AIR CONDITIONING UNIT(for DENSO Made) REMOVAL

Info Added 2017-10-06

CAUTION / NOTICE / HINT

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

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

Click here

Simple intelligent parking assist system*1
Toyota parking assist-sensor system (w/ Simple Intelligent Parking Assist System)*1
Pre-collision system
Initialize back door lock Power door lock control system

Click here


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

  • Air conditioning amplifier assembly

 Initialize servo motor (Air conditioning system) DTCs are stored

Click here

*1: When performing learning using the GTS.

Click here

PROCEDURE


  1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM

    Click here

  2. DRAIN ENGINE COOLANT

    Click here

  3. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY

    Click here

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

    Click here

  5. REMOVE WATER GUARD PLATE LH

    Click here

  6. REMOVE COWL BODY MOUNTING REINFORCEMENT LH

    Click here

  7. REMOVE COWL BODY MOUNTING REINFORCEMENT RH

    Click here

  8. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY

    Click here

  9. DISCONNECT OUTLET HEATER WATER HOSE


    1. A005PUP

      Slide the hose clip to disconnect the outlet heater water hose.

      Note


      • To prevent contamination by foreign matter or water droplets, protect the connecting portions of the outlet heater water hose and air conditioner radiator assembly with plastic bags.

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

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

  10. DISCONNECT INLET HEATER WATER HOSE


    1. A005PB6

      Slide the hose clip to disconnect the inlet heater water hose.

      Note


      • To prevent contamination by foreign matter or water droplets, protect the connecting portions of the inlet heater water hose and air conditioner radiator assembly with plastic bags.

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

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

  11. DISCONNECT SUCTION PIPE SUB-ASSEMBLY


    1. A005PMD

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

    2. A005PBQ

      Disconnect the suction pipe sub-assembly.

    3. Remove the O-ring from the suction pipe subassembly.

      Note

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

  12. DISCONNECT COOLER REFRIGERANT LIQUID PIPE A


    1. A005Q3O

      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.

  13. REMOVE FRONT SEAT ASSEMBLY LH

    Click here

  14. REMOVE FRONT SEAT ASSEMBLY RH

    Tech Tips

    Use the same procedure as for the LH side.

  15. REMOVE INSTRUMENT PANEL SAFETY PAD SUB-ASSEMBLY

    Click here

  16. REMOVE STEERING COLUMN ASSEMBLY

    Click here

  17. REMOVE WINDSHIELD WIPER RELAY ASSEMBLY

    Click here

  18. REMOVE CLEARANCE WARNING ECU ASSEMBLY (w/ Clearance Sonar System)

    Click here

  19. REMOVE ECU INTEGRATION BOX LH

    Click here

  20. REMOVE COOLER THERMISTOR (ROOM TEMPERATURE SENSOR)


    1. A005P8E

      Disconnect the connector and air conditioning duct sub-assembly to remove the cooler thermistor (room temperature sensor).

  21. REMOVE NO. 3 DASH PANEL INSULATOR PAD


    1. A005PH7

      Remove the 2 front floor carpet clips.

    2. A005OYWC01
      B00497S Remove in this Direction

      Remove the clip.

    3. Disengage the clamps to turn back the front floor carpet assembly as shown in the illustration.

    4. A005QBX

      Disengage the clips to remove the No. 3 dash panel insulator pad.

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


    1. A005OOD

      Remove the 2 nuts and separate the relay block assembly.

    2. A005Q45

      Remove the bolt to disconnect the ground wire.

    3. Disengage the clamps to disconnect the wire harness.

    4. A005OJN

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

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


    1. A005OXY

      Disengage the clamps to disconnect the wire harness.

    2. A005OCZ

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

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


    1. A005OG0

      Disengage the claws and clamp.

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

  25. DISCONNECT INSTRUMENT PANEL WIRE


    1. Disconnect each connector.

      A005OM4C01
      *a Clamp *b Hook

    2. Remove the bolt and screw.

    3. Remove the 4 bolts to disconnect the 4 ground wires.

    4. Remove the 2 nuts A.

    5. Remove the bolt and nut to separate the instrument panel junction block assembly with main body ECU.

    6. Disengage clamps and hook to disconnect the instrument panel wire.

  26. DISCONNECT DRAIN COOLER HOSE


    1. A005P46C03
      *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.

  27. 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. A005P5G

      Remove the 2 bolts.

    2. Remove the 5 bolts.

      A005PTW

    3. Remove the nut.

    4. A005OHJ

      Disengage the clamps.

    5. Disconnect the 2 connectors.

    6. Disengage the guides to remove the instrument panel reinforcement assembly with air conditioner unit assembly as shown in the illustration.

      A005ODYC01
      B00497S Remove in this Direction - -

  28. REMOVE AIR CONDITIONER UNIT ASSEMBLY


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

      A005P3E

  29. REMOVE LOWER DEFROSTER NOZZLE ASSEMBLY


    1. A005OY2

      Disengage the claws to remove the lower defroster nozzle assembly.