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:
Disassembly
1. REMOVE STOP LIGHT SWITCH ASSEMBLY
(a) Turn the stop light switch assembly
counterclockwise and remove the stop light switch
assembly.
(b) Remove the stop light switch mounting adjuster
from the brake pedal support sub-assembly.
2. REMOVE STOP LIGHT SWITCH CUSHION
(a) Remove the stop ligh ...
Initialization
1. RESET MEMORY
NOTICE:
Perform the RESET MEMORY (AT initialization)
when replacing the automatic transaxle assembly,
engine assembly or ECM.
The RESET MEMORY can be performed only with
the Intelligent tester.
HINT:
The ECM memorizes the condition that the ...
Removal
1. REMOVE REAR SEAT 3 POINT TYPE BELT
ASSEMBLY (for 8-Passenger)
HINT:
Refer to the instructions for disassembly of the rear No. 1 seat assembly (for
center seat).
Remove the bolt and rear seat 3 point type belt
assembly.
2. REMOVE REAR SEAT 3 POINT TYPE BELT
ASSEMBLY (for 7-Pas ...