WARNING: This page is about a different car, the 2003 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Fog Lamps Inoperative-Rear Diagnostic Specifications (1 of 4)
Courtesy of GENERAL MOTORS CORP.
Fig 2: Fog Lamps Inoperative-Rear Diagnostic Specifications (2 of 4)
Courtesy of GENERAL MOTORS CORP.
Fig 3: Fog Lamps Inoperative-Rear Diagnostic Specifications (3 of 4)
Courtesy of GENERAL MOTORS CORP.
Fig 4: Fog Lamps Inoperative-Rear Diagnostic Specifications (4 of 4)