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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Hydraulic) - Service Information >> BRAKE BOOSTER (for HV Model) >> Installation [11/2023 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:
  • After replacing the brake booster with master cylinder assembly, make sure to perform update ECU security key.
  • After performing the update ECU security key procedure, make sure to perform the initialization procedure for when the cable has been disconnected and reconnected to the negative (-) auxiliary battery terminal.
  • Do not carry the brake master cylinder with pump assembly by the parts shown in the illustration.
    GTY892244Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *1 No. 1 Skid Control ECU
    *2 Reservoir Hose
    *3 Master Cylinder Push Rod Clevis
    *4 Boot
    *5 Reservoir
    *6 No. 1 Brake Actuator Tube
    *7 No. 1 Wire Clamp Bracket
    *8 Brake Booster with Accumulator Pump Assembly