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Home >> Lexus >> 1990 >> LS 400 >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Adjustments >> Stoplight Switch

Stoplight Switch

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  1. Brake pedal height and free play must be set before adjusting stoplight switch. See BRAKE PEDAL HEIGHT & FREE PLAY under ADJUSTMENTS. Remove undercover panel. Remove lower pad and air duct. Remove power steering ECU.
  2. Loosen lock nut, and adjust stoplight switch until it lightly contacts brake pedal stopper in rest position. Ensure stoplights work correctly. Install air duct and undercover panel.