Brake Warning System Description and Operation

Brake Warning System Description and Operation

Brake System Indicators

BRAKE
The IPC illuminates the BRAKE indicator when any of the following occur:
^ The IPC detects that the park brake is engaged. If the vehicle travels 3 - 15.2 meters (10 - 50 feet) with the park brake engaged, the IPC sends a class 2 message to the radio in order to activate an audible warning.
^ The IPC detects a low brake fluid condition. The IPC sends a class 2 message to the radio in order to activate an audible warning.
^ The electronic brake control module (EBCM) detects a failure in the braking system. The IPC receives a class 2 message from the EBCM requesting illumination. The IPC sends a class 2 message to the radio in order to activate an audible warning.
^ The IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 5 seconds.
^ The IPC detects a loss of class 2 communications with the EBCM and the discrete back-up ABS indicator signal circuit is high.

LOW BRAKE FLUID - 14
The DIC displays the LOW BRAKE FLUID - 14 message when the ]PC detects a low brake fluid condition. The DIC receives a class 2 message from the IPC requesting illumination.

PARK BRAKE SET - 20
The DIC displays the PARK BRAKE SET - 20 message when the IPC detects that the park brake is engaged with the vehicle in Park or Neutral.