Toyota Avalon (XX50): Blower Unit

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Vehicle Interior / Heating / Air Conditioning / Blower Unit

Components

COMPONENTS

ILLUSTRATION

*A

w/ PTC Heater

-

-

*1

AIR FILTER COVER PLATE

*2

BLOWER ASSEMBLY

*3

BLOWER MOTOR WITH FAN SUB-ASSEMBLY

*4

CLEAN AIR FILTER

*5

NO. 1 BLOWER DAMPER SERVO SUB-ASSEMBLY

*6

NO. 2 AIR DUCT

*7

NO. 2 INSTRUMENT PANEL WIRE

*8

AIR FILTER CASE

*9

AIR FILTER SUB-ASSEMBLY

-

-

в—Џ

Non-reusable part

-

-

Disassembly

DISASSEMBLY

PROCEDURE

1. REMOVE AIR FILTER COVER PLATE

(a) Disengage the claw and 2 guides as shown in the illustration to remove the air filter cover plate.

Remove in this Direction (1)

Remove in this Direction (2)

2. REMOVE CLEAN AIR FILTER

(a) Remove the air filter sub-assembly as shown in the illustration.

Remove in this Direction

(b) Disengage the 4 guides to remove the clean air filter from the air filter case.

3. REMOVE BLOWER MOTOR WITH FAN SUB-ASSEMBLY

(a) Remove the 3 screws and blower motor with fan sub-assembly.

4. REMOVE NO. 1 BLOWER DAMPER SERVO SUB-ASSEMBLY

(a) Remove the 2 screws and No. 1 blower damper servo sub-assembly.

Installation

INSTALLATION

PROCEDURE

1. INSTALL BLOWER ASSEMBLY

(a) Engage the 2 guides and 2 claws.

(b) Install the blower assembly to the air conditioning radiator assembly with the 2 screws.

(c) Engage each guide.

(d) Connect the connector.

2. INSTALL NO. 2 AIR DUCT

Click here

3. INSTALL NO. 2 INSTRUMENT PANEL WIRE (w/ PTC Heater)

Click here

4. INSTALL AIR CONDITIONER UNIT ASSEMBLY

for A25A-FXS:

Click here

for 2GR-FKS:

Click here

Reassembly

REASSEMBLY

PROCEDURE

1. INSTALL NO. 1 BLOWER DAMPER SERVO SUB-ASSEMBLY

(a) Connect the 2 links of the blower assembly to the 2 grooves on the plate of the No. 1 blower damper servo sub-assembly as shown in the illustration.

*a

Link

(b) Install the No. 1 blower damper servo sub-assembly with the 2 screws.

2. INSTALL BLOWER MOTOR WITH FAN SUB-ASSEMBLY

(a) Install the blower motor with fan sub-assembly with the 3 screws.

NOTICE:

Replace the blower motor with fan sub-assembly if it has been dropped or subjected to a severe impact.

3. INSTALL CLEAN AIR FILTER

(a) Engage the 2 guides on the cutout side of the air filter case and then engage the 2 guides as shown in the illustration to install the clean air filter.

*a

Cutout

*b

Rib

Install in this Direction (1)

Install in this Direction (2)

NOTICE:

  • Make sure that the "UP" marks are facing the correct direction before installing the clean air filter.
  • Make sure that there is no clearance between the clean air filter and air filter case and that the clean air filter is not deformed.

(b) Install the air filter sub-assembly as shown in the illustration.

Install in this Direction

NOTICE:

Make sure that the "UP" mark is facing the correct direction before installing the air filter sub-assembly.

4. INSTALL AIR FILTER COVER PLATE

(a) Engage the 2 guides and claw as shown in the illustration to install the air filter cover plate.

Install in this Direction (1)

Install in this Direction (2)

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 blower unit removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced (for Gasoline Model)

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

*: When performing learning using the Techstream.

Click here

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 neutral point (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

HINT:

Before removing the blower assembly, set the air conditioning to recirculation mode.

Necessary Procedure After Parts Removed/Installed/Replaced (for HV Model)

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function When Necessary Procedures are not Performed

Link

*: When performing learning using the Techstream.

Click here

Disconnect cable from negative auxiliary 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 HV 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

HINT:

Before removing the blower assembly, set the air conditioning to recirculation mode.

PROCEDURE

1. REMOVE AIR CONDITIONER UNIT ASSEMBLY

for A25A-FXS:

Click here

for 2GR-FKS:

Click here

2. REMOVE NO. 2 INSTRUMENT PANEL WIRE (w/ PTC Heater)

Click here

3. REMOVE NO. 2 AIR DUCT

Click here

4. REMOVE BLOWER ASSEMBLY

(a) Disconnect the connector.

(b) Disengage each guide.

(c) Remove the 2 screws.

(d) Disengage the 2 claws and 2 guides and remove the blower assembly from the air conditioning radiator assembly.

Ambient Temperature Sensor(for A25a-fxs)

Compressor(for 2gr-fks)

See More:

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

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