Toyota Yaris: Brake Master Cylinder / Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE BRAKE MASTER CYLINDER RING PIN
(a) Secure the brake master cylinder sub-assembly in a vise.
NOTICE:
Place aluminum plates on the vise to prevent damage to the brake master cylinder sub-assembly.
| (b) Using a 5 mm pin punch and a hammer, tap out the brake master cylinder ring pin from the brake master cylinder sub-assembly. NOTICE: Do not drop the brake master cylinder reservoir assembly. | |
2. REMOVE BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY
(a) Remove the brake master cylinder reservoir assembly from the brake master cylinder body.
3. REMOVE MASTER CYLINDER RESERVOIR GROMMET
| (a) Remove the 2 master cylinder reservoir grommets from the brake master cylinder body. | |
(b) Remove the brake master cylinder body from the vise.
4. REMOVE BRAKE MASTER CYLINDER RESERVOIR FILLER CAP ASSEMBLY
(a) Remove the brake master cylinder reservoir filler cap assembly from the brake master cylinder reservoir assembly.
5. REMOVE BRAKE MASTER CYLINDER RESERVOIR STRAINER
(a) Remove the brake master cylinder reservoir strainer from the brake master cylinder reservoir assembly.
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 master cylinder sub-assembly removal/installation are shown below...
REASSEMBLY PROCEDURE 1. INSTALL BRAKE MASTER CYLINDER RESERVOIR STRAINER (a) Install the brake master cylinder reservoir strainer to the brake master cylinder reservoir assembly...
Other information:
TERMINALS OF ECU TERMINALS OF ECU
*a Component without harness connected (Skid Control ECU [Brake Actuator Assembly]) - - Terminal No. (Symbol) Terminal Description 1 (GND2) Pump motor ground 2 - (Not used) 3 - (Not used) 4 - (Not used) 5 (STP2) Stop light switch assembly input 6 - (Not used) 7 - (Not used) 8 - (Not used) 9 - (Not used) 10 (CANL) CAN communication line L 11 - (Not used) 12 (IGR) ECU power supply input 13 (BM) Motor relay power supply 14 (SP1) Speed signal output for speedometer 15 (RR-) Rear wheel speed RH (-) signal input 16 (RR+) Rear wheel speed RH (+) power supply output 17 (FL-) Front wheel speed LH (-) signal input 18 (FL+) Front wheel speed LH (+) power supply output 19 - (Not used) 20 - (Not used) 21 - (Not used) 22 (CANH) CAN communication line H 23 - (Not used) 24 - (Not used) 25 (GND1) Skid control ECU (brake actuator assembly) ground 26 (STPO) Stop light switch assembly output 27 - (Not used) 28 (RL-) Rear wheel speed LH (-) signal input 29 (RL+) Rear wheel speed LH (+) power supply output 30 (FR-) Front wheel speed RH (-) signal input 31 (FR+) Front wheel speed RH (+) power supply output 32 - (Not used) 33 (CSW) VSC OFF switch (combination switch assembly) input 34 - (Not used) 35 (STP) Stop light switch assembly input 36 (CA2H) CAN communication line H 37 (CA2L) CAN communication line L 38 (+BS) Solenoid relay power supply TERMINAL INSPECTION (a) Disconnect the A108 connector and measure the voltage or resistance on the wire harness side...
DESCRIPTION The light control LED ECU supplies internally boosted voltage to the light control LED ECU LH so that the current supplied to the LED is always maintained at a constant value. These DTCs are also output when the main body ECU (multiplex network body ECU) detects malfunctions while monitoring the applied voltage...
Categories
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)
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