Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001YN75
Model Year Start: 2022 Model: Avalon HV Prod Date Range: [08/2021 -           ]
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: BRAKE ACTUATOR (for HV Model): REMOVAL; 2022 MY Avalon HV [08/2021 -        ]

REMOVAL

CAUTION / NOTICE / HINT

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

Necessary Procedures 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.

Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: INTELLIGENT CLEARANCE SONAR SYSTEM (for HV Model): CALIBRATION

Auxiliary battery terminal is disconnected/reconnected

Perform steering sensor zero point calibration

Lane Tracing Assist System

2022 MY Avalon Avalon HV [08/2021 -        ]; PRE-COLLISION: PRE-COLLISION SYSTEM: INITIALIZATION

Pre-collision System

Intelligent Clearance Sonar System*

Lighting System (for HV Model with Cornering Light)

Memorize steering angle neutral point

Parking Assist Monitor System

2019 - 2022 MY Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM(for HV Model): INITIALIZATION

Panoramic View Monitor System

2019 - 2022 MY Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for HV Model): INITIALIZATION

Replacement of brake actuator assembly
  1. Bleed air
  2. Clear the data stored during previous linear solenoid valve offset learning, ABS holding solenoid valve learning, brake pedal stroke sensor assembly zero point calibration and system information memorization
  3. Perform linear solenoid valve offset learning, ABS holding solenoid valve learning, brake pedal stroke sensor assembly zero point calibration and system information memorization
  • DTCs are stored
  • ABS warning light illuminates
  • Brake warning light / yellow (minor malfunction) illuminates
  • Slip indicator light illuminates
  • VSC disabled or malfunctions

for Initialization: 2022 MY Avalon HV [08/2021 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): INITIALIZATION

for Calibration: 2022 MY Avalon HV [08/2021 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): CALIBRATION

Operate the electric parking brake switch

Electric Parking Brake System

2022 MY Avalon HV [08/2021 -        ]; PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM (for HV Model): PRECAUTION

NOTICE:

While the auxiliary battery is connected, even if the power switch is off, the brake control system activates when the brake pedal is depressed or any door courtesy switch turns on. Therefore, when servicing the brake system components, do not operate the brake pedal or open/close the doors while the auxiliary battery is connected.

PROCEDURE

1. REMOVE BRAKE BOOSTER PUMP ASSEMBLY

Click here 2022 MY Avalon HV [08/2021 -        ]; BRAKE SYSTEM (OTHER): BRAKE BOOSTER PUMP(for HV Model): REMOVAL

2. REMOVE FRONT WHEEL RH

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; MAINTENANCE: TIRE AND WHEEL: REMOVAL+

3. SEPARATE FRONT STABILIZER LINK ASSEMBLY RH

HINT:

Use the same procedure as for the LH side.

Click here 2022 MY Avalon Avalon HV [08/2021 -        ]; FRONT SUSPENSION: FRONT SHOCK ABSORBER: REMOVAL+

4. REMOVE BRAKE ACTUATOR WITH BRACKET

(a) Release the lock lever and disconnect the connector from the brake actuator assembly.

Release the lock lever

Disconnect the connector

NOTICE:

Be careful not to allow any brake fluid to enter the connector.

(b) Use tags or make a memo to identify the places to reconnect the brake lines.

*a

From 1st Chamber of Brake Booster with Master Cylinder Assembly

*b

From 2nd Chamber of Brake Booster with Master Cylinder Assembly

*c

To Front Wheel Cylinder Assembly RH

*d

To Rear Wheel Cylinder Assembly LH

*e

To Rear Wheel Cylinder Assembly RH

*f

To Front Wheel Cylinder Assembly LH

(c) Using a union nut wrench, disconnect the 6 brake lines from the brake actuator assembly.

NOTICE:

  • Do not kink or damage the brake lines.
  • Do not allow any foreign matter such as dirt or dust to enter the brake lines from the connecting parts.

(d) Apply protective tape to the vehicle body as shown in the illustration.

Protective Tape

(e) Remove the 2 bolts.

HINT:

Insert the tool from the bottom of the vehicle.

(f) Remove the nut.

(g) Remove the brake actuator with bracket as shown in the illustration.

NOTICE:

  • Do not kink or damage the brake lines.
  • Do not allow any foreign matter such as dirt or dust to enter the brake lines from the connecting parts.
  • Be careful not to allow any brake fluid to enter the connector.
  • Do not hold the brake actuator assembly by the connector.
  • Do not drop the brake actuator with bracket when carrying it.

HINT:

Remove the brake actuator with bracket while avoiding the brake lines.

5. REMOVE BRAKE ACTUATOR ASSEMBLY

(a) Remove the 3 bolts and brake actuator assembly from the brake actuator bracket assembly.

NOTICE:

  • Do not hold the brake actuator assembly by the connector.
  • Do not drop the brake actuator assembly when carrying it.

6. REMOVE BRAKE ACTUATOR BOLT CUSHION

(a) Remove the 3 brake actuator case collars from the brake actuator bolt cushions.

*1

Brake Actuator Case Collar

*2

Brake Actuator Bolt Cushion

(b) Remove the 3 brake actuator bolt cushions from the brake actuator bracket assembly.