2007 TOYOTA SIENNA Service Repair Manual

Page 2385 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BC–18BRAKE CONTROL  –  ANTI-LOCK BRAKE SYSTEM
BC
Test Mode DTC of ABS:
C1236/36Foreign Object is Attached on Tip 
of Front Speed Sensor LH1. Front speed sensor LH
2. Speed sensor rotor
3. Sensor i

Page 2386 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BRAKE CONTROL  –  ANTI-LOCK BRAKE SYSTEMBC–19
BC
DESCRIPTION
The speed sensor detects wheel speed and transmits the appropriate signals to the ECU. These signals 
are used for control of the ABS c

Page 2387 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BC–20BRAKE CONTROL  –  ANTI-LOCK BRAKE SYSTEM
BC
HINT:
• DTC No. C0200/31 and C1235/35 are for the front speed sensor RH. 
• DTC No. C0205/32 and C1236/36 are for the front speed sensor LH.
WI

Page 2388 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BRAKE CONTROL  –  ANTI-LOCK BRAKE SYSTEMBC–21
BC
(b) Check that there is the speed value output from the 
speed sensor displayed on the intelligent tester and the 
speed value displayed on the spe

Page 2389 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BC–22BRAKE CONTROL  –  ANTI-LOCK BRAKE SYSTEM
BC
OK:
No scratches or foreign matter on the sensor tip.
NOTICE:
Check the speed sensor signal after cleaning or 
replacement (See page BC-3).
NG
OK
(

Page 2390 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BRAKE CONTROL  –  ANTI-LOCK BRAKE SYSTEMBC–23
BC
(a) Disconnect the skid control sensor wire.
(b) Measure the resistance according to the value(s) in the 
table below.
Standard resistance
RH:
LH:

Page 2391 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BC–24BRAKE CONTROL  –  ANTI-LOCK BRAKE SYSTEM
BC
OK
(a) Clear the DTCs (See page BC-10).
(b) Drive the vehicle at a speed of approximately 32 km/h 
(20 mph) or more for 60 seconds or more.
(c) Che

Page 2392 of 3000

TOYOTA SIENNA 2007  Service Repair Manual BRAKE CONTROL  –  ANTI-LOCK BRAKE SYSTEMBC–31
BC
DESCRIPTION
The solenoid comes on when signals are received from the ECU and controls the pressure acting on the 
wheel cylinders, thus controlling