Brake System (Red) Warning Lamp
To check brake system warning lamp, turn ignition key to the Start position. The red warning lamp should glow momentarily. The warning lamp will also illuminate if the parking brake mechanism is not fully released. If warning lamp fails to glow, service of the electrical system is indicated. If warning lamp illuminates with ignition key in the Run position, check and repair conventional brake system as required. If conventional brake system is found to be operating properly, check anti-lock brake system for stored codes as outlined under ACCESSING FLASHOUT CODES AND CODE DESCRIPTION In certain instances both red and yellow warning lamps will glow simultaneously. If this occurs, check and repair conventional brake system as required. If red warning lamp continues to glow, refer to WARNING LAMP CONDITION CHART for proper diagnostic and testing procedures, then refer to Brakes and Traction Control/Brakes/Antilock Brake System/Testing and Inspection/Procedures/Pinpoint Test Charts Tests A through G, as required.