GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2009 🢒 H3 🢒 Engine 🢒 Engine Controls and Fuel - 3.7L 🢒 Engine Controls Schematics
Figure 1:

Module Power, Ground, Serial Data and MIL
Object Number: 2080290 Size: FS
Figure 2:

Engine Data Sensors - 5-Volt and Low Reference
Object Number: 2080296 Size: FS
Figure 3:

Engine Data Sensors - Pressure, Temperature, and Throttle Controls
Object Number: 2080300 Size: FS
Figure 4:

Engine Data Sensors - HO2S
Object Number: 2080303 Size: FS
Figure 5:

Engine Data Sensors - Electronic Throttle Control
Object Number: 2175479 Size: FS
Figure 6:

Ignition Controls - Sensors
Object Number: 2080306 Size: FS
Figure 7:

Ignition Controls - Ignition System Coils
Object Number: 2080309 Size: FS
Figure 8:

Fuel Controls - Fuel Pump Controls
Object Number: 2080312 Size: FS
Figure 9:

Fuel Controls - Fuel Pump Controls
Object Number: 2108020 Size: FS
Figure 10:

Fuel Controls - Fuel Injectors
Object Number: 2080314 Size: FS
Figure 11:

Device Controls - Secondary AIR Injection - K18
Object Number: 2080319 Size: FS
Figure 12:

Controlled/Monitored Subsystem References
Object Number: 2080325 Size: FS