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Inspection [12/2019 - ]: Procedure

  1. INSPECT BRAKE VACUUM CHECK VALVE ASSEMBLY 
    1. 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.
      GTY442608Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Ventilation
      *b No Ventilation
      *c Engine Side
      *d Brake Booster Assembly Side

      HINT: 

      If the result is not as specified, replace the brake vacuum check valve assembly.