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

Power, Ground, MIL, Communication
Object Number: 2077390 Size: FS
Figure 2:

5-Volt and Low Reference Bussing
Object Number: 2077391 Size: FS
Figure 3:

Engine Data Sensors - Pressure, Temperature
Object Number: 2077392 Size: FS
Figure 4:

Engine Data Sensors - MAF/IAT, CKP, KS, CMP, VSS
Object Number: 2077393 Size: FS
Figure 5:

Engine Data Sensors - Heated Oxygen Sensors (HO2S)
Object Number: 2077394 Size: FS
Figure 6:

Engine Data Sensors - APP, TAC
Object Number: 2077396 Size: FS
Figure 7:

Ignition Controls - Ignition System
Object Number: 2077397 Size: FS
Figure 8:

Fuel Delivery
Object Number: 2077398 Size: FS
Figure 9:

Engine Data Sensors - EVAP, Aftercooler Pump, Supercharger Control
Object Number: 2077399 Size: FS
Figure 10:

Controlled/Monitored Subsystem References
Object Number: 2077400 Size: FS