WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Instrument Panel Cluster (IPC) Scan Tool Data List
Courtesy of GENERAL MOTORS CORP.
Fig 2: Powertrain Control Module (PCM) Scan Tool Data List (4.3 Liter L35)
Courtesy of GENERAL MOTORS CORP.
Fig 3: Powertrain Control Module (PCM) Scan Tool Data List (4.3 Liter LF6)