2007 TOYOTA SIENNA Service Repair Manual

Page 2409 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BC–48BRAKE CONTROL  –  ANTI-LOCK BRAKE SYSTEM
BC
OK
(a) Clear the DTCs (See page BC-10).
(b) Start the engine.
(c) Drive the vehicle at the speed of 6 km/h (4 mph) or more.
(d) Check that the same

Page 2410 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BRAKE CONTROL  –  ANTI-LOCK BRAKE SYSTEMBC–49
BC
DESCRIPTION
If any of the following is detected, the ABS warning light remains on.
• The skid control ECU connectors are disconnected from the sk

Page 2411 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BC–50BRAKE CONTROL  –  ANTI-LOCK BRAKE SYSTEM
BC
INSPECTION PROCEDURE
(a) Check the skid control ECU connector's connecting 
condition.
OK:
The connector should be securely connected.
NG
OK
(a

Page 2412 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BRAKE CONTROL  –  ANTI-LOCK BRAKE SYSTEMBC–51
BC
OK
(a) Disconnect the combination meter connector.
(b) Measure the resistance according to the value(s) in the 
table below.
Standard resistance
NG

Page 2413 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BC–52BRAKE CONTROL  –  ANTI-LOCK BRAKE SYSTEM
BC
WIRING DIAGRAM
See page BC-47.
INSPECTION PROCEDURE
(a) Disconnect the skid control ECU connector.
(b) Turn the ignition switch to the ON position.

Page 2414 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BRAKE CONTROL  –  ANTI-LOCK BRAKE SYSTEMBC–53
BC
(a) Turn the ignition switch off.
(b) Disconnect the combination meter connector.
(c) Measure the resistance according to the value(s) in the 
tabl

Page 2415 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BC–54BRAKE CONTROL  –  ANTI-LOCK BRAKE SYSTEM
BC
DESCRIPTION
If the ECU detects a trouble, it turns on the brake warning light at the same time of prohibiting ABS 
control.
At this time, the ECU r

Page 2416 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BRAKE CONTROL  –  ANTI-LOCK BRAKE SYSTEMBC–55
BC
INSPECTION PROCEDURE
(a) Check if the ABS DTC is output (See page BC-10).
Result
B
A
(a) Check the skid control ECU connector's connecting 
con