LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 1999 >> Envoy >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel - Analog >> Operation >> Indicator Lights >> Anti-Lock

Indicator Lights: Anti-Lock

Light Emitting Diode (LED) is controlled by Instrument Panel Cluster (IPC), using information sent by Electronic Brake Control Module (EBCM) on Class 2 serial data line. If light is on, brake system will still operate, but without anti-lock assistance. As a check, LED illuminates for 3 seconds after ignition is turned on. LED illuminates when one or more of the following conditions exists:

WARNING: If BRAKE light is on, ensure brake hydraulic system is okay before driving vehicle.