GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Lumina Ute 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Data Communication Schematics
Figure 1:

Pin Allocation
Object Number: 2012515 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
Pin Allocation
Rear Main 1, Amplifier, Phone, Radio/Infotainment and INST/DISP/RFA/DLC Fuses
G201
Intlatable Restraint Sensing and Diagnostic Module and Inflatable Restraint Sensors, Power, Ground, Serial Data, Inputs and Outputs
Radio and AM/FM Antenna
Instrument Cluster Power, Ground, Serial Data, Inputs and Outputs
Bluetooth System
Secondary Information Center/Sports Gauges Power, Ground and Serial Data
Theft Deterrent Module, Power, Ground, Serial Data
HVAC Module, Power, Ground, Serial Data, Inputs and Outputs
Body Control Module and Ignition Switch, Power, Ground, Inputs and Outputs
Module Power, Ground and Serial Data
TCM and Transmission, Power, Ground, Serial Data, Inputs and Outputs
Figure 2:

Pin Allocation
Object Number: 2012517 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
GM LAN Layout
Pin Allocation
Rear Main 1, Amplifier, Phone, Radio/Infotainment and INST/DISP/RFA/DLC Fuses
G201
Figure 3:

GM LAN Layout
Object Number: 2012516 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
Pin Allocation