Condition 2
WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
The HO2S 1 voltage is between 600-1,150 mV (520-1,150 mV for LLT) and the corresponding HO2S 2 voltage is less than 100 mV for greater than 1 seconds.