HVAC Schematics. Buick Park Avenue 2003

GM Service Manual Online

For 1990-2009 cars only

Makes 🢒 Buick 🢒 2003 🢒 Park Avenue 🢒 Body and Accessories 🢒 Body Control System 🢒 HVAC Schematics

Figure 1:	Blower Control Master Electrical Component List Air Delivery Description and Operation Power and Ground G201 (1 of 2)
Figure 2:	Power and Ground Master Electrical Component List Air Delivery Description and Operation Compressor Control Blower Control eft Underhood Fuse Block- BAT 1 Fuse/ Rear Fuse BLock-RDM, C/LTR, DDM, HTDST L, TRK REL Fuses/ I/P Fuse Block- PDM, SBM, and CSTR/SBM Fuses I/P Fuse Block- HVAC and A/C Fuses I/P and Front Door Backlighting Class 2 Serial Data Line G202 (2 of 4) G202 (1 of 4)
Figure 3:	Compressor Control Master Electrical Component List Air Delivery Description and Operation Actuators Power and Ground Left Underhood Fuse Block- T/SIG, A/C CLU Fuses and A/C CLU Relay Class 2 Serial Data Line 5 Volt and Low Reference G100, G101, G102 and G103
Figure 4:	Actuators Master Electrical Component List Air Delivery Description and Operation Sensors Compressor Control Left Underhood Fuse Block- IGN Fuse/ I/P Fuse Block-RUN Fuse, IGN 3 and ACCY Relay
Figure 5:	Sensors Master Electrical Component List Air Temperature Description and Operation Steering Wheel and Temperature Controls Actuators
Figure 6:	Steering Wheel Controls Master Electrical Component List Air Temperature Description and Operation Sensors Right Underhood Fuse Block- PWR WDO Circuit Breaker/Rear Fuse Block- RDO/PH, SUNRF Fuses and RAP Relay Right Underhood Fuse Block- PWR WDO Circuit Breaker/Rear Fuse Block- RDO/PH, SUNRF Fuses and RAP Relay Power, Ground, and Serial Data VIU and VCU Signals SIR Caution for Zoning SIR Caution for Zoning