Exterior Lighting Data List

WARNING: This page is about a different car, the 2006 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.

Ambient Light Sensor: The scan tool displays Volts. When the ambient light is high the voltage is high.
Ambient Light Status: The scan tool displays Night/Day/Unknown/Invalid.
Auto Hdlp. disable Sw.: The scan tool displays Inactive/Active. The scan tool only displays active when the switch in rotated and held in position. When the switch is rotated, the scan tool displays active for auto lts. ON and for auto lts. OFF.
Auto Hdlp. disable Sw.: The scan tool displays Inactive/Active.
Backup Lamps: The scan tool displays On/Off.
Brake Applied Output Signal: The scan tool displays On/Off. This output of the BCM is displayed as ON when the brake pedal is applied.
Flash to Pass Switch: The scan tool displays Inactive/Active. When the flash to pass switch is activated, the scan tool will display Active until the switch is released. Flash to pass does not operate if the head light switch is in the Auto, OFF or running lights only position.
Front Fog lamp Relay Command: The scan tool displays ON/OFF. When the fog lamp switch is placed in the ON position, the scan tool will display ON.
Front Fog Lamp Switch: The scan tool displays Inactive/Active. This output of the BCM is displayed as Active as long as the switch is pressed and held.
Hazard Lamp Switch: The scan tool displays Inactive/Active. When the hazard switch is placed in the ON position, the scan tool will display Active.
Headlamp Switch: The scan tool displays Inactive/Active. When the headlamp switch is used to manually select head lights, the scan tool will display active.
High Beam Relay Command: The scan tool displays ON/OFF. When the dimmer switch is activated, the scan tool will display ON. Auto or manual lights must be on for this parameter.
High Beam Select Switch: The scan tool displays Inactive/Active. When dimmer switch is activated the scan tool displays active even if lights are not ON.
Left Cornering Lamp Command: The scan tool displays ON/OFF. When the turn signal switch is placed in the LEFT turn position, the scan tool will display ON. Head light switch auto position must be selected when viewing this parameter.
Left Turn Signal Switch: The scan tool displays Inactive/Active. When the turn signal switch is placed in the LEFT turn position, the scan tool will display Active.
LF Turn Signal: The scan tool displays ON/OFF. This output of the BCM constantly switches from ON to OFF as long as the left turn position is selected.
LR Turn Signal: The scan tool displays ON/OFF. This output of the BCM constantly switches from ON to OFF as long as the left turn position is selected.
Low Beam Relay Command: The scan tool displays ON/OFF. Displays ON when auto or manual head light switch positions are selected.
Park Lamp Relay Command: The scan tool displays ON/OFF. When the headlamp switch is in any position other than OFF the scan tool will display ON.
Park Lamp Switch: The scan tool display Inactive/Active. When the park brake is applied, the scan tool will display ON.
Right Cornering Lamp Command: The scan tool displays ON/OFF. When the turn signal switch is placed in the RIGHT turn position, the scan tool will display ON. Head light switch auto position must be selected when viewing this parameter.
Right Turn Signal Switch: The scan tool displays Inactive/Active. When the turn signal switch is placed in the RIGHT turn position, the scan tool will display Active.
RF Turn Signal: The scan tool displays ON/OFF. This output of the BCM constantly switches from ON to OFF as long as the right turn position is selected.
RR Turn Signal: The scan tool displays ON/OFF. This output of the BCM constantly switches from ON to OFF as long as the right turn position is selected.
Stop Lamp Relay Command: The scan tool displays ON/OFF. This output of the BCM is displayed as ON when the brakes are applied.