AIR CONDITIONING UNIT REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during air conditioning unit removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced
Replaced Part or Performed Procedure Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link
Disconnect cable from negative auxiliary battery terminal Memorize steering angle neutral point Lane departure alert system (w/ Steering Control)

Click here

Intelligent clearance sonar system*1
Simple intelligent parking assist system*1
Pre-crash safety system
Adaptive high beam system
Parking assist monitor system

Click here

Initialize back door lock Power door lock control system

Click here


  • No. 1 air conditioning radiator damper servo sub-assembly

  • No. 2 air conditioning radiator damper servo sub-assembly

  • No. 3 air conditioning radiator damper servo sub-assembly

 Initialize servo motor (Air conditioning system) DTCs are stored

Click here

*1: When performing learning using the GTS.
Click here Click here

PROCEDURE


  1. PRECAUTION

    Note


    • Make sure to select face mode before disconnecting the cable from the negative (-) auxiliary battery terminal.

    • Make sure to perform initialization after replacing the air conditioning radiator damper servo sub-assembly. If initialization is not performed, the air conditioner unit assembly will not perform properly as the air conditioning amplifier assembly will not be able to recognize the position of the air conditioning radiator damper sub-assembly.

  2. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM

    for HFC-134a (R134a):

    Click here

    for HFO-1234yf (R1234yf):

    Click here

  3. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY

    Click here

  4. REMOVE NO. 1 HEATER AIR DUCT SPLASH SHIELD SEAL (for LHD)

    Click here

  5. REMOVE NO. 2 HEATER AIR DUCT SPLASH SHIELD SEAL (for RHD)

    Click here

  6. REMOVE WATER GUARD PLATE

    Click here

  7. REMOVE COWL BODY MOUNTING REINFORCEMENT LH

    Click here

  8. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY

    Click here

  9. DISCONNECT WATER PIPE AND HOSE SUB-ASSEMBLY A


    1. B006IP4

      Using pliers, grip the claws of the clip and slide the clip to disconnect the water pipe and hose sub-assembly A.

      Note


      • Do not apply excessive force to the water pipe and hose sub-assembly A.

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

  10. DISCONNECT INLET HEATER WATER HOSE A


    1. B006IJG

      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.

  11. DISCONNECT DISCHARGE TUBE SUB-ASSEMBLY


    1. B006IAD

      Remove the bolt and rotate the hook connector as shown in the illustration.

    2. B006IC9

      Disconnect the discharge tube sub-assembly.

    3. Remove the O-ring from the discharge tube sub-assembly.

      Note

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

  12. DISCONNECT NO. 2 DISCHARGE HOSE SUB-ASSEMBLY


    1. B006HI3

      Disconnect the No. 2 discharge hose sub-assembly.

    2. Remove the O-ring from the No. 2 discharge hose sub-assembly.

      Note

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

  13. DISCONNECT SUCTION TUBE SUB-ASSEMBLY


    1. B006I8N

      Remove the bolt and rotate the hook connector as shown in the illustration.

    2. B006I8M

      Disconnect the suction tube sub-assembly.

    3. Remove the O-ring from the suction tube sub-assembly.

      Note

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

  14. DISCONNECT DISCHARGE PIPE SUB-ASSEMBLY


    1. B006HON

      Disconnect the discharge pipe sub-assembly.

    2. Remove the O-ring from the discharge pipe sub-assembly.

      Note

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

  15. REMOVE FRONT SEAT ASSEMBLY LH

    for Manual Seat:

    Click here

    for Power Seat:

    Click here

  16. REMOVE FRONT SEAT ASSEMBLY RH

    Tech Tips

    Use the same procedure as for the LH side.

  17. REMOVE LOWER INSTRUMENT PANEL SUB-ASSEMBLY

    Click here

  18. REMOVE STEERING COLUMN ASSEMBLY

    Click here

  19. REMOVE SKID CONTROL BUZZER (w/ Toyota Safety Sense P)

    Click here

  20. REMOVE DRIVING SUPPORT ECU ASSEMBLY (w/ Toyota Safety Sense P)

    Click here

  21. REMOVE WINDSHIELD WIPER RELAY ASSEMBLY (w/ Rain Sensor)

    Click here

  22. REMOVE NO. 1 CLEARANCE WARNING BUZZER (w/ TOYOTA Parking Assist-sensor System)

    Click here

  23. REMOVE NO. 2 CLEARANCE WARNING BUZZER (w/ TOYOTA Parking Assist-sensor System)

    Click here

  24. REMOVE CLEARANCE WARNING ECU ASSEMBLY (w/ TOYOTA Parking Assist-sensor System)

    Click here

  25. REMOVE DOUBLE LOCK DOOR CONTROL RELAY ASSEMBLY (w/ Double Locking System)

    Click here

  26. REMOVE ECU INTEGRATION BOX RH (for LHD)

    Click here

  27. REMOVE ECU INTEGRATION BOX LH (for RHD)

    Click here

  28. REMOVE SHIFT LOCK CONTROL UNIT ASSEMBLY

    Click here

  29. REMOVE COOLER (ROOM TEMP. SENSOR) THERMISTOR


    1. B006IK6

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

  30. REMOVE FRONT NO. 1 CONSOLE BOX INSERT


    1. B006INBC01
      B006J86 Place Hand Here
      B006IFV Remove in this Direction

      Disengage the clip and claw as shown in the illustration.

    2. B006J3YC01
      B006IFV Remove in this Direction

      Disengage the guide to remove the front No. 1 console box insert as shown in the illustration.

