Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM10000000265ZU |
Model Year Start: 2023 |
Model: Corolla |
Prod Date Range: [09/2022 -
] |
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: BRAKE ACTUATOR (for HV Model): REMOVAL; 2023 - 2025 MY Corolla Corolla HV [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.
Replaced Part
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Necessary Procedure
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Effect/Inoperative Function when Necessary Procedure not Performed
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Link
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Skid control ECU (brake actuator assembly)
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Update ECU security key
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Vehicle Control History (RoB) are stored
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Bleed air
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Perform "Reset Memory"
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Perform "Calibration"
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DTCs are stored
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ABS warning light illuminates
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Brake system warning light (yellow indicator) illuminates
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Slip indicator light illuminates
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Electronically controlled brake system disabled or malfunctions
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Operate the electric parking brake switch
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Electric Parking Brake System
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NOTICE:
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When replacing the auxiliary battery, use a new auxiliary battery of the same dimensions and same capacity or more from the same class at a 20-hour rate.
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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 3 minutes before disconnecting the cable from the negative (-) auxiliary battery terminal.
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When the cable is disconnected from the negative (-) auxiliary battery terminal and the security lock setting has been enabled, multi-display operations will be disabled upon next startup unless the password is entered. Be sure to check the security lock setting before disconnecting the cable from the negative (-) auxiliary battery terminal. (for Audio and Visual System (for Single Knob Type))
HINT:
When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.
Effect/Inoperative Function when Necessary Procedure not Performed
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Necessary Procedure
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Link
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Front Camera System
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Drive the vehicle straight ahead at 15 km/h (9 mph) or more for 1 second or more.
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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
Click here
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
5. REMOVE NO. 1 HEATER AIR DUCT SPLASH SHIELD SEAL
Click here
6. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY
Click here
7. REMOVE BRAKE ACTUATOR WITH BRACKET
(a) Release the lock lever and disconnect the connector from the brake actuator assembly.
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Release the lock lever
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Disconnect the connector
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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.
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*a
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From 1st Chamber of Brake Master Cylinder Sub-assembly
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*b
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From 2nd Chamber of Brake Master Cylinder Sub-assembly
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*c
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To Front Wheel Cylinder Assembly RH
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*d
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To Rear Wheel Cylinder Assembly LH
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*e
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To Rear Wheel Cylinder Assembly RH
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*f
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To Front Wheel Cylinder Assembly LH
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(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.
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Do not allow any foreign matter such as dirt or dust to enter the brake lines from the connecting parts.
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(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.
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(e) Remove the 2 nuts.
NOTICE:
-
Do not kink or damage the brake lines.
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Do not allow any foreign matter such as dirt or dust to enter the brake lines from the connecting parts.
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Be careful not to allow any brake fluid to enter the connector.
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Do not hold the brake actuator assembly by the connector.
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Do not drop the brake actuator with bracket when carrying it.
HINT:
Remove the brake actuator with bracket while avoiding the brake lines.
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8. 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.
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9. REMOVE BRAKE ACTUATOR BRACKET CUSHION
(a) Remove the 3 nuts and separate the brake actuator bracket assembly.
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*1
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Brake Actuator Bracket Cushion
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*2
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No. 1 Brake Actuator Case Collar
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*3
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Brake Actuator Bracket Assembly
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(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.
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