Toyota Yaris: Brake Booster / 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.
| *a | 45° +/- 20° |
 | Up |
2. INSTALL BRAKE VACUUM CHECK VALVE ASSEMBLY
(a) Install a new check valve grommet to the brake booster assembly.
(b) Install the brake vacuum check valve assembly to the brake booster assembly.
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...
Installation
INSTALLATION PROCEDURE 1. INSTALL BRAKE BOOSTER GASKET (a) Install a new brake booster gasket to the brake booster assembly. 2. INSTALL BRAKE BOOSTER ASSEMBLY (a) Temporarily install the brake booster assembly to the vehicle body...
Other information:
Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table...
Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Zero Point Calibration of Steering Angle Sensor Not Acquired (X20D8)
DESCRIPTION Code Tester Display Measurement Item Trouble Area RoB Output from X20D8 Zero Point Calibration of Steering Angle Sensor Not Acquired History of being unable to obtain the steering angle zero point Sensor installation Yaw rate and acceleration sensor (airbag sensor assembly) Brake CAUTION / NOTICE / HINT NOTICE: This Vehicle Control History (RoB) may be output during situations when the steering angle sensor zero point calibration temporarily cannot be acquired, such as when the stop light is stuck ON...
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Supplemental Restraint System (SRS) Precautions
The front and side supplemental restraint systems (SRS) include different types of air bags. Please verify the different types of air bags which are equipped on your vehicle by locating the “SRS AIRBAG” location indicators. These indicators are visible in the area where the air bags are installed.
The air bags are installed in the following locations:
The steering wheel hub (driver air bag) The front passenger dashboard (front passenger air bag) The outboard sides of the front seatbacks (side air bags) The front and rear window pillars, and the roof edge along both sides (curtain air bags)