WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Power Steering System Test Procedure (Step 1-2)
Courtesy of GENERAL MOTORS CORP.
Fig 2: Power Steering System Test Procedure (Step 3-11)
Courtesy of GENERAL MOTORS CORP.
Fig 3: Power Steering System Test Procedure (Step 12-14)