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

Power, Ground, and Serial Data Lines
Object Number: 1441170 Size: FS
Master Electrical Component List
Power Door Serial Data
BAT 1, RRINMDL, C/LTR, DRVMDL, HTDST L, TRK REL, PDM, SBM and CSTR/SBM Fuses
VIU and VCU Signals
G202 - 1 of 4
G202 - 4 of 4
Class 2 Serial Data Lines
Figure 2:

Power Door Serial Data
Object Number: 1410470 Size: FS
Master Electrical Component List
Class 2 Serial Data Lines
Power, Ground, and Serial Data Lines
Figure 3:

Class 2 Serial Data Lines
Object Number: 1441203 Size: FS
Master Electrical Component List
Power Door Serial Data
Power, Ground, and Serial Data Lines
SIR Caution for Zoning