GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2009 🢒 H3 🢒 Power and Signal Distribution 🢒 Data Communications 🢒 Engine Controls Schematics
Figure 1:

Module Power, Ground, Serial Data and MIL
Object Number: 2080328 Size: FS
Figure 2:

Engine Data Sensors - 5-Volt and Low Reference
Object Number: 2080331 Size: FS
Figure 3:

Engine Data Sensors - Pressure and Temperature
Object Number: 2080333 Size: FS
Figure 4:

Engine Data Sensors - HO2S
Object Number: 2080336 Size: FS
Figure 5:

Engine Data Sensors - Electronic Throttle Control
Object Number: 2080338 Size: FS
Figure 6:

Ignition Controls - Ignition Coils 1, 3, 5, and 7
Object Number: 2080341 Size: FS
Figure 7:

Ignition Controls - Ignition Coils 2, 4, 6, and 8
Object Number: 2080346 Size: FS
Figure 8:

Ignition Controls - Sensors
Object Number: 2080350 Size: FS
Figure 9:

Fuel Controls - Fuel Pump and EVAP Controls
Object Number: 2080355 Size: FS
Figure 10:

Fuel Controls - Fuel Pump and EVAP Controls
Object Number: 2108029 Size: FS
Figure 11:

Fuel Controls - Fuel Injectors
Object Number: 2080358 Size: FS
Figure 12:

Controlled/Monitored Subsystem References
Object Number: 2080362 Size: FS