Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Removal

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Vehicle Interior / Heating / Air Conditioning / Air Conditioning Unit(for 2gr-fks) / Removal

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
*: When performing learning using the Techstream.

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Disconnect cable from negative battery terminal

Perform steering sensor zero point calibration

Lane Departure Alert System (w/ Steering Control)

Pre-collision System

Intelligent Clearance Sonar System*

Lighting System (for Gasoline Model with Cornering Light)

Memorize steering angle neutral point

Parking Assist Monitor System

Panoramic View Monitor System

Steering sensor

Steering angle zero point learning (Initialize intelligent clearance sonar system)
  • Intelligent Clearance Sonar System
  • Intuitive Parking Assist System

  • Steering angle zero point learning (Initialize parking assist monitor system)
  • Steering angle setting

Parking Assist Monitor System

for Initialization

for Calibration

Steering angle zero point learning (Initialize panoramic view monitor system)

Panoramic View Monitor System

for Initialization

for Calibration

Front passenger seat

Zero point calibration (Occupant classification system)
  • Occupant classification system
  • Passenger airbag ON/OFF indicator
  • Airbag system (Front passenger side)
  • Seat belt warning system (Front passenger)

CAUTION:

Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing.

Click here

PROCEDURE

1. PRECAUTION

NOTICE:

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

2. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM

Click here

3. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY

Click here

4. REMOVE FRONT CENTER UPPER SUSPENSION BRACE SUB-ASSEMBLY

Click here

5. DISCONNECT OUTLET HEATER WATER HOSE

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

NOTICE:

  • Do not apply excessive force to the outlet heater water hose.
  • Prepare a drain pan or cloth in case the coolant leaks.

6. DISCONNECT INLET HEATER WATER HOSE

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

NOTICE:

  • Do not apply excessive force to the inlet heater water hose.
  • Prepare a drain pan or cloth in case the coolant leaks.

7. DISCONNECT NO. 2 AIR CONDITIONING TUBE AND ACCESSORY ASSEMBLY

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

(b) Disconnect the No. 2 air conditioning tube and accessory assembly.

(c) Remove the 2 O-rings from the No. 2 air conditioning tube and accessory assembly.

NOTICE:

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

8. REMOVE FRONT SEAT ASSEMBLY LH

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9. REMOVE FRONT SEAT ASSEMBLY RH

HINT:

Use the same procedure as for the LH side.

10. REMOVE TRANSMISSION FLOOR SHIFT ASSEMBLY

Click here

11. REMOVE STEERING COLUMN ASSEMBLY

for Manual Tilt and Manual Telescopic Steering Column:

Click here

for Power Tilt and Power Telescopic Steering Column:

Click here

12. REMOVE INSTRUMENT PANEL SAFETY PAD SUB-ASSEMBLY

Click here

13. REMOVE ECU INTEGRATION BOX RH

Click here

14. REMOVE STEREO COMPONENT EQUALIZER ASSEMBLY (w/ Active Noise Control System)

Click here

15. REMOVE DCM (TELEMATICS TRANSCEIVER) WITH BRACKET

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16. REMOVE NO. 1 CLEARANCE WARNING BUZZER (w/ Intelligent Parking Assist System)

Click here

17. REMOVE DRIVING SUPPORT ECU ASSEMBLY

Click here

18. REMOVE COOLER (ROOM TEMP. SENSOR) THERMISTOR

Click here

19. REMOVE ACCELERATOR PEDAL PAD

Click here

20. REMOVE ACCELERATOR PEDAL

Click here

21. REMOVE REAR NO. 2 AIR DUCT

Click here

22. REMOVE REAR NO. 1 AIR DUCT

Click here

23. REMOVE REAR NO. 4 AIR DUCT

Click here

24. REMOVE REAR NO. 3 AIR DUCT

Click here

25. REMOVE FLOOR CARPET BRACKET RH

Click here

26. REMOVE FLOOR CARPET BRACKET LH

Click here

27. REMOVE NO. 1 CONSOLE BOX DUCT

Click here

28. REMOVE NO. 3 DASH PANEL INSULATOR PAD

Click here

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

(a) Remove the bolt and disconnect the earth wire.

*a

Earth Wire

(b) Disengage each clamp.

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

Bolt

Screw

Nut

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

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

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

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

NOTICE:

  • 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.

(a) Disconnect the connector.

*a

Earth Wire

*b

Connector Holder

Connector

Bolt

Nut

-

-

(b) Remove the 3 bolts and disconnect the 3 earth wires.

(c) Remove the 2 nuts and disconnect the connector holder.

(d) Disengage each clamp.

(e) Push down the part (A) in the direction indicated by the arrow (1), to release the lock, and then move the lock lever in the direction indicated by the arrow (2) shown in the illustration to disconnect the connector.

Release (1)

Move in this Direction (2)

NOTICE:

When disconnecting any airbag connector, take care not to damage the airbag wire harness.

(f) Disconnect the connector.

(g) Disengage each clamp to separate the instrument panel wire.

(h) Turn back the front floor mat as shown in the illustration.

(i) Disconnect the drain cooler hose.

NOTICE:

If the drain cooler hose is disconnected from the cooler unit drain hose grommet, make sure to replace the cooler unit drain hose grommet with a new one. Failure to do so may lead to water ingress.

*1

Cooler Unit Drain Hose Grommet

(j) Remove the cooler unit drain hose grommet.

(k) Remove the 2 hole plugs.

(l) Remove the 3 bolts.

(m) Remove the 4 bolts (A).

Bolt (A)

Bolt (B)

Nut

-

-

(n) Remove the bolt (B) and disconnect the brake pedal assembly.

(o) Remove the nut.

(p) Disengage each clamp.

Remove in this Direction

-

-

(q) Disconnect each connector.

(r) Remove the instrument panel reinforcement assembly with air conditioner unit assembly as shown in the illustration.

34. REMOVE AIR CONDITIONER UNIT ASSEMBLY

Click here

    Reassembly

    Ambient Temperature Sensor(for 2gr-fks)

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