HVAC Schematics. Buick Regal 2004

GM Service Manual Online

For 1990-2009 cars only

Makes 🢒 Buick 🢒 2004 🢒 Regal 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 HVAC Schematics

Figure 1:	Blower Controls Master Electrical Component List Air Delivery Description and Operation Compressor Controls Fuse Block - Underhood BAT 1 Fuse, Fuse Block - I/P RADIO, HVAC, RFA, CLSTR, ALDL, BCM PWR, ACCY POWER BUS, RADIO PREM. SOUND, and LTR Fuses Fuse Block - Underhood IGN 2 Fuse Fuse Block - Underhood BAT 2 Fuse, Fuse Block - I/P HI/BLWR, HAZRD, STOP LAMPS, DR/LCK, and PWR/MIR Fuses Fuse Block - Underhood BAT 1 Fuse, Fuse Block - I/P RADIO, HVAC, RFA, CLSTR, ALDL, BCM PWR, ACCY POWER BUS, RADIO PREM. SOUND, and LTR Fuses Fuse Block - I/P LOW BLWER, CRUISE, HVAC Fuses Data Link Connector (DLC) Schematics G200, Page 1 of 2
Figure 2:	Compressor Controls Master Electrical Component List Air Temperature Description and Operation Air Temperature and Sunload Sensors Blower Controls Fuse Block - I/P TRN/SIG, AIR BAG, CLSTR, and PCM, BCM U/H Fuses, Fuse Block - Underhood CRANK and IGN MAIN Relays Fuse Block - I/P TRN/SIG, AIR BAG, CLSTR, and PCM, BCM U/H Fuses, Fuse Block - Underhood CRANK and IGN MAIN Relays G100, G113, and G171 G100, G113, and G171 Data Link Connector (DLC) Schematics Fuse Block - Underhood B+ Bus G100, G113, and G171 EVAP Controls and FTP Sensor Fuel Controls - EVAP and FTP G100, G113, and G171
Figure 3:	Air Temperature and Sunload Sensors Master Electrical Component List Air Temperature Description and Operation Air Delivery/Temperature Controls Compressor Controls Air Delivery/Temperature Controls Air Delivery/Temperature Controls
Figure 4:	Air Delivery/Temperature Controls Master Electrical Component List Air Temperature Description and Operation Vacuum Solenoids Air Temperature and Sunload Sensors Fuse Block - I/P LOW BLWER, CRUISE, HVAC Fuses Fuse Block - I/P LOW BLWER, CRUISE, HVAC Fuses Air Temperature and Sunload Sensors Air Temperature and Sunload Sensors
Figure 5:	Vacuum Solenoids Master Electrical Component List Air Temperature Description and Operation Air Delivery/Temperature Controls Fuse Block - I/P LOW BLWER, CRUISE, HVAC Fuses Fuse Block - I/P LOW BLWER, CRUISE, HVAC Fuses