Brake Warning System Description and Operation (With Antilock Brake System)

Brake Warning System Description and Operation (With Antilock Brake System)

Brake Warning Indicator

The instrument cluster turns the brake warning indicator ON when the following occurs:

* The instrument cluster performs the bulb check. The brake warning indicator illuminates for 5 s.

* The electronic brake control module (EBCM) detects a fault and sends a serial data message to the instrument cluster requesting illumination.

* The body control module (BCM) detects that the parking brake is engaged. The instrument cluster receives a serial data message from the BCM requesting illumination.

DIC Message

The electronic brake control module (EBCM) detects a fault and sends a serial data message to the DIC requesting Brake Fluid Low message.