GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2005 🢒 STS 🢒 Vehicle Control Systems 🢒 Computer/Integrating Systems 🢒 Data Link Connector Schematics
Figure 1:

GMLAN - High Speed, Domestic W/UE1
Object Number: 1349886 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
GMLAN High Speed - Domestic w/UE1 and F55
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
Figure 2:

GMLAN - High Speed, Domestic W/UE1, F55
Object Number: 1397466 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
GMLAN High Speed - Domestic w/UE1,K59,F55
GMLAN High Speed - Domestic w/UE1
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
Figure 3:

GMLAN - High Speed, Domestic W/UE1, K59, F55
Object Number: 1349862 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
GMLAN High Speed - Export w/TT7/TT8
GMLAN High Speed - Domestic w/UE1 and F55
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
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Figure 4:

GMLAN - High Speed, Export W/TT7, TT8
Object Number: 1349894 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
GMLAN High Speed - Export w/TT7/TT8, F55
GMLAN High Speed - Domestic w/UE1,K59,F55
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
Figure 5:

GMLAN - High Speed, Export W/TT7, TT8, F55
Object Number: 1397465 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
GMLAN High Speed - Export w/TT7/TT8, F55, K59
GMLAN High Speed - Export w/TT7/TT8
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
Figure 6:

GMLAN - High Speed, Export W/TT7, TT8, F55, K59
Object Number: 1349899 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
GMLAN Low Speed 1 of 2
GMLAN High Speed - Export w/TT7/TT8, F55
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
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Figure 7:

GMLAN - Low Speed 1 of 2
Object Number: 1349906 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
GMLAN Low Speed 2 of 2
GMLAN High Speed - Export w/TT7/TT8, F55, K59
GMLAN Low Speed 2 of 2
Seat Belt Schematic Icons
GMLAN Low Speed 2 of 2
Figure 8:

GMLAN - Low Speed 2 of 2
Object Number: 1349905 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
GMLAN High Speed Serial Data Wake up
GMLAN Low Speed 1 of 2
GMLAN Low Speed 1 of 2
GMLAN Low Speed 1 of 2
Figure 9:

GMLAN - High Speed Serial Data Wake Up
Object Number: 1388026 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
GMLAN Low Speed 2 of 2