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...

Other information:

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: STA Signal Circuit

DESCRIPTION While the engine is being cranked, a starter operation request signal is sent to terminal STA of the ECM. HINT: If there is an open in the STA circuit of the ECM, stop and start control will be prohibited after the third time the engine is started by stop and start control...

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Disassembly

DISASSEMBLY PROCEDURE 1. REMOVE HOOD INSULATOR (a) Remove the 4 clips. (b) Disengage the guides to remove the hood insulator. 2. REMOVE HOOD STAY HOLDER (a) Disengage the claws to remove the hood stay holder. 3. REMOVE HOOD SUPPORT ASSEMBLY (a) Disengage the claws to remove the hood support assembly...