Toyota RM787U, Руководство по обслуживанию и ремонту

Страница: 1347 / 1976

A06134
DLC3
TOYOTA Hand-held Tester
BR1KY-01
- BRAKE ABS & VSC ACTUATOR
BR-43
1386
Author: Date:
2001 SIENNA (RM787U)
ABS & VSC ACTUATOR
ON-VEHICLE INSPECTION
1. CONNECT TOYOTA HAND-HELD TESTER
(a) Connect the TOYOTA hand-held tester to the DLC3.
(b) Start the engine and run it at idle.
(c) Select the ACTIVE TEST mode on the TOYOTA hand-
held tester.
HINT:
Please refer to the TOYOTA hand-held tester operator’s manu-
al for further details.
2.
INSPECT ACTUATOR MOTOR OPERATION
(a) With the motor relay ON, check the actuator motor opera-
tion 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 depressed.
(d) With the motor relay ON, check that the pedal does not
pulsate.
NOTICE:
Do not keep motor relay ON for more than 5 seconds con-
tinuously. When operating it continuously, set the interval
of 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 the solenoid which is not 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 solenoid ON for more than 10 seconds contin-
uously. When operating it continuously, set the interval of
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 motor relay ON for more than 5 seconds con-
tinuously. When operating it continuously, set the interval
of more than 20 seconds.
(e)
Turn the motor relay OFF and release the brake pedal.
4. INSPECT OTHER WHEELS OPERATION
As in the same procedure, check the solenoids of other wheels.
HINT:
Left front wheel: SFLH, SFLR
Right rear wheel: SRRH, SRRR
Left rear wheel: SRLH, SRLR
5.
CLEAR DTC (See page DI-259 )