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Home >> Lexus >> 2003 >> IS 300 Base, Automatic >> Repair and Diagnosis >> Electrical >> Gauges >> Instrument Panel >> Component Tests >> Brake Warning Light
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Brake Warning Light

  1. Disconnect the connector from the brake fluid warning switch.
  2. Release the parking brake pedal.
  3. Connect the terminals on the wiring harness side of the level warning switch connector.
  4. Start the engine and check that the warning light lights up. If the warning light does not light up, test the bulb or wiring harness.