Lexus ES300 (1997 year). Manual — part 290

BR076–01

–

BRAKE

ABS ACTUATOR

BR–51

1166

1997 LEXUS ES300 (RM511U)

INSTALLATION

Installation is in the reverse order of removal (See page

BR–50

).

1.

AFTER INSTALLATION, FILL BRAKE RESERVOIR WITH BRAKE FLUID AND BLEED BRAKE
SYSTEM (See page

BR–4

)

2.

CHECK FOR LEAKS

BR07A–02

W03246

W03897

Sub – Wire Harness G (SST)

FR TRC
Connector

White
Connector

Sub – Wire harness P (SST)

*: Connect the white connector with
the labeled (FF TRC) connector.

(SST)

FF TRC
Connector

Sub – Wire
harness L
(SST)

ABS & TRAC
Actuator

BR–52

–

BRAKE

ABS & TRAC ACTUATOR

1167

1997 LEXUS ES300 (RM511U)

ABS & TRAC ACTUATOR

ON–VEHICLE INSPECTION

HINT:
Using the ABS actuator checker (SST), check the operation of
the actuator. If the actuator does not operate, check the opera-
tion of sub–wire harness G according to the instructions on
pages

DI–283

and

DI–286

. If the solenoid and/or pump motor

relay are abnormal, replace the relay and inspect the actuator
operation again.

1.

INSPECT BATTERY POSITIVE VOLTAGE
Battery positive voltage: 10 – 14 V

2.

DISCONNECT CONNECTORS

Disconnect the 2 connectors from the actuator.
3.

CONNECT ACTUATOR CHECKER (SST)

(a)

Connect the actuator checker (SST) to the actuator side
wire harness via the sub–wire harness (SST), as shown.
SST

09990–00150, 09990–00250, 09990–00360,
09990–00450

(b)

Connect the red cable of the checker to the battery posi-
tive (+) terminal and black cable to the negative (–) termi-
nal. Connect the black cable of the sub–wire harness to
the battery negative (–) terminal or body ground.

BR1811

R00324

R00325

R00326

BR1813

–

BRAKE

ABS & TRAC ACTUATOR

BR–53

1168

1997 LEXUS ES300 (RM511U)

(c)

Place the ”SHEET A” (SST) on the actuator checker.
SST

09990–00163

4.

INSPECT BRAKE ACTUATOR OPERATION

(a)

Start the engine, and run it at idle.

(b)

Turn the selector switch of the actuator checker to
”FRONT RH” position.

(c)

Push and hold in the MOTOR switch for a few seconds.

(d)

Depress the brake pedal and hold it until step (g) is com-
pleted.

(e)

Push the POWER SWITCH, and check that the brake
pedal does not go down.

NOTICE:
Do not keep the POWER SWITCH pushed down for more
than 10 seconds.
(f)

Release the switch, and check that the pedal goes down.

(g)

Push and hold in the MOTOR switch for a few seconds,
and check that the pedal returns.

(h)

Release the brake pedal.

(i)

Push and hold in the MOTOR switch for a few seconds.

(j)

Depress the brake pedal and hold it for about 15 seconds.
As you hold the pedal down, push the MOTOR switch for
a few seconds. Check that the brake pedal does not pul-
sate.

(k)

Release the brake pedal.

(l)

Turn the selector switch to ”FRONT LH” position.

(m)

Repeat (c) to (j), checking the actuator operation similarly.

(n)

Similarly, inspect ”REAR RH” and ”REAR LH” position.

HINT:
When inspecting ”REAR LH” position, push the REAR LH
switch instead of the POWER SWITCH, and you can inspect in
any selector switch position.

BR1811

BR–54

–

BRAKE

ABS & TRAC ACTUATOR

1169

1997 LEXUS ES300 (RM511U)

(o)

Push and hold in the MOTOR switch for a few seconds.

(p)

Stop the engine.

5.

DISCONNECT ACTUATOR CHECKER (SST) FROM
ACTUATOR

Remove the ”SHEET A” (SST) and disconnect the actuator
checker (SST) and sub–wire harness (SST) from the actuator.

SST

09990–00150, 09990–00163, 09990–00250,
09990–00360, 09990–00450

6.

CONNECT CONNECTORS

Connect the 2 connectors to the actuator.
7.

CLEAR DTC (See page

DI–273

)