  31. REMOVE FRONT NO. 2 CONSOLE BOX INSERT


    1. B006HYWC01
      B006J86 Place Hand Here
      B006IFV Remove in this Direction

      Disengage the clip and claw as shown in the illustration.

    2. B006HSTC01
      B006IFV Remove in this Direction

      Disengage the guide to remove the front No. 2 console box insert as shown in the illustration.

  32. REMOVE FRONT FLOOR CAUTION PLATE COVER


    1. B006I1AC01
      B006J86 Place Hand Here
      B006IFV Remove in this Direction (1)
      B006IV0 Remove in this Direction (2)

      Disengage the claw and guide as shown by the arrow (1), and then pull the front floor caution plate cover as shown by the arrow (2) in the illustration to remove it.

  33. REMOVE REAR NO. 3 AIR DUCT


    1. B006IRZ

      Remove the 2 front floor carpet clips.

    2. B006HNP

      Disengage the 2 guides and turn back the front floor carpet assembly as shown in the illustration.

    3. B006HVWC01
      B006IFV Remove in this Direction

      Disengage the 2 claws to remove the rear No. 3 air duct as shown in the illustration.

  34. REMOVE REAR NO. 2 AIR DUCT


    1. B006IXD

      Disengage the 2 claws and remove the rear No. 2 air duct.

  35. REMOVE REAR NO. 5 AIR DUCT


    1. B006HIM

      Remove the 2 front floor carpet clips.

    2. B006IAB

      Disengage the 2 guides and turn back the front floor carpet assembly as shown in the illustration.

    3. B006INFC01
      B006IFV Remove in this Direction

      Disengage the 2 claws to remove the rear No. 5 air duct as shown in the illustration.

  36. REMOVE REAR NO. 4 AIR DUCT


    1. B006HPC

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

  37. REMOVE REAR NO. 1 AIR DUCT


    1. B006ITL

      Disengage the 4 claws to remove the rear No. 1 air duct.

  38. REMOVE NO. 3 DASH PANEL INSULATOR PAD


    1. B006HMLC01
      *a Cut

      Cut each claw of the 2 clips and 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.

  39. REMOVE NO. 1 INSTRUMENT PANEL BRACE SUB-ASSEMBLY


    1. B006IOF

      Turn back the front floor mat as shown in the illustration.

    2. B006IXW

      Disengage each clamp.

    3. Remove the bolt and disconnect the earth wire.

    4. B006HGWC01
      B006IR6 Bolt
      B006IKP Screw
      B006IEN Nut

      Remove the bolt, screw, nut and No. 1 instrument panel brace sub-assembly.

  40. REMOVE NO. 2 INSTRUMENT PANEL BRACE SUB-ASSEMBLY


    1. B006HYD

      Turn back the front floor mat as shown in the illustration.

    2. B006J2K

      Disengage each clamp.

    3. B006IU5C01
      B006IR6 Bolt
      B006IKP Screw
      B006IEN Nut

      Remove the bolt, screw, nut and No. 2 instrument panel brace sub-assembly.

  41. REMOVE NO. 3 INSTRUMENT PANEL TO COWL BRACE SUB-ASSEMBLY


    1. for LHD:


      1. B006HHGC01
        B006IR6 Bolt
        B006IKP Nut

        Disengage the clamp and 2 claws to disconnect the DLC3 connector.

    2. Remove the bolt, nut and No. 3 instrument panel to cowl brace sub-assembly.

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

    Click here

  43. REMOVE LOWER DEFROSTER NOZZLE ASSEMBLY


    1. B006IRJ

      Disengage the 6 claws to remove the lower defroster nozzle assembly.

  44. REMOVE INSTRUMENT PANEL REINFORCEMENT ASSEMBLY WITH AIR CONDITIONER UNIT ASSEMBLY

    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. for LHD:


      1. Disconnect each connector.

        B006IXNC01
        *a Earth Wire *b Relay Block Assembly
        B006IR6 Connector B006IKP Bolt

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

      3. Remove the bolt and disconnect the relay block assembly.

      4. Disengage each clamp and disconnect the instrument panel wire.

    2. for RHD:


      1. Disconnect each connector.

        B006I0XC02
        *a Earth Wire *b Relay Block Assembly
        B006IR6 Connector B006IKP Bolt

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

      3. Remove the bolt and disconnect the relay block assembly.

      4. Disengage each clamp and disconnect the instrument panel wire.

    3. B006I9RC01
      *1 Cooler Unit Drain Hose Grommet

      Disconnect the drain cooler hose.

      Note

      If the cooler unit drain hose grommet is disconnected from the vehicle body while disconnecting the drain cooler hose, make sure to replace it with a new one. Failure to do so may cause water ingress.

    4. B006IUZ

      Remove the 2 bolts.

    5. Remove the 4 bolts (A) and bolt (B).

      B006I4XC01
      B006IR6 Bolt (A) B006IKP Bolt (B)
      B006IEN Bolt (C) B006ITP Nut

    6. Remove the bolt (C) and disconnect the parking brake pedal assembly.

    7. Remove the nut.

    8. Disconnect each connector.

      B006IUVC01
      B006IFV Remove in this Direction - -

    9. Remove the instrument panel reinforcement assembly with air conditioner unit assembly as shown in the illustration.

  45. REMOVE AIR CONDITIONER UNIT ASSEMBLY


    1. Remove the 3 bolts and air conditioner unit assembly from the instrument panel reinforcement assembly.

      B006J8B