REMOVAL AND INSTALLATION

<L.H.drive vehicles>

note

ASC-ECU is located in the hydraulic unit.

caution

When the hydraulic unit (integrated with ASC-ECU) is replaced, always carry out the calibration of the steering wheel sensor and the G and yaw rate sensor (Refer to

and

Pre-removal operation

Strut tower bar removal (Refer to GROUP 42 - Strut Tower Bar .)
Brake fluid draining
Air cleaner body assembly removal (Refer to GROUP 15 - Air Cleaner .)

Post-installation operation

Air cleaner body assembly installation (Refer to GROUP 15 - Air Cleaner .)
Brake fluid refilling and air bleeding (Refer to GROUP 35A - On-vehicle Service, Basic Brake System Bleeding .)
Strut tower bar installation (Refer to GROUP 42 - Strut Tower Bar .)
Hydraulic unit check (Refer to .)

			Removal steps
<<A>>		1.	ASC-ECU harness connector
	>>A<<	2.	Brake tube connection
<<B>>		3.	Hydraulic unit (ASC-ECU)
		4.	Hydraulic unit bracket insulator
		5.	Protector
		6.	Hydraulic unit bracket

<R.H.drive vehicles>

note

ASC-ECU is located in the hydraulic unit.

caution

When the hydraulic unit (integrated with ASC-ECU) is replaced, always carry out the calibration of the steering wheel sensor and the G and yaw rate sensor (Refer to

and

Pre-removal operation

Strut tower bar removal (Refer to GROUP 42 - Strut Tower Bar .)
Brake fluid draining
Air cleaner body assembly removal (Refer to GROUP 15 - Air Cleaner .)

Post-installation operation

Air cleaner body assembly installation (Refer to GROUP 15 - Air Cleaner .)
Brake fluid refilling and air bleeding (Refer to GROUP 35A - On-vehicle Service, Basic Brake System Bleeding .)
Strut tower bar installation (Refer to GROUP 42 - Strut Tower Bar .)
Hydraulic unit check (Refer to .)

			Removal steps
<<A>>		1.	ASC-ECU harness connector
	>>A<<	2.	Brake tube connection
<<B>>		3.	Hydraulic unit (ASC-ECU)
		4.	Hydraulic unit bracket insulator
		5.	Protector
		6.	Hydraulic unit bracket

REMOVAL SERVICE POINTS

<<A>> ASC-ECU HARNESS CONNECTOR DISCONNECTION

Operate the lock lever to disconnect the ASC-ECU harness connector as shown in the figure.

<<B>> HYDRAULIC UNIT (ASC-ECU) REMOVAL

caution

Be careful when removing the hydraulic unit because it is heavy.
Never loosen the nuts and the bolts because the hydraulic unit cannot be disassembled.
Do not drop or shock the hydraulic unit.
Do not turn the hydraulic unit upside down or lay down the unit because the inner air becomes difficult to be bled.

INSTALLATION SERVICE POINTS

>>A<< BRAKE TUBE CONNECTION

Install the brake pipe to the hydraulic unit as shown in the figure.

To rear brake (RH)
From master cylinder (secondary)
To front brake (LH)
To front brake (RH)
From master cylinder (primary)
To rear brake (LH)