Toyota Yaris: Brake Booster / Inspection

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual / Brake / Brake System (other) / Brake Booster / Inspection

INSPECTION

PROCEDURE

1. INSPECT BRAKE VACUUM CHECK VALVE ASSEMBLY

(a) Check that there is ventilation from the booster side to the engine side, and no ventilation from the engine side to the booster side of the brake vacuum check valve assembly.

HINT:

If the result is not as specified, replace the brake vacuum check valve assembly.

*a	Ventilation
*b	No Ventilation
*c	Engine Side
*d	Brake Booster Assembly Side

Removal

REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during brake booster assembly removal/installation are shown below...

Reassembly

REASSEMBLY PROCEDURE 1. INSTALL VACUUM SENSOR ASSEMBLY (a) Install a new vacuum sensor grommet to the brake booster assembly. (b) Install the vacuum sensor assembly to the brake booster assembly as shown in the illustration...

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