GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2000 🢒 Park Avenue 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 HVAC Compressor Control Schematics
Figure 1:

IP Fuse Block
Object Number: 552506 Size: FS
HVAC Components
HVAC Compressor Controls Circuit Description
Compressor Control
Underhood Fuse Block, BAT 1 Fuse/Rear Fuse Block, RDM, C/LTR, DDM, HTDST L and TRK REL Fuses/ IP Fuse Block, PDM, SBM and CSTR/SBM Fuses
IP Fuse Block, HVAC and A/C Fuses
IP and Front Door Backlighting
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Class 2 Serial Data Line
G202, 2 of 4
G202, 1 of 4
Figure 2:

Compressor Control
Object Number: 552501 Size: FS
HVAC Components
HVAC Compressor Controls Circuit Description
IP Fuse Block
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Underhood Fuse Block, TURN, A/C Fuses and A/C Relay
Class 2 Serial Data Line
G100, G101, G102, G103
Sensors