When Monitored and Set Condition:
WARNING: This page is about a different car, the 2004 Dodge Pickup and 2004 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
When Monitored: Continuously when the ignition is on and battery voltage is greater than 10.4 volts.
Set Condition: The state of the solenoid circuit does not match the PCM's desired state.