2007 TOYOTA SIENNA Service Repair Manual

Page 2569 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BRAKE CONTROL  –  REAR SPEED SENSOR (for 2WD)BC–189
BC
BRAKE
BRAKE CONTROL
REAR SPEED SENSOR (for 2WD)
COMPONENTS
C119321E11

Page 2570 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BC–190BRAKE CONTROL  –  REAR SPEED SENSOR (for 2WD)
BC
REMOVAL
HINT:
Remove the RH by the same procedure as the LH side.
1. REMOVE REAR WHEEL
2. SEPARATE SKID CONTROL SENSOR WIRE
(a) Disconnect th

Page 2571 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BRAKE CONTROL  –  ANTI-LOCK BRAKE SYSTEMBC–33
BC
DESCRIPTION
The ABS motor relay supplies power to the ABS pump motor. While the ABS is activated, the ECU turns 
the motor relay on and operates th

Page 2572 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BC–34BRAKE CONTROL  –  ANTI-LOCK BRAKE SYSTEM
BC
NG
OK
(a) Install the ABS 1 fuse.
(b) Disconnect the skid control ECU connector.
(c) Measure the voltage according to the value(s) in the 
table be

Page 2573 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BRAKE CONTROL  –  ANTI-LOCK BRAKE SYSTEMBC–35
BC
(f) Check operating sound of the ABS motor when 
operating it with the intelligent tester.
OK:
The operating sound of the ABS motor is heard.
NG
OK

Page 2574 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BRAKE CONTROL  –  REAR SPEED SENSOR (for 4WD)BC–193
BC
BRAKE
BRAKE CONTROL
REAR SPEED SENSOR (for 4WD)
COMPONENTS
C119321E12

Page 2575 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BC–194BRAKE CONTROL  –  REAR SPEED SENSOR (for 4WD)
BC
REMOVAL
HINT:
Remove the RH side by the same procedure as the LH side.
1. REMOVE REAR WHEEL
2. REMOVE QUARTER TRIM PANEL ASSEMBLY 
FRONT LH
H

Page 2576 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BC–36BRAKE CONTROL  –  ANTI-LOCK BRAKE SYSTEM
BC
DESCRIPTION
This relay supplies power to each ABS solenoid.
Immediately after the ignition switch is turned to the ON position, the relay turns on