Description & Operation (Indicator/Warning Messages): Brake
The IPC illuminates the BRAKE indicator and sends a class 2 message in order to activate an audible warning when the IPC detects that the parking brake is applied (signal circuit is low), IPC detects a low brake fluid condition (signal circuit is low), electronic brake control module (EBCM) detects a malfunction with the anti-lock brake system, IPC receives a class 2 message from the EBCM requesting illumination or the IPC detects a loss of communications with the EBCM and the discrete back-up ABS indicator signal is open. IPC performs the displays test at the start of each ignition cycle and indicator illuminates for approximately 3 seconds.