Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM1000000019H5I
Model Year Start: 2019 Model: Avalon Prod Date Range: [04/2018 - 08/2020]
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: BRAKE ACTUATOR (for Gasoline Model): REMOVAL; 2019 - 2020 MY Avalon [04/2018 - 08/2020]

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 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 [04/2018 -        ]; PARK ASSIST / MONITORING: INTELLIGENT CLEARANCE SONAR SYSTEM (for Gasoline Model): CALIBRATION

Battery terminal is disconnected/reconnected

Perform steering sensor zero point calibration

Lane departure alert system (w/ Steering Control)

2019 - 2021 MY Avalon [04/2018 - 08/2021]; PRE-COLLISION: PRE-COLLISION SYSTEM (for Gasoline Model): INITIALIZATION

Pre-collision system

Intelligent Clearance Sonar System*

Lighting System (for Gasoline Model with Cornering Light)

Memorize steering angle neutral point

Parking assist monitor system

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

Panoramic View Monitor System

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

Replacement of brake actuator assembly

Perform system variant learning and acceleration sensor zero point calibration
  • VSC is disabled or malfunctions
  • DTCs are output
  • Slip indicator light illuminates
  • ABS warning light illuminates

2019 - 2021 MY Avalon [04/2018 - 08/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model): CALIBRATION

Operate the electric parking brake switch (electric parking brake switch assembly)

Parking brake indicator light blinks when the engine switch is first turned on (IG)

2019 - 2021 MY Avalon [04/2018 - 08/2021]; PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM (for Gasoline Model): PRECAUTION

PROCEDURE

1. PRECAUTION

NOTICE:

After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION

2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

Click here 2019 - 2021 MY Avalon [04/2018 - 08/2021]; MAINTENANCE: 2GR-FKS BATTERY: REMOVAL+

NOTICE:

When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

Click here 2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION

3. DRAIN BRAKE FLUID

NOTICE:

If brake fluid leaks onto any painted surface, immediately wash it off.

4. REMOVE FRONT WHEEL RH

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

5. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; WIPER / WASHER: FRONT WIPER MOTOR: REMOVAL

6. REMOVE FRONT CENTER UPPER SUSPENSION BRACE SUB-ASSEMBLY

(a) Disconnect the connector.

(b) Disengage the 2 clamps and separate the wire harness.

(c) Remove the 6 bolts, 4 nuts and front center upper suspension brace sub-assembly.

7. 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 Master Cylinder Sub-assembly

*b

From 2nd Chamber of Brake Master Cylinder Sub-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) Using a union nut wrench, disconnect the front No. 3 brake tube while holding the front flexible hose with a wrench.

NOTICE:

  • Do not kink or damage the front No. 3 brake tube.
  • Do not allow any foreign matter such as dirt or dust to enter the front No. 3 brake tube from the connecting parts.

(e) Disengage the clamp and separate the front No. 3 brake tube.

NOTICE:

Do not kink or damage the front No. 3 brake tube.

(f) Move aside the front No. 3 brake tube as shown in the illustration.

NOTICE:

Do not apply excessive force to the front No. 3 brake tube.

(g) Disengage the clamp and remove the brake tube clamp.

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

Protective Tape

(i) Remove the 2 bolts.

HINT:

Insert the tool from the bottom of the vehicle.

(j) Remove the nut and brake actuator with bracket.

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.

8. REMOVE BRAKE ACTUATOR ASSEMBLY

(a) Loosen the 2 nuts.

(b) Remove the bolt 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.

9. REMOVE NO. 1 BRAKE ACTUATOR CASE COLLAR

(a) Remove the No. 1 brake actuator case collar from the brake actuator bracket cushion.

10. REMOVE BRAKE ACTUATOR BOLT CUSHION

(a) Remove the brake actuator bolt cushion from the brake actuator bracket assembly.