WARNING: This page is about a different car, the 2003 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Power Steering System Test Procedure Table (Steps 1 - 4)
Courtesy of GENERAL MOTORS CORP.
Fig 2: Power Steering System Test Procedure Table (Steps 5 - 14)
Courtesy of GENERAL MOTORS CORP.
Fig 3: Power Steering System Test Procedure Table (Steps 15 - 16)