Toyota Yaris: Brake Booster / Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE BRAKE VACUUM CHECK VALVE ASSEMBLY
(a) Remove the brake vacuum check valve assembly from the brake booster assembly.
(b) Remove the check valve grommet from the brake booster assembly.
2. REMOVE VACUUM SENSOR ASSEMBLY
| (a) Remove the vacuum sensor assembly from the brake booster assembly. | |
(b) Remove the vacuum sensor grommet from the brake booster assembly.
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT BRAKE BOOSTER ASSEMBLY (a) Airtightness check (1) Start the engine and stop it after 1 or 2 minutes. Slowly depress the brake pedal several times...
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...
Other information:
SYSTEM DESCRIPTION LOAD OPERATION OUTPUT (a) Load is turned on or off according to the operation signals and switch signals from each ECU. Components Semiconductor Power Integration ECU Power Distribution Box Assembly Operation Signal Communication Support
*1: w/ Front Seat Heater
*2: Built into power distribution box assembly Headlight ECU Assembly ○ - Not supported Fog Light Assembly ○ - Supported Rear Window Defogger / Mirror Heater - ○ Supported Taillight - ○ Supported Rear Fog Light - ○ Supported Back-up Light - ○ Not supported Outer Rear View Mirror Assembly - ○ Supported Panel Illumination - ○ Supported Seat Heater LH*1 High/Low - ○ Not supported Seat Heater RH*1 High/Low - ○ Not supported Passenger Seat Buckle Switch Delegated Input - ○ - Occupant Detection Sensor Delegated Input - ○ - Rear Seat RH Buckle Switch Delegated Input - ○ - Rear Seat CTR Buckle Switch Delegated Input - ○ - Rear Seat LH Buckle Switch Delegated Input - ○ - IGR Relay*2 - ○ Not supported SEMICONDUCTOR FUSE FUNCTION (a) When a malfunction current occurs during load operation, the current is shut off before the electrical lines emit smoke, and then load is turned off...
DESCRIPTION Operate the AWD control switch (No. 2 combination switch assembly) and check that the Data List display and the messages in the multi-information display change according to the switch operation. WIRING DIAGRAM
CAUTION / NOTICE / HINT NOTICE: Before replacing the ECM, refer to Registration...
Categories
WARNING
When removing the fuel-filler cap, loosen the cap slightly and wait
for
any hissing to stop, then remove it
Fuel spray is dangerous. Fuel can burn skin and eyes and cause illness
if
ingested. Fuel spray is released when there is pressure in the fuel tank and
the fuel-filler cap is removed too quickly.
read more