GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Yukon - 2WD 🢒 Engine 🢒 Engine Controls and Fuel - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L 🢒 Engine Controls Schematics
Figure 1:

Module Power, Ground, Serial Data, and MIL
Object Number: 2074716 Size: FS
Figure 2:

Engine Data Sensors - 5-Volt and Low Reference
Object Number: 2074718 Size: FS
Figure 3:

Engine Data Sensors - Pressure and Temperature
Object Number: 2074720 Size: FS
Figure 4:

Engine Data Sensors - Oxygen Sensors
Object Number: 2074722 Size: FS
Figure 5:

Engine Data Sensors - Throttle Controls
Object Number: 2074725 Size: FS
Figure 6:

Ignition Controls - Ignition System Coils 1, 3, 5, and 7
Object Number: 2074918 Size: FS
Figure 7:

Ignition Controls - Ignition System Coils 2, 4, 6, and 8
Object Number: 2074920 Size: FS
Figure 8:

Ignition Controls - Sensors and Active Fuel Management (AFM) Controls
Object Number: 2074925 Size: FS
Figure 9:

Fuel Controls - Fuel Pump Controls (LY6)
Object Number: 2074929 Size: FS
Figure 10:

Fuel Pump Flow Control Module (except LY6)
Object Number: 2074933 Size: FS
Figure 11:

Fuel Controls - Fuel Injectors
Object Number: 2074937 Size: FS
Figure 12:

Fuel Controls - EVAP Controls
Object Number: 2074939 Size: FS
Figure 13:

Controlled/Monitored Subsystem References
Object Number: 2074951 Size: FS