GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2006 🢒 Grand Am 🢒 Body 🢒 Wiring Systems 🢒 Engine Controls Schematics
Figure 1:

Power, Ground, Serial Data, and MIL
Object Number: 1391398 Size: FS
Figure 2:

5-Volt and Low Reference Bussing
Object Number: 1391424 Size: FS
Figure 3:

Engine Data Sensors - Pressure and Temperature
Object Number: 1391426 Size: FS
Figure 4:

Heated Oxygen Sensors
Object Number: 1391429 Size: FS
Figure 5:

Ignition System
Object Number: 1391432 Size: FS
Figure 6:

Fuel Pump Controls
Object Number: 1391433 Size: FS
Figure 7:

Fuel Injectors
Object Number: 1391434 Size: FS
Figure 8:

EVAP and IAC Controls
Object Number: 1391436 Size: FS
Figure 9:

Controlled/Monitored Subsystem References
Object Number: 1391437 Size: FS
Figure 10:

Transmission Controls - A/T
Object Number: 1261635 Size: FS