2007 TOYOTA SIENNA Service Repair Manual

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Page 2465 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEMBC–103
BC
Standard resistance:
LH
RH
NOTICE:
Check the speed sensor signal after the
replacement. (See page BC-72)
NG
OK
(a) Disconnect the skid

Page 2466 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BC–104BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEM
BC
OK
(a) INSPECTION USING OSCILLOSCOPE:
(1) Connect the oscilloscope to terminals RR+ - RR- or
RL+ - RL- of the skid control ECU.
(2) Dri

Page 2467 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEMBC–105
BC
(b) 4WD
(1) Check the sensor installation.
OK:
There is no clearance between the sensor and
rear axle carrier.
The installation bolt is

Page 2468 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BC–106BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEM
BC
C
A
(a) Remove the rear speed sensor (See page BC-190 for
2WD or BC-194 for 4WD).
(b) Check the sensor tip.
OK:
No scratches or foreign

Page 2469 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEMBC–107
BC
DESCRIPTION
This solenoid goes on when signals are received from the ECU and controls the pressure acting on the
wheel cylinders to con

Page 2470 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BC–108BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEM
BC
(a) Clear the DTCs (See page BC-82).
(b) Turn the ignition switch to the ON position.
(c) Are the same DTCs recorded?
Result
NOTICE:
Whe

Page 2471 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEMBC–109
BC
DESCRIPTION
The ABS motor relay supplies power to the ABS pump motor. While the ABS & TRAC & VSC are
activated, the ECU switches the AB

Page 2472 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BC–110BRAKE CONTROL – VEHICLE STABILITY CONTROL SYSTEM
BC
WIRING DIAGRAM
INSPECTION PROCEDURE
(a) Connect the intelligent tester to the DLC3.
(b) Start the engine.
(c) Select the ACTIVE TEST mod

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