GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 SLS 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 Engine Controls Schematics
Figure 1:

ECM Power, Ground, Serial Data and MIL
Object Number: 2015014 Size: FS
Figure 2:

Engine Data Sensors - 5-Volt and Low Reference
Object Number: 2015018 Size: FS
Figure 3:

Engine Data Sensors - Pressure, Temperature, MAF, VSS
Object Number: 2015021 Size: FS
Figure 4:

Engine Data Sensors - Oxygen Sensors
Object Number: 2015023 Size: FS
Figure 5:

Engine Data Sensors - Electronic Throttle Controls
Object Number: 2015025 Size: FS
Figure 6:

Ignition Controls - Ignition System Bank 1
Object Number: 2015028 Size: FS
Figure 7:

Ignition Controls - Ignition System Bank 2
Object Number: 2015032 Size: FS
Figure 8:

Ignition Controls - CMP Sensors and Solenoids
Object Number: 2015033 Size: FS
Figure 9:

Crankshaft Position (CKP) Sensor and Knock Sensors
Object Number: 2015039 Size: FS
Figure 10:

Fuel Controls - Injectors and Pump
Object Number: 2015041 Size: FS
Figure 11:

Fuel Controls - EVAP and Fuel Tank Pressure (FTP) Sensor
Object Number: 2015043 Size: FS
Figure 12:

Controlled/Monitored Subsystem References
Object Number: 2015044 Size: FS