *1 Instrument Panel Safety Pad Cap (A)
      *2 Instrument Panel Safety Pad Cap (B)
      B003YLR Protective Tape

      Put protective tape around the 6 instrument panel safety pad caps.

    2. Using a screwdriver, remove the 4 instrument panel safety pad caps (A) and 2 instrument panel safety pad caps (B).

  37. REMOVE INSTRUMENT PANEL REINFORCEMENT ASSEMBLY WITH AIR CONDITIONING UNIT

    Note


    • Be sure to support the air conditioning unit assembly when removing it because failure to do so may cause the bracket of the air conditioning unit assembly to break.

    • When disassembling the air conditioning unit assembly, eliminate static electricity by touching the vehicle body to prevent the components from being damaged.


    1. Remove the 3 bolts and disconnect the 3 earth wires.

      B003Y6WC01
      *a Earth Wire *b Bracket

    2. Remove the bolt and disconnect the bracket.

    3. Disconnect each connector.

    4. Disengage each clamp.

    5. B003XZI

      Remove the 3 hole plugs.

    6. B003YS8

      Remove the 3 bolts.

    7. Remove the nut and 8 bolts as shown in the illustration.

      B003Y6FC01
      *1 Instrument Panel Reinforcement Assembly - -
      *a Movable Collar *b Vehicle Body
      *c Step 1 *d Step 2
      *e Step 3 *f Step 4
      B003XUN Nut B003YHT Bolt

    8. Disengage the 3 guides and remove the instrument panel reinforcement assembly with air conditioning unit as shown in the illustration.

      B003Y6Q

  38. REMOVE AIR CONDITIONING UNIT ASSEMBLY


    1. Remove the 2 screws, 3 bolts and air conditioning unit assembly from the instrument panel reinforcement assembly.

      B003Y3BC01
      B003XUN Screw B003YHT Bolt