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Inspection [03/2017 - ]: Procedure

  1. INSPECT BRAKE BOOSTER WITH ACCUMULATOR PUMP ASSEMBLY 
    1. Check both the connector case and the terminal for deformation and corrosion.

      OK

      No deformation or corrosion.

    2. Measure the resistance according to the value(s) in the table below.
      GTY801536Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Brake Booster with Accumulator Pump Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      A2 (BM1) - A4 (GND1) Always Below 10 Ω
      B2 (BM2) - A4 (GND1) Below 10 Ω
      A2 (BM1) - B2 (BM2) Always Below 1 Ω
      A4 (GND1) -B1 (GND2) Below 1 Ω
      A2 (BM1) - A1 (MTT) Always 950 to 1050 Ω
      B2 (BM2) - A1 (MTT) 950 to 1050 Ω