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Home >> Scion >> 2014 >> FR-S Standard Trans >> Repair and Diagnosis (Single Page) >> Brakes >> Mechanical - Hydraulic >> Brake System (Hydraulic) (Service Information) >> BRAKE PEDAL (for Automatic Transmission) >> Adjustment [07/2013 - ] >> Adjustment [07/2013 - ]

Adjustment [07/2013 - ]

  1. CHECK AND ADJUST BRAKE PEDAL HEIGHT 
    1. Check the pedal height.
      Fig 1: Locating Pedal Height
      GTY385560Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Clevis Lock Nut
      *2 Floor mat
      *a Pedal Height

      Standard Pedal Height from floor mat

      150mm (5.906in.)

    2. Adjust the pedal height.
      1. Remove the instrument side panel LH.
      2. Remove the No. 1 instrument panel under cover sub-assembly.
      3. Disconnect the connector from the stop light switch assembly.
      4. Remove the stop light switch assembly.
      5. Loosen the push rod clevis lock nut.
      6. Adjust the pedal height by turning the push rod.

        Standard Pedal Height from floor mat

        150mm (5.906in.)

      7. Tighten the push rod clevis lock nut.

        Torque: 19 N*m (194 kgf*cm, 14 ft.*lbf) 

      8. Install the stop light switch. Refer to INSTALLATION [07/2013 - ] .
      9. Connect the connector to the stop light switch assembly.
      10. Check that the stop light does not illuminate when the brake pedal is not stepped.
  2. CHECK BRAKE PEDAL FREE PLAY 
    1. Stop the engine. Depress the pedal several times until there is no vacuum in the booster. Then release the pedal.
      Fig 2: Identifying Pedal Free Play
      GTY386946Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Depress the pedal until resistance is felt.
    3. Check the pedal free play by measuring the distance between the position in the previous step and the pedal released position.

      Standard pedal free play

      0.5 to 2.0mm (0.020 to 0.079in.)

      TEXT IN ILLUSTRATION

      *a Pedal Free Play

      HINT: 

      If the pedal free play distance 1mm (0.039in.) or less, adjust the stop light switch assembly.

  3. CHECK BRAKE PEDAL RESERVE DISTANCE 
    1. Release the brake pedal. Start the engine, and when the pressure in the brake booster reaches 66.7 kPa (500 mmHg, 19.6 in.Hg), proceed with the next step.
    2. Depress the pedal and check the pedal reserve distance.
      Fig 3: Identifying Pedal Reserve Distance
      GTY393014Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Floor Mat
      *a Pedal Reserve Distance

      Standard Pedal Reserve Distance from the floor mat at 490 N (50 kgf, 110.2 lbf)

      More than 55 mm (2.165 in.)

      If the distance is not as specified, troubleshoot the brake system.

      HINT: 

      Check the brake pedal reserve distance at the same location as that used when checking the brake pedal height.

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