Toyota Sienna Service Manual: SFR Solenoid Circuit
DESCRIPTION
This solenoid goes on when signals are received from the ECU and controls the pressure acting on the wheel cylinders to control the braking force.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 RECONFIRM DTC
HINT: This code is detected when a problem is determined in the brake actuator assembly.
The solenoid circuit is in the brake actuator assembly.
Therefore, solenoid circuit inspection and solenoid unit inspection cannot be performed. Be sure to check if the DTC code is output before replacing the brake actuator assembly.
(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: When replacing the brake actuator assembly, perform zero point calibration (See page BC-70).
REPLACE BRAKE ACTUATOR ASSEMBLY
Right Rear Wheel Speed Sensor Signal
DESCRIPTION
Refer to DTCs C0200/31, C0205/32, C1235/35 and C1236/36 (See page BC-92).
HINT:
DTC C0210/33 and C1238/38 are for the right rear speed sensor.
DTC C0215/34 and C1239/39 are ...
Open or Short Circuit in ABS Motor Relay Circuit
DESCRIPTION
The ABS motor relay supplies power to the ABS pump motor. While the ABS &
TRAC & VSC are
activated, the ECU switches the ABS motor relay ON and operates the ABS pump
moto ...
Other materials:
Air Mix Damper Position Sensor Circuit (Driver Side)
DESCRIPTION
This sensor detects the position of the air mix control servo motor (air
outlet damper) and sends the
appropriate signals to the A/C amplifier. The position sensor is built in the
air mix control servo motor. The
position sensor resistance changes as the air mix control servo ...
Vehicle lift and support locations
1. NOTICE ABOUT VEHICLE CONDITION WHEN
JACKING UP VEHICLE
(a) The vehicle must be unloaded before jacking up/
lifting up the vehicle. Never jack up/lift up a heavily
loaded vehicle.
(b) When removing heavy parts such as the engine and
transmission, the center of gravity of the vehicle
may s ...
Terminals of ECU
1. CHECK POWER BACK DOOR ECU
Disconnect the P13 and P14 ECU connectors, and
check the voltage and resistance of each terminal of
the wire harness side connectors
If the result is not as specified, there may be a
malfunction on the wire harness side.
Reconnect the ECU co ...
