GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2006 🢒 Cobalt 🢒 Vehicle Control Systems 🢒 Computer/Integrating Systems 🢒 Data Link Connector Schematics
Figure 1:

DLC Power, Ground, and Low Speed GMLAN
Object Number: 1582430 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
High Speed GMLAN
RUN/CRANK Relay, I/P IGN, BACKUP, ABS, ECM, TRANS, LIGHTING, S-BAND, MIRROR, ABS, EPS, BCM2, BCM3, HEATED SEATS Fuses
RUN/CRANK Relay, I/P IGN, BACKUP, ABS, ECM, TRANS, LIGHTING, S-BAND, MIRROR, ABS, EPS, BCM2, BCM3, HEATED SEATS Fuses
G201
G109, G203, G306
Computer/Integrating Systems Schematic Icons
Figure 2:

DLC High Speed, Serial Data Class 2
Object Number: 1582431 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
DLC Power, Ground, and Low Speed GMLAN
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons