Brake System Indicators: Brake: Notes

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 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 3 seconds.