GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Power, Ground, Serial Data, and MIL


Object Number: 1907051  Size: FS
Master Electrical Component List
Engine Control Module Description
Control Module References
Engine Data Sensors - 5-Volt and Low References
Figure 2:

Engine Data Sensors - 5-Volt and Low Reference


Object Number: 1907054  Size: FS
Master Electrical Component List
Engine Control Module Description
Control Module References
Engine Data Sensors - Pressure and Temperature
Power, Ground, Serial Data, and MIL
Figure 3:

Engine Data Sensors - Pressure and Temperature


Object Number: 1907056  Size: FS
Master Electrical Component List
Engine Control Module Description
Control Module References
Engine Data Sensors - Throttle Controls
Engine Data Sensors - 5-Volt and Low References
Figure 4:

Engine Data Sensors - Throttle Controls


Object Number: 1907068  Size: FS
Master Electrical Component List
Engine Control Module Description
Control Module References
Engine Data Sensors - Heated Oxygen Sensors
Engine Data Sensors - Pressure and Temperature
Figure 5:

Engine Data Sensors - Heated Oxygen Sensors


Object Number: 1907059  Size: FS
Master Electrical Component List
Engine Control Module Description
Control Module References
Engine Data Sensors - Throttle Controls
Engine Data Sensors - Throttle Controls
Figure 6:

Ignition Controls - Ignition System Coils


Object Number: 1907061  Size: FS
Master Electrical Component List
Engine Control Module Description
Control Module References
Ignition Controls - Sensors
Engine Data Sensors - Throttle Controls
Figure 7:

Ignition Controls - Sensors


Object Number: 1907065  Size: FS
Master Electrical Component List
Engine Control Module Description
Control Module References
Fuel Controls - Fuel Injectors
Ignition Controls - Ignition System Coils
Figure 8:

Fuel Controls - Fuel Injectors


Object Number: 1907070  Size: FS
Master Electrical Component List
Engine Control Module Description
Control Module References
Fuel Controls - Fuel Pump and EVAP Controls
Ignition Controls - Sensors
Figure 9:

Fuel Controls - Fuel Pump and EVAP Controls


Object Number: 1907072  Size: FS
Master Electrical Component List
Engine Control Module Description
Control Module References
Device Controls - Secondary Air Injection K18
Fuel Controls - Fuel Injectors
Figure 10:

Device Controls - Secondary Air Injection K18


Object Number: 1907074  Size: FS
Master Electrical Component List
Engine Control Module Description
Control Module References
Controlled/Monitored Subsystem References
Fuel Controls - Fuel Pump and EVAP Controls
Figure 11:

Controlled/Monitored Subsystem References


Object Number: 1907079  Size: FS
Master Electrical Component List
Engine Control Module Description
Control Module References
Device Controls - Secondary Air Injection K18