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Home >> Lexus >> 2004 >> SC 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 67 (Instrument Panel) >> Component Tests >> Brake Warning Light
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Brake Warning Light

WARNING: This page is about a different car, the 2003 Lexus RX 300 and 2002 Lexus RX 300. However, it is still accessible from the selected car via links, so may be relevant.
  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, check that the warning light lights up. If the warning light does not light up, check the bulb circuit. See BULB CIRCUIT  under CIRCUIT TESTS.