Page 2609 of 5135
320VX±01
F42291
F42290
To
Master
Cylinder
FrontTo Master
Cylinder
Rear
To Rear
Wheel RH
To Front Wheel LHTo Front Wheel RH
To Rear
Wheel LH
F42292
± BRAKEBRAKE ACTUATOR ASSY (W/ VSC)
32±57
AVENSIS REPAIR MANUAL (RM1018E)
REPLACEMENT
1. DRAIN BRAKE FLUID
NOTICE:
Wash the brake fluid off immediately if it adheres to any painted surfaces.
2. REMOVE FRONT WHEEL RH
3. REMOVE FRONT FENDER LINER RH
4. REMOVE BRAKE ACTUATOR WITH BRACKET
(a) Release the latch of the brake actuator connector to dis-
connect the connector.
(b) Disconnect oil presser sensor connector.
(c) Using SST, disconnect the brake tubes from the brake ac-
tuator.
SST 09023±00100, 09023±38400
(d) Use tags or make a memo to identify the place to recon-
nect.
(e) Remove the nut, 2 bolts and brake actuator with bracket.
Page 2610 of 5135

F42292
F42290
To
Master
Cylinder
FrontTo Master
Cylinder
Rear
To Rear
Wheel RH
To Front Wheel LHTo Front Wheel RH
To Rear
Wheel LH
AA
A
A
BB
32±58
±
BRAKE BRAKE ACTUATOR ASSY (W/ VSC)
AVENSIS REPAIR MANUAL (RM1018E)
5. REMOVE BRAKE ACTUATOR ASSY
(a) Remove the 3 bolts and brake actuator from the brake acutuator bracket.
6. REMOVE OIL PRESSURE SENSOR
7. REMOVE SKID CONTROL ECU
(a) Disconnect the connector from the skid control ECU.
(b) Using a torx driver (T20), remove the 6 screws and the skid control EC\
U from the brake actuator.
8. INSTALL SKID CONTROL ECU
(a) Install the skid control ECU and 6 screws with a torx driver (T20).
(b) Connect the connector to the skid control ECU.
9. INSTALL OIL PRESSURE SENSOR
10. INSTALL BRAKE ACTUATOR ASSY
(a) Install the brake actuator with 3 the bolts to the brake actuator bracke\
t. Torque: 4.7 N m (48 kgf cm, 42 in. lbf)
11. INSTALL BRAKE ACTUATOR WITH BRACKET
(a) Install the brake actuator with bracket with the nut and 2 bolts.
Torque: 19 N m (194 kgf cm, 14 ft lbf)
(b) Using SST, connect each brake line to the correct position of the brake actuator, as shown in the illustration.
SST 09023±00100, 09023±38400
Torque:
A: 15 N m (155 kgf cm, 11 ft lbf)
B: 29 N m (296 kgf cm, 21 ft lbf)
(c) Connect the oil presser sensor connector.
(d) Connect the brake actuator connector.
12. INSTALL FRONT FENDER LINER RH
13. INSTALL FRONT WHEEL RH Torque: 103 N m (1,050 kgf cm, 76 ft lbf)
14.FILL RESERVOIR WITH BRAKE FLUID (See page 32±4)
15.BLEED MASTER CYLINDER (See page 32±4) SST 09023±38400
16.BLEED BRAKE LINE (See page 32±4)
17.CHECK FLUID LEVEL IN RESERVOIR (See page 32±4)
18. CHECK BRAKE FLUID LEAKAGE
19.CHECK BRAKE ACTUATOR WITH HAND±HELD TESTER (See page 05±756)
Page 2611 of 5135

320VW±01
F45949
32±56
± BRAKEBRAKE ACTUATOR ASSY (W/ VSC)
AVENSIS REPAIR MANUAL (RM1018E)
BRAKE ACTUATOR ASSY (W/ VSC)
ON±VEHICLE INSPECTION
1. CONNECT HAND±HELD TESTER:
(a) Connect the hand±held tester to the DLC3.
(b) Start the engine and run at idle.
(c) Select the ACTIVE TEST mode on the hand±held tester.
HINT:
Please refer to the hand±held tester operator's manual for fur-
ther details.
2. INSPECT ACTUATOR MOTOR OPERATION
(a) With the motor relay on, check the actuator motor operation noise.
(b) Turn the motor relay off.
(c) Depress the brake pedal and hold it for about 15 seconds. Check that the brake pedal cannot be de-
pressed.
(d) With the motor relay on, check that the pedal does not pulsate.
NOTICE:
Do not keep a motor relay tvrned on for more than 5 seconds continuously. When operating it contin-
uously, set an interval more than 20 seconds.
(e) Turn the motor relay off and release the brake pedal.
3. INSPECT RIGHT FRONT WHEEL OPERATION
NOTICE:
Never turn on a solenoid in a manner described below.
(a) With the brake pedal depressed, perform the following operations.
(b) Turn the SFRH and SFRR solenoid on simultaneously, and check that the pedal cannot be depressed.
NOTICE:
Do not keep a solenoids tvrned on for more than 5 seconds continuously. When operating it continu-
ously, set an interval more than 20 seconds.
(c) Turn the SFRH and SFRR solenoid off simultaneously, and check that the pedal can be depressed.
(d) Turn the motor relay on, and check that the pedal returns.
NOTICE:
Do not keep a motor relay tvrned on for more than 5 seconds continuously. When operating it contin-
uously, set an interval more than 20 seconds.
(e) Turn the motor relay off and release the brake pedal.
4. INSPECT OTHER WHEEL OPERATION
(a) Using the same procedure, check the solenoids of the other wheels.
HINT:
Left front wheel: SFLH, SFLR
Right rear wheel: SRRH, SRRR
Left rear wheel: SRLH, SRLR
Page 2612 of 5135
320VZ±01
G24211
To Master Cylinder Front
G24212
To Master Cylinder Rear
To Front Wheel RH
To Rear Wheel LH
To Rear Wheel RH
To Front Wheel LH
G24213
32±54
± BRAKEBRAKE ACTUATOR ASSY (W/O VSC)
AVENSIS REPAIR MANUAL (RM1018E)
REPLACEMENT
1. DRAIN BRAKE FLUID
NOTICE:
Wash the brake fluid off immediately if it adheres to any painted surfaces.
2. REMOVE FRONT WHEEL RH
3. REMOVE FRONT FENDER LINER RH
4. REMOVE BRAKE ACTUATOR WITH BRACKET
(a) Release the latch of the brake actuator connector to dis-
connect the connector.
(b) Using SST, disconnect the brake tubes from the brake ac-
tuator.
SST 09023±00100
(c) Use tags or make a memo to identify the place to recon-
nect.
(d) Remove the nut, 2 bolts and brake actuator with bracket.
Page 2613 of 5135

G24213
To Master Cylinder Front
G24212
To Master Cylinder Rear
To Front Wheel RH
To Rear Wheel LH
To Rear Wheel RH
To Front Wheel LH
±
BRAKE BRAKE ACTUATOR ASSY(W/O VSC)
32±55
AVENSIS REPAIR MANUAL (RM1018E)
5.REMOVE BRAKE ACTUATOR ASSY
(a)Remove the 2 nuts and brake actuator from the brake acutuator bracket.
6.REMOVE SKID CONTROL ECU
(a)Disconnect the connector from the skid control ECU.
(b)Using a torx driver (T20), remove the 4 screws and the skid control EC\
U from the brake actuator.
7.INSTALL SKID CONTROL ECU
(a)Install the skid control ECU and 4 screws with a torx driver (T20).
(b)Connect the connector to the skid control ECU.
8.INSTALL BRAKE ACTUATOR ASSY
(a)Install the brake actuator with the 2 nuts to the brake actuator bracket\
.
Torque: 7.0 N m ( 71 kgf cm, 62 in. lbf)
9.INSTALL BRAKE ACTUATOR WITH BRACKET
(a)Install the brake actuator with bracket with the nut and 2 bolts.
Torque: 19 N m (194 kgf cm, 14 ft lbf)
(b)Using SST, connect each brake line to the correct position of the brake actuator, as shown in the illustration.
SST09023±00100
Torque:
A: 15 N m (155 kgf cm, 11 ft lbf)
(c)Connect the brake actuator connector.
10.INSTALL FRONT FENDER LINER RH
11.INSTALL FRONT WHEEL RH Torque: 103 N m (1,050 kgf cm, 76 ft lbf)
12.FILL RESERVOIR WITH BRAKE FLUID (See page 32±4)
13.BLEED MASTER CYLINDER (See page 32±4) SST 09023±00100
14.BLEED BRAKE LINE (See page 32±4)
15.CHECK FLUID LEVEL IN RESERVOIR (See page 32±4)
16. CHECK BRAKE FLUID LEAKAGE
17.CHECK BRAKE ACTUATOR WITH HAND±HELD TESTER (See page 05±699)
Page 2614 of 5135

320VY±01
F45949
± BRAKEBRAKE ACTUATOR ASSY (W/O VSC)
32±53
AVENSIS REPAIR MANUAL (RM1018E)
BRAKE ACTUATOR ASSY (W/O VSC)
ON±VEHICLE INSPECTION
1. CONNECT HAND±HELD TESTER:
(a) Connect the hand±held tester to the DLC3.
(b) Start the engine and run at idle.
(c) Select the ACTIVE TEST mode on the hand±held tester.
HINT:
Please refer to the hand±held tester operator's manual for fur-
ther details.
2. INSPECT ACTUATOR MOTOR OPERATION
(a) With the motor relay on, check the actuator motor operation noise.
(b) Turn the motor relay off.
(c) Depress the brake pedal and hold it for about 15 seconds. Check that the brake pedal cannot be de-
pressed.
(d) With the motor relay on, check that the pedal does not pulsate.
NOTICE:
Do not keep a motor relay tvrned on for more than 5 seconds continuously. When operating it contin-
uously, set an interval more than 20 seconds.
(e) Turn the motor relay off and release the brake pedal.
3. INSPECT RIGHT FRONT WHEEL OPERATION
NOTICE:
Never turn on a solenoid in a manner described below.
(a) With the brake pedal depressed, perform the following operations.
(b) Turn the SFRH and SFRR solenoid on simultaneously, and check that the pedal cannot be depressed.
NOTICE:
Do not keep a solenoids tvrned on for more than 5 seconds continuously. When operating it continu-
ously, set an interval more than 20 seconds.
(c) Turn the SFRH and SFRR solenoid off simultaneously, and check that the pedal can be depressed.
(d) Turn the motor relay on, and check that the pedal returns.
NOTICE:
Do not keep a motor relay tvrned on for more than 5 seconds continuously. When operating it contin-
uously, set an interval more than 20 seconds.
(e) Turn the motor relay off and release the brake pedal.
4. INSPECT OTHER WHEEL OPERATION
(a) Using the same procedure, check the solenoids of the other wheels.
HINT:
Left front wheel: SFLH, SFLR
Right rear wheel: SRRH, SRRR
Left rear wheel: SRLH, SRLR
Page 2615 of 5135

320W0±01
G23181
Union bolt
G23224
F45701
Cylinder Slide Pin
F45417
Cylinder Slide Bush
Cylinder Slide Pin (No.2)
± BRAKEREAR BRAKE
32±47
AVENSIS REPAIR MANUAL (RM1018E)
OVERHAUL
HINT:
Overhaul the RH side by using the same procedures as those for the LH side.
1. REMOVE REAR WHEEL
2. DRAIN BRAKE FLUID
NOTICE:
Wash the brake fluid off immediately if it adheres to any painted surface.
3. REMOVE DISC BRAKE CYLINDER ASSY REAR LH
(a) Remove the union bolt and gasket from the brake cylinder
assy rear LH, then disconnect the flexible hose from the
disc brake cylinder assy rear LH.
(b) Hold the rear disc brake cylinder slide pin and remove the
2 bolts.
4. REMOVE REAR DISC BRAKE PAD KIT
(a) Remove the disc brake pad kit rear.
(b) Remove the 2 rear disc brake pad support plates No.1
and 2 rear disc brake pad support plates No.2 from the
rear disc brake cylinder mounting LH.
5. REMOVE REAR DISC BRAKE CYLINDER SLIDE PIN
KIT
(a) Remove the rear disc brake cylinder slide pin (No.1) and
rear disc brake cylinder slide pin (No.2) from the disc
brake cylinder mounting LH.
(b) Remove the rear disc brake cylinder slide bush from the
bottom side of the rear disc brake cylinder slide pin (No.2).
Page 2616 of 5135
F45439
Front Disc Brake Cylinder Mounting
Bush Dust Boot
F45704
F42270
G23222
G23223
32±48
± BRAKEREAR BRAKE
AVENSIS REPAIR MANUAL (RM1018E)
6. REMOVE REAR DISC BRAKE BUSH DUST BOOT
(a) Remove the 2 rear disc brake bush dust boots from the
rear disc brake cylinder mounting LH.
7. REMOVE REAR DISC BRAKE CYLINDER MOUNTING
LH
(a) Remove the 2 bolts and rear disc brake cylinder mounting
LH.
8. REMOVE REAR DISC BRAKE PISTON
(a) Place a shop rug between the rear disc brake piston and
the disc brake cylinder assy rear LH.
(b) Use compressed air to remove the rear disc brake piston
from the disc brake cylinder assy rear LH.
CAUTION:
Do not place your fingers in front of the piston when using
compressed air.
NOTICE:
Do not spatter the brake fluid.
9. REMOVE CYLINDER BOOT
(a) Using a screwdriver, remove the cylinder boot.
10. REMOVE PISTON SEAL
(a) Using a screwdriver, remove the piston seal.
NOTICE:
Do not damage the inner cylinder and cylinder groove.