Toyota Yaris: Brake Booster / Inspection

Toyota Yaris XP210 (2020-2026) 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 (2020-2026) Reapir and Service Manual: Removal

REMOVAL CAUTION / NOTICE / HINT HINT: When the cable is disconnected/reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used. Learning completes when vehicle is driven Effect/Inoperative Function When Necessary Procedures are not Performed Necessary Procedures Link Lane tracing assist system Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 second or more...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Yaw Rate Sensor Signal Bias Level Out of Range / Zero Adjustment Failure (C006328,C006396)

DESCRIPTION These DTCs are stored when the skid control ECU (brake actuator assembly) receives an internal malfunction signal from the yaw rate and acceleration sensor (airbag sensor assembly). DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from C006328 Yaw Rate Sensor Signal Bias Level Out of Range / Zero Adjustment Failure With the vehicle stationary, the yaw rate sensor output value is not 0°/s...