2003 LEXUS LS430 actuator

Fig. 69: Installing Brake Tubes To Brake Master Cylinder Sub-Assy And ABS & TRACTION
Actuator Assy
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
22.FILL RESERVOIR WITH BRAKE FLUID (SEE BLEEDING
)
23.BLEED MASTER CYLINDER (SEE BLEEDING
)
24.BLEED BRAKE LINE (SEE BLEEDING
)
25.CHECK FLUID LEVEL IN RESERVOIR (SEE BLEEDING
)
26.CHECK FOR BRAKE FLUID LEAKAGE
27.CHECK AND ADJUST BRAKE PEDAL HEIGHT (SEE ON
-VEHICLE INSPECTION )
28.CHECK PEDAL FREE PLAY (SEE ON
-VEHICLE INSPECTION )
29.CHECK PEDAL RESERVE DISTANCE (SEE ON
-VEHICLE INSPECTION )
30.INSTALL INSTRUMENT PANEL UNDER COVER SUB-ASSY NO.2
31.INSTALL INSTRUMENT PANEL SAFETY PAD SUB-ASSY NO.1
a. Install the instrument panel under cover sub-assy No.1.
b. Install the 2 bolts and hood lock release lever.
32.INSTALL OUTER MIRROR SWITCH ASSY
33.INSTALL COIN BOX ASSY
34.INSTALL INSTRUMENT PANEL UNDER COVER SUB-ASSY NO.1

Fig. 88: Installing Hole Pin While Pushing On Front Disc Brake Anti-Rattle Spring
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
26.FILL RESERVOIR WITH BRAKE FLUID (SEE BLEEDING
)
27.BLEED MASTER CYLINDER (SEE BLEEDING
)
SST 09023-00101
28.BLEED BRAKE LINE (SEE BLEEDING
)
29.BLEED BRAKE ACTUATOR (SEE BLEEDING
)
30.CHECK FLUID LEVEL IN RESERVOIR (SEE BLEEDING
)
31.CHECK BRAKE FLUID LEAKAGE
If fluid leaks, tighten or replace the leaking part.
32.INSTALL FRONT WHEEL
Torque: 103 N.m (1,050 kgf.cm, 76 ft.lbf)
COMPONENTS

Fig. 108: Installing Rear Disc Brake W/Hole Pin While Pushing On Rear Disc Brake Anti-Rattle
Spring
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
29.FILL RESERVOIR WITH BRAKE FLUID (SEE BLEEDING
)
30.BLEED MASTER CYLINDER (SEE BLEEDING
)
SST 09023-00101
31.BLEED BRAKE LINE (SEE BLEEDING
)
32.BLEED BRAKE ACTUATOR (SEE BLEEDING
)
33.CHECK BRAKE FLUID LEAKAGE
If fluid leaks, tighten or replace the leaking part.
34.CHECK FLUID LEVEL IN RESERVOIR (SEE BLEEDING
)
35.INSTALL REAR WHEEL
Torque: 103 N.m (1,050 kgf.cm, 76 ft.lbf)
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 operators manual for further details.
Fig. 109: Connecting Hand
-Held Tester To DLC3
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
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 approximately 15 seconds. Check that the brake pedal
cannot be depressed.
d. With the motor rela
y on, check that the pedal does not pulsate.

If the pedal pulsates, replace the motor relay (see DTC C0273/13, C0274/14, C1361/91: OPEN
CIRCUIT IN ABS MOTOR RELAY CIRCUIT, B+ SHORT CIRCUIT IN ABS MOTOR
RELAY CIRCUIT, SHORT CIRCUIT IN ABS MOTOR FAIL SAFE RELAY CIRCUIT ).
e. Turn the motor relay off and release the brake pedal.
3.INSPECT RIGHT FRONT WHEEL OPERATION
a. With the brake pedal depressed, perform the following operations.
b. Turn the SFRH and SFRR solenoids on simultaneously, and check that the pedal cannot be
depressed.
c. Turn the SFRH and SFRR solenoids off simultaneously, and check that the pedal can be depressed.
If the pedal cannot be depressed, replace the ABS & TRACTION ACTUATOR ASSY.
d. Turn the motor relay on, and check that the pedal returns.
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
5.CLEAR DTC (SEE DIAGNOSIS SYSTEM
)

REPLACEMENT
1.REMOVE ENGINE ROOM SIDE COVER
2.SEPARATE ENGINE ROOM NO.3 R/B
a. Remove the bolt and separate the engine room No.3 R/B.
3.REMOVE FRONT WHEEL
4.REMOVE FRONT FENDER LINER
Remove the front fender outside moulding, front fender splash shield and front fender liner LH.
5.DRAIN BRAKE FLUID
a. Draw out fluid with syringe.
6.REMOVE ABS & TRACTION ACTUATOR ASSY WITH BRACKET
a. Using SST, disconnect the 6 brake tubes from the ABS & TRACTION actuator assy with bracket.
SST 09751-36011
Fig. 110: Disconnecting Brake Tubes From ABS & TRACTION ACTUATOR ASSY WITH

BRACKET
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Use tags or make a memo to identify the places to reconnect.
c. Disconnect the connector from the ABS & TRACTION actuator assy.
Fig. 111: Disconnecting Connector From ABS & TRACTION Actuator Assy

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
d. Remove bolt A.
e. Remove nut B, then nut C.
f. Remove the ABS & TRACTION actuator ass
y with actuator bracket assy.

Fig. 112: Removing ABS & TRACTION Actuator Assy With Actuator Bracket Assy
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
7.REMOVE ABS & TRACTION ACTUATOR ASSY
a. Remove the 2 nuts and the ABS & TRACTION actuator assy from the actuator bracket assy.
8.INSTALL ABS & TRACTION ACTUATOR ASSY
a. Place the ABS & TRACTION actuator assy on the actuator bracket assy and tighten the 2 nuts.
Torque: 5.4 N.m (55 kgf.cm, 48 in.lbf)
9.INSTALL ABS & TRACTION ACTUATOR ASSY WITH BRACKET
a. Place the ABS & TRACTION actuator with bracket on the body.