Toyota Sienna Service Manual: SFR Solenoid Circuit
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.
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?
NOTICE: When replacing the brake actuator assembly, perform zero point calibration (See page BC-70).
REPLACE BRAKE ACTUATOR ASSEMBLY
1. INSTALL REAR AXLE BEAM DAMPER (a) Install the rear axle beam damper to the rear axle beam assembly. 2. INSTALL REAR AXLE CARRIER BUSH LH (a) Align the matchmarks on the axle beam assembly with the 2 notches of a new bushing and temporarily install the bushing to the rear axle beam assem ...
Power back door drive unit