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Home >> Toyota >> 2021 >> 4Runner Limited, RWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Hydraulic) - Service Information >> BRAKE PEDAL (for Vacuum Brake Booster) >> On-Vehicle Inspection [08/2015 - ] >> Procedure

On-Vehicle Inspection [08/2015 - ]: Procedure

  1. INSPECT BRAKE PEDAL LOAD SENSING SWITCH 

    HINT: 

    • Do not remove the brake pedal load sensing switch from the brake pedal lever sub-assembly.
    • When there is a malfunction in the brake pedal load sensing switch, replace the brake pedal lever sub-assembly.
    • The illustration below is for LHD vehicles. Check the brake pedal load sensing switch for RHD vehicles using the same procedure as for LHD vehicles.
    1. Disconnect the brake pedal load sensing switch connector.
      GTY736482Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Brake Pedal Load Sensing Switch *2 Brake Pedal Support Assembly
      *a Brake Pedal Released (ON) *b Brake Pedal Depressed (OFF)
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      2 (FSW+) - 1(FSW-) Brake pedal depressed 0.9 to 1.1 kΩ
      Brake pedal released 192 to 234 Ω

      If the result is not as specified, replace the brake pedal support assembly (Refer to REMOVAL [08/2015 - ] ).