Scan Tool Data Definitions: Outputs

WARNING: This page is about a different car, the 2004 Chevrolet Monte Carlo and 2004 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

Ambient Light Sensor Relay: The scan tool displays On/Off. This output of the BCM is displayed as On when the ambient light sensor voltage reference output is present.
Backup Lamp Relay: The scan tool displays Inactive/Active. This output of the BCM is displayed as Active, if the BCM commands the backup lamps on.
DRL Relay: The scan tool displays On/Off. This output of the BCM is displayed as On, if the BCM commands the DRL lamps On.
Fog Lamp Relay: The scan tool displays On/Off. This output of the BCM is displayed as On, if the BCM commands the fog lamps on.
Headlamp Relay: The scan tool displays On/Off. This output of the BCM is displayed as On, if the headlamps are turned on.
Inadvertent Power Relay: The scan tool displays Off or On. When the BCM is not commanding the inadvertent power relay On, the scan tool will display Off. When the BCM is commanding the inadvertent power relay On, the scan tool will display On.
Park Lamp Relay: The scan tool displays On/Off. This output of the BCM is displayed as On, if the BCM commands the park lamps On.
Theater Dimming: The scan tool displays On/Off. This output of the BCM is displayed as On when the courtesy lamps are turned on.