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

Module Power, Ground, Serial Data and MIL
Object Number: 2080329 Size: FS
Figure 2:

Engine Data Sensors - 5-Volt and Low Reference
Object Number: 2080337 Size: FS
Figure 3:

Engine Data Sensors - Pressure, Temperature and Position
Object Number: 2080352 Size: FS
Figure 4:

Engine Data Sensors - Oxygen Sensors (1 of 2)
Object Number: 2080364 Size: FS
Figure 5:

Engine Data Sensors - Oxygen Sensors (2 of 2)
Object Number: 2080368 Size: FS
Figure 6:

Throttle Controls
Object Number: 2080377 Size: FS
Figure 7:

Bank 1 Ignition Coils
Object Number: 2080383 Size: FS
Figure 8:

Bank 2 Ignition Coils
Object Number: 2080389 Size: FS
Figure 9:

Ignition Controls - CKP, CMP and Knock Sensors
Object Number: 2080393 Size: FS
Figure 10:

Fuel Pump Flow Control Module 5.3L
Object Number: 2080397 Size: FS
Figure 11:

Fuel Controls - Fuel Pump Controls
Object Number: 2080402 Size: FS
Figure 12:

Fuel Controls - Fuel Injectors
Object Number: 2080409 Size: FS
Figure 13:

Fuel Controls - EVAP and Device Controls
Object Number: 2080413 Size: FS
Figure 14:

Controlled/Monitored Subsystem and Transmission References
Object Number: 2080417 Size: FS