Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001HYHN
Model Year Start: 2020 Model: GR Corolla Prod Date Range: [03/2019 - 09/2022]
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: BRAKE ACTUATOR (for Gasoline Model): REMOVAL; 2020 - 2022 MY Corolla Corolla Hatchback GR Corolla [03/2019 - 09/2022]

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
*1: for Hatchback

Battery terminal is disconnected/reconnected

Perform steering sensor zero point calibration

Lane Control System

2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; PRE-COLLISION: PRE-COLLISION SYSTEM (for Gasoline Model): INITIALIZATION

Pre-collision System

Lighting System (w/ AFS)(EXT)

Initialize back door lock*1

Power Door Lock Control System (for Hatchback)

2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM (for Hatchback, Gasoline Model): INITIALIZATION

Replacement of brake actuator assembly

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

w/ Electric Parking Brake System: 2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model with Electric Parking Brake System): UTILITY

w/o Electric Parking Brake System: 2020 - 2022 MY Corolla Corolla Hatchback GR Corolla [03/2019 - 09/2022]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model without Electric Parking Brake System): UTILITY

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

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

2020 - 2022 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 09/2022]; PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM (for Gasoline Model): PRECAUTION

NOTICE:

After the ignition switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the ignition switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Navigation System and Audio and Visual System)

PROCEDURE

1. PRECAUTION

NOTICE:

After turning the ignition 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.

2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

for M20A-FKS: Click here 2020 - 2022 MY Corolla Corolla Hatchback [03/2019 - 09/2022]; MAINTENANCE: M20A-FKS BATTERY: REMOVAL

for 2ZR-FAE: Click here 2020 - 2022 MY Corolla [03/2019 - 09/2022]; MAINTENANCE: 2ZR-FAE BATTERY: REMOVAL

3. DRAIN BRAKE FLUID

NOTICE:

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

4. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY

Click here 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 09/2019]; WIPER / WASHER: FRONT WIPER MOTOR: REMOVAL 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2019 - 09/2022]; WIPER / WASHER: FRONT WIPER MOTOR: REMOVAL

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

Click here 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV [01/2019 - 09/2022]; FRONT SUSPENSION: FRONT SHOCK ABSORBER (except G16E-GTS): REMOVAL+

6. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY

Click here 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV [01/2019 - 09/2022]; FRONT SUSPENSION: FRONT SHOCK ABSORBER (except G16E-GTS): REMOVAL+

7. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY (for M20A-FKS)

Click here 2020 MY Corolla Corolla Hatchback [03/2019 - 09/2019]; M20A-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+ 2020 - 2021 MY Corolla Corolla Hatchback [09/2019 - 06/2021]; M20A-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+ 2022 MY Corolla Corolla Hatchback [06/2021 - 09/2022]; M20A-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+

8. REMOVE DASH PANEL HEAT INSULATOR (for M20A-FKS)

(a) Remove the nut.

(b) Remove the 2 nuts and dash panel heat insulator.

9. 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) Disengage the 5 clamps to remove the No. 1 brake tube clamp from the brake lines.

NOTICE:

Do not kink or damage the brake lines.

(e) Remove the 2 nuts.

(f) Remove the bolt 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.

10. 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.
  • Be careful not to allow any brake fluid to enter the connector.
  • Do not drop the brake actuator assembly when carrying it.

11. REMOVE BRAKE ACTUATOR BRACKET CUSHION

(a) Remove the 3 nuts and separate the brake actuator bracket assembly.

*1

No. 1 Brake Actuator Case Collar

*2

Brake Actuator Bracket Cushion

*3

Brake Actuator Bracket Assembly

(b) Remove the 3 No. 1 brake actuator case collars from the brake actuator bracket cushion.

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