AIR CONDITIONING UNIT(for VALEO 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

Drive the vehicle until stop and start control is permitted (approximately 5 to 60 minutes)*2 Stop and start system

Click here


  • No. 1 Air Conditioning Radiator Damper Servo Sub-assembly

  • No. 2 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

*2: w/ Stop and start system

Tech Tips


  • Use the same procedure for RHD and LHD vehicles.

  • The procedure listed below is for LHD vehicles.

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. DRAIN ENGINE COOLANT (for 8NR-FTS)

    Click here

  4. DRAIN ENGINE COOLANT (for 3ZR-FAE)

    Click here

  5. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY

    Click here

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

    Click here

  7. REMOVE WATER GUARD PLATE LH

    Click here

  8. REMOVE COWL BODY MOUNTING REINFORCEMENT LH

    Click here

  9. REMOVE COWL BODY MOUNTING REINFORCEMENT RH

    Click here

  10. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY (for LHD)

    Click here

  11. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY (for RHD)

    Click here

  12. DISCONNECT OUTLET HEATER WATER HOSE


    1. A005QAM

      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.

  13. DISCONNECT INLET HEATER WATER HOSE


    1. A005OCS

      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.

  14. DISCONNECT SUCTION PIPE SUB-ASSEMBLY


    1. A005OTY

      Remove the bolt.

    2. A005Q62

      Disconnect the suction pipe sub-assembly and cooler refrigerant liquid pipe A shown in the illustration.

    3. Remove the 2 O-rings from the suction pipe sub-assembly and cooler refrigerant liquid pipe A.

      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

    Click here

  16. REMOVE FRONT SEAT ASSEMBLY RH

    Tech Tips

    Use the same procedure as for the LH side.

  17. REMOVE INSTRUMENT PANEL SAFETY PAD SUB-ASSEMBLY

    Click here

  18. REMOVE STEERING COLUMN ASSEMBLY

    Click here

  19. REMOVE WINDSHIELD WIPER RELAY ASSEMBLY

    Click here

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

    Click here

  21. REMOVE ECU INTEGRATION BOX RH (for LHD)

    Click here

  22. REMOVE ECU INTEGRATION BOX LH (for RHD)

    Click here

  23. 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).

  24. REMOVE NO. 3 DASH PANEL INSULATOR PAD


    1. A005OB1

      Remove the 2 front floor carpet clips.

    2. A005PEBC02
      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. A005Q8A

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

  25. REMOVE REAR NO. 6 AIR DUCT (w/ Rear Air Duct)


    1. A005OBQC01
      B00497S Remove in this Direction

      Disengage the claws to remove the rear No. 6 air duct as shown in the illustration.

  26. REMOVE REAR NO. 5 AIR DUCT (w/ Rear Air Duct)


    1. A005OUUC01
      B00497S Remove in this Direction

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

  27. REMOVE REAR NO. 4 AIR DUCT (w/ Rear Air Duct)


    1. A005PH7

      Remove the 2 front floor carpet clips.

    2. A005P3IC01
      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. A005PKKC01
      B00497S Remove in this Direction

      Disengage the claws to remove the rear No. 4 air duct as shown in the illustration.

  28. REMOVE REAR NO. 3 AIR DUCT (w/ Rear Air Duct)


    1. A005OW3C01
      B00497S Remove in this Direction

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

  29. REMOVE REAR NO. 2 AIR DUCT (w/ Rear Air Duct)


    1. A005P5KC01
      B00497S Remove in this Direction

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

  30. REMOVE REAR NO. 1 AIR DUCT (w/ Rear Air Duct)


    1. A005PRUC01
      B00497S Remove in this Direction

      Disengage the claws to remove the rear No. 1 air duct as shown in the illustration.

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


    1. w/ PTC Heater:


      1. A005PBP

        Remove the bolt to disconnect the ground wire.

    2. A005OOD

      Remove the 2 nuts and separate the relay block assembly.

    3. for LHD:


      1. A005Q0K

        Disengage the clamps to disconnect the wire harness.

      2. A005OOS

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

    4. for RHD:


      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.

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


    1. for LHD:


      1. A005OFK

        Remove the bolt to disconnect the ground wire.

      2. Disengage the clamps to disconnect the wire harness.

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

    2. for RHD:


      1. A005Q45

        Remove the bolt to disconnect the ground wire.

      2. Disengage the clamps to disconnect the wire harness.

      3. A005OJN

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

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


    1. A005OS5

      Disengage the clamp and claws.

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

  34. REMOVE DRAIN COOLER HOSE


    1. A005OBWC01
      *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.

  35. DISCONNECT INSTRUMENT PANEL WIRE


    1. for LHD:


      1. Disconnect each connector.

        A005OGIC01
        *a Clamp *b Hook
      2. Remove the bolt and screw.

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

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

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

    2. for RHD:


      1. Disconnect each connector.

        A005Q6EC01
        *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.

  36. 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. A005Q2T

      Remove the 2 bolts.

    2. Remove the 5 bolts.

      A005Q9C
    3. Remove the nut.

    4. A005OHJ

      Disengage the clamps.

    5. Disconnect 2 connectors.

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

      A005Q91C01
      B00497S Remove in this Direction - -
  37. REMOVE AIR CONDITIONER UNIT ASSEMBLY


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

      A005OIC
  38. REMOVE LOWER DEFROSTER NOZZLE ASSEMBLY


    1. A005PGR

      Disengage the claws to remove the lower defroster nozzle assembly.