Toyota Yaris: Brake Actuator / On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. CONNECT GTS
(a) Connect the GTS to the DLC3 with the engine switch off.
(b) Start the engine and run it at idle.
(c) Turn the GTS on.
(d) Enter the following menus: Chassis / Brake/EPB / Active Test.
HINT:
Refer to the GTS operator's manual for further details.
2. INSPECT ACTUATOR MOTOR OPERATION
(a) Enter the following menus: Chassis / Brake / Active Test / Motor Relay.
Chassis > Brake > Active Test| Tester Display |
|---|
| Motor Relay |
(b) Turn the motor relay on and check for actuator motor operation sounds.
NOTICE:
Do not keep the motor relay on continuously for more than 5 seconds. If it needs to be operated repeatedly, wait an interval of more than 20 seconds between operations.
(c) Turn the motor relay off.
(d) Fully depress the brake pedal and hold it for approximately 15 seconds. Check that the initial brake pedal depth is maintained for the entire 15 seconds.
(e) Turn the motor relay on and check that the brake pedal does not pulsate.
NOTICE:
Do not keep the motor relay on continuously for more than 5 seconds. If it needs to be operated repeatedly, wait an interval of more than 20 seconds between operations.
(f) Turn the motor relay off and release the brake pedal.
3. INSPECT FRONT RIGHT WHEEL OPERATION
(a) Enter the following menus: Chassis / Brake / Active Test / ABS Solenoid.
Chassis > Brake > Active Test| Tester Display |
|---|
| ABS Solenoid |
(b) Depress the brake pedal and hold it.
NOTICE:
Do not turn on a solenoid in a manner different than that shown in the following steps.
(c) Turn the SFRH and SFRR solenoids on simultaneously and check that the brake pedal cannot be depressed further.
NOTICE:
Each solenoid operates for 2 seconds and turns off automatically. If a solenoid needs to be operated repeatedly, wait an interval of more than 20 seconds between operations.
(d) Turn the SFRH and SFRR solenoids off simultaneously and check that the brake pedal can be depressed.
(e) With the brake pedal still depressed, turn the motor relay on and check that the brake pedal rises.
Chassis > Brake > Active Test| Tester Display |
|---|
| Motor Relay |
NOTICE:
Do not keep the motor relay on continuously for more than 5 seconds. If it needs to be operated repeatedly, wait an interval of more than 20 seconds between operations.
(f) Turn the motor relay off and release the brake pedal.
4. INSPECT OTHER WHEEL OPERATION
(a) Using the same procedure, check the solenoids for the other wheels.
HINT:
- Front left wheel: SFLH, SFLR
- Rear right wheel: SRRH, SRRR
- Rear left wheel: SRLH, SRLR
Components
COMPONENTS ILLUSTRATION
*1 FRONT NO. 1 VENTILATOR SEAL *2 WATER GUARD PLATE RH *3 OUTER COWL TOP PANEL SUB-ASSEMBLY - -
N*m (kgf*cm, ft...
Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the brake actuator assembly removal/installation are shown below...
Other information:
Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Parts Location
PARTS LOCATION ILLUSTRATION *1 FRONT AIRBAG SENSOR LH *2 FRONT AIRBAG SENSOR RH *3 SIDE AIRBAG PRESSURE SENSOR LH *4 SIDE AIRBAG PRESSURE SENSOR RH *5 NO. 1 SIDE AIRBAG SENSOR LH *6 NO. 1 SIDE AIRBAG SENSOR RH ILLUSTRATION *1 FRONT SEAT OUTER BELT ASSEMBLY LH *2 FRONT SEAT OUTER BELT ASSEMBLY RH *3 CURTAIN SHIELD AIRBAG ASSEMBLY LH *4 CURTAIN SHIELD AIRBAG ASSEMBLY RH ILLUSTRATION *1 AIRBAG SENSOR ASSEMBLY *2 HORN BUTTON ASSEMBLY *3 SPIRAL CABLE SUB-ASSEMBLY *4 INSTRUMENT PANEL PASSENGER WITHOUT DOOR AIRBAG ASSEMBLY *5 FRONT SEAT AIRBAG ASSEMBLY LH *6 FRONT SEAT AIRBAG ASSEMBLY RH *7 TELLTALE LIGHT ASSEMBLY - PASSENGER AIRBAG ON/OFF INDICATOR *8 AIRBAG CUT OFF SWITCH CYLINDER SUB-ASSEMBLY *9 COMBINATION METER ASSEMBLY - SRS WARNING LIGHT *10 DLC3 *11 POWER DISTRIBUTION BOX ASSEMBLY - A/BAG-IGR FUSE - ECU-IGR NO...
Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Components
COMPONENTS ILLUSTRATION *A w/ Pre-collision System *B w/o Pre-collision System *1 INNER REAR VIEW MIRROR ASSEMBLY *2 INNER REAR VIEW MIRROR STAY HOLDER COVER *3 NO. 1 FORWARD RECOGNITION COVER *4 NO. 2 FORWARD RECOGNITION COVER N*m (kgf*cm, ft...
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Front Seat Belt Pretensioners
The front seat belt pretensioners are designed to deploy in moderate or severe frontal, near frontal collisions.
In addition, the pretensioners operate when a side collision or a rollover accident is detected. The pretensioners operate differently depending on what types of air bags are equipped. For more details about the seat belt pretensioner operation, refer to the SRS Air Bag Deployment Criteria.
