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

Power, Ground, Class 2 and High Speed Serial Data
Object Number: 1500928 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
Low Speed Serial Data
Underhood Junction Block - IBCM Batt1, BCM - Radio/RFA, Ignigion Sensor, HVAC BATT, Cluster/Theft, Air Bag Batt Fuses
Underhood Junction Block - IBCM Batt1, BCM - Radio/RFA, Ignigion Sensor, HVAC BATT, Cluster/Theft, Air Bag Batt Fuses
G203
G201
Figure 2:

Low Speed Serial Data
Object Number: 1500930 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
Power, Ground, Class 2 and High Speed Serial Data
SIR Caution for Zoning