When Monitored and Set Condition:
WARNING: This page is about a different car, the 2004 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
When Monitored: With the CTM Awake.
Set Condition: The CTM detects 0 (zero) volts on the High Beam Indicator circuit when the ignition is on and the Headlamp Switch is in the off position. (NOTE: High Beam Headlamps will operate. The indicator will be inoperative.)