2007 TOYOTA SIENNA Service Repair Manual

Page 2505 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BRAKE CONTROL  –  VEHICLE STABILITY CONTROL SYSTEMBC–143
BC
DESCRIPTION
If any of the following is detected, the ABS warning light remains on.
• The skid control ECU connectors are disconnected

Page 2506 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BC–144BRAKE CONTROL  –  VEHICLE STABILITY CONTROL SYSTEM
BC
INSPECTION PROCEDURE
(a) Is DTC output for ABS?
Result
B
A
(a) Check the ECU connector's connecting condition.
OK:
The connector sho

Page 2507 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BRAKE CONTROL  –  VEHICLE STABILITY CONTROL SYSTEMBC–145
BC
(1) Disconnect the skid control ECU connector.
(2) Turn the ignition switch to the ON position.
(3) Measure the voltage according to the

Page 2508 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BC–146BRAKE CONTROL  –  VEHICLE STABILITY CONTROL SYSTEM
BC
(b) Measure the resistance according to the value(s) in the 
table below.
 Standard resistance
NOTICE:
When replacing brake actuator ass

Page 2509 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BRAKE CONTROL  –  VEHICLE STABILITY CONTROL SYSTEMBC–147
BC
WIRING DIAGRAM
Refer to ABS Warning Light Remains ON (See page BC-141).
INSPECTION PROCEDURE
(a) Disconnect the skid control ECU connect

Page 2510 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BC–148BRAKE CONTROL  –  VEHICLE STABILITY CONTROL SYSTEM
BC
(c) Measure the resistance according to the value(s) in the 
table below.
Standard resistance
NG
OK
(a) Check the combination meter (See

Page 2511 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BRAKE CONTROL  –  VEHICLE STABILITY CONTROL SYSTEMBC–149
BC
DESCRIPTION
The skid control ECU is connected to the combination meter via CAN and multiplex communications.
If the skid control ECU sto

Page 2512 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BC–150BRAKE CONTROL  –  VEHICLE STABILITY CONTROL SYSTEM
BC
Result
B
A
(a) Check if the multiplex communication system DTC is 
output (See page MP-14).
Result
B
A
(a) Check if the skid control ECU