Brake Warning System

Brake Warning System Description and Operation

Brake System Indicators

BRAKE

The IPC illuminates the BRAKE indicator and sends a serial data message in order to activate an audible warning when the following occurs:

* The IPC detects that the park brake is applied-signal circuit is low.
* The IPC detects a low brake fluid condition-signal circuit is low.
* The electronic brake control module (EBCM) detects a malfunction with the antilock brake system. The IPC receives a serial data message from the EBCM requesting illumination.
* The IPC detects a loss of communications with the EBCM and the discrete back-up ABS indicator signal is open.
* The IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 5 seconds.
* The brake indicator will flash to indicate a fault with the electroinc park brake system with the ignition key in the ON or OFF position.

CHECK BRAKE FLUID

The IPC illuminates the CHECK BRAKE FLUID indicator in the DIC and sends a serial data message in order to activate an audible warning when the IPC detects a that the brake fluid level is below the normal operating range.