July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Inspection/Maintenance Heated Oxygen Sensor/Oxygen Sensor System Set Procedure: Procedure

WARNING: This page is about a different car, the 2003 GMC Savana and 2003 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Inspection/Maintenance Heated Oxygen Sensor/Oxygen Sensor (HO2S/O2S) System Set Procedure

Courtesy of GENERAL MOTORS CORP.