WARNING: This page is about a different car, the 2003 Cadillac Seville and 2003 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Locating Secondary Air Injection (AIR) Pump
Courtesy of GENERAL MOTORS CORP.
Fig 2: Locating AIR Relay
Courtesy of GENERAL MOTORS CORP.
Fig 3: Locating AIR Solenoid & Bank 1 AIR Shut Off Valve
Courtesy of GENERAL MOTORS CORP.
Fig 4: Locating Bank 2 AIR Shut Off Valve
Courtesy of GENERAL MOTORS CORP.
Fig 5: Locating ECT, IAC, MAP & TP Sensors
Courtesy of GENERAL MOTORS CORP.
Fig 6: Locating Engine Oil Pressure & Engine Oil Level Switches, & CKP Sensor A & CKP Sensor B
Courtesy of GENERAL MOTORS CORP.
Fig 7: Locating EVAP Canister
Courtesy of GENERAL MOTORS CORP.
Fig 8: Locating EVAP Purge Solenoid & EGR Valve
Courtesy of GENERAL MOTORS CORP.
Fig 9: Locating EVAP Vent Valve
Courtesy of GENERAL MOTORS CORP.
Fig 10: Locating FTP Sensor
Courtesy of GENERAL MOTORS CORP.
Fig 11: Locating Fuel Pump Relay
Courtesy of GENERAL MOTORS CORP.
Fig 12: Locating HO2S Bank 1, Sensor 1 & CMP
Courtesy of GENERAL MOTORS CORP.
Fig 13: Locating HO2S Bank 2, Sensor 1
Courtesy of GENERAL MOTORS CORP.
Fig 14: Locating HO2S Bank 1, Sensor 2
Courtesy of GENERAL MOTORS CORP.
Fig 15: Locating IAC Valve & TP Sensor
Courtesy of GENERAL MOTORS CORP.
Fig 16: Locating Ignition Control Module (Front Shown, Rear Similar)