BRAKE ACTUATOR(for LHD) REMOVAL

Info Added 2017-10-06

CAUTION / NOTICE / HINT

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

Necessary Procedure After Parts Removed/Installed/Replaced
Replacement Part or Procedure Necessary Procedure Effect/Inoperative when not Performed Link
Disconnect cable from negative battery terminal Memorize steering angle neutral point Lane departure alert system (w/ Steering Control)

Click here

Simple intelligent parking assist system*1
Toyota parking assist-sensor system (w/ Simple Intelligent Parking Assist System)*1
Pre-collision system
Initialize back door lock Power door lock control system

Click here

Drive the vehicle until stop and start control is permitted (approximately 5 to 60 minutes)*2 Stop and start system

Click here

Replacement of brake actuator assembly Operate the electric parking brake switch assembly Parking brake indicator light (red) blinks when the ignition switch is first turned on (IG)

Click here


  1. Clear zero point calibration data.

  2. Perform yaw rate and acceleration sensor zero point calibration.

  • ABS warning light illuminates

  • Slip indicator light illuminates

  • VSC disabled or malfunctions

Click here

*1: When performing learning using the GTS.

Click here

*2: w/ Stop and start system

PROCEDURE


  1. PRECAUTION

    Note

    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.

    Click here

  2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

    Click here

    Note

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

    Click here

  3. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY

    Click here

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

    Click here

  5. REMOVE WATER GUARD PLATE LH

    Click here

  6. REMOVE COWL BODY MOUNTING REINFORCEMENT LH

    Click here

  7. REMOVE COWL BODY MOUNTING REINFORCEMENT RH

    Click here

  8. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY

    Click here

  9. REMOVE BATTERY

    Click here

  10. DRAIN BRAKE FLUID

    Note

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

  11. REMOVE BRAKE ACTUATOR WITH BRACKET


    1. A005P94C01
      B00497S Release the lock lever
      B0049AC Disconnect the connector

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

      Note

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

    2. A005PBYC01
      *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 LH
      *d To Rear Wheel Cylinder Assembly RH
      *e To Rear Wheel Cylinder Assembly LH
      *f To Front Wheel Cylinder Assembly RH

      Use tags or make a memo to identify the places to reconnect the brake tubes.

    3. A001U8H

      Using a 10 mm and 12 mm union nut wrench, disconnect the 6 brake tubes from the brake actuator assembly.

    4. A005PD1

      Remove the bolt, 2 nuts and brake actuator with bracket from the vehicle.

      Note


      • Do not kink or damage the brake tubes.

      • Do not hold the brake actuator assembly by the connector.

      Tech Tips

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

  12. REMOVE BRAKE ACTUATOR ASSEMBLY


    1. A005OGC

      Loosen the 2 nuts.

    2. Remove the bolt and brake actuator assembly from the brake actuator bracket assembly.

      Note


      • 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.

  13. REMOVE NO. 1 BRAKE ACTUATOR CASE COLLAR


    1. A001XCU

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

  14. REMOVE BRAKE ACTUATOR BRACKET CUSHION

    A001VGE

    1. Remove the brake actuator bracket cushion from the brake actuator bracket assembly.