Lexus IS250 · Service Manual BRAKE

ON-VEHICLE INSPECTION

Inspection


INSPECT BRAKE PEDAL LOAD SENSING SWITCH

NOTICE:
  1. Do not remove the brake pedal load sensing switch from the brake pedal sub-assembly.
  2. When there is a malfunction in the brake pedal load sensing switch, replace the brake pedal sub-assembly.

  1. Disconnect the brake pedal load sensing switch connector.

    C106569E05

  1. Measure the resistance according to the value(s) in the table below.

    Standard resistance:
    Tester Connection
    		 Condition
    		 Specified Condition
    1 - 2
    		 Brake pedal depressed
    		 0.9 to 1.1 kΩ
    1 - 2
    		 Brake pedal released
    		 192 to 234 Ω

    If the value is not as specified, replace the brake pedal load sensing switch.

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