System Operation

The brake system continuously monitors all of its components. It uses several methods of determining a fault and notifying the driver of a system malfunction. A functional check of the ABS electrical circuitry is performed when the vehicle is started. As the vehicle speed reaches 6 km/h (4 mph) a functional check of the brake pressure modulator valve takes place. During this check, each valve is cycled and the pump motor is turned on briefly. The driver may hear and feel this check take place when the vehicle begins to move. This test will occur only once per ignition cycle and should be considered normal operation.

Two methods are used to inform the driver that a malfunction has occurred in the brake system. The BRAKE warning indicator and the ABS indicator, both located on the front of the instrument panel, will notify the driver if a problem exists in the brake system or if a problem exists with the antilock portion of the brake system. The TC indicator is also located on the instrument panel. The TC indicator will flash to inform the driver that traction control is in operation; or will turn on steady to inform the driver that a malfunction has occurred or that the system has been turned off. Indicator operation are described below.