Brake Lamp - Range
Range ON /OFF:
This output refers to the commanded state of the BRAKE lamp illumination by the instrument cluster. ON is displayed when the instrument cluster is commanding the BRAKE lamp to be illuminated. OFF is displayed when the instrument cluster is not commanding the BRAKE lamp to be illuminated. The instrument cluster will command the BRAKE lamp to be illuminated under the following conditions:
^ The BRAKE lamp will flash when the instrument cluster receives a class 2 message from the body control module (BCM) that the parking brake is set.
^ When the instrument cluster receives a class 2 message from the electronic brake control module (EBCM) that there is a problem with the base brake system (non-ABS portion).
^ During the bulb check period for 3 seconds after the ignition switch is first turned to the RUN position